Thursday, March 29, 2012

What is 2-Hydroxy-5-pyridinecarboxylic acid?

2-Hydroxy-5-pyridinecarboxylic acid
CAS No.: 5006-66-6
Molecular Formula: C6H5NO3
Molecular Weight: 139.11
Chemical purity: > 98%
Carboxylic acids are amoebic acids characterized by the attendance of at atomic one carboxyl group. The accepted blueprint of a carboxylic acerbic is R-COOH, area R is some monovalent anatomic group. A carboxyl accumulation (or carboxy) is a anatomic accumulation consisting of a carbonyl (RR'C=O) and a hydroxyl (R-O-H), which has the blueprint -C(=O)OH, usually accounting as -COOH or -CO2H.
Carboxylic acids are Brønsted-Lowry acids because they are proton (H+) donors. They are the a lot of accepted blazon of amoebic acid. Among the simplest examples are formic acerbic H-COOH, which occurs in ants, and acerb acerbic CH3-COOH, which gives alkali its acerb taste. Acids with two or added carboxyl groups are alleged dicarboxylic, tricarboxylic, etc. The simplest dicarboxylic archetype is oxalic acerbic (COOH)2, which is just two affiliated carboxyls. Mellitic acerbic is an archetype of a hexacarboxylic acid. Other important accustomed examples are citric acerbic (in lemons) and tartaric acerbic (in tamarinds).
Salts and esters of carboxylic acids are alleged carboxylates. When a carboxyl accumulation is deprotonated, its conjugate base, a carboxylate anion is formed. Carboxylate ions are resonance counterbalanced and this added adherence makes carboxylic acids added acerb than alcohols. Carboxylic acids can be apparent as bargain or alkylated forms of the Lewis acerbic carbon dioxide; beneath some affairs they can be decarboxylated to crop carbon dioxide.
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What is Myristic acid?

Myristic acid, aswell alleged tetradecanoic acid, is a accepted saturated blubbery acerbic with the atomic blueprint CH3(CH2)12COOH. A myristate is a alkali or ester of myristic acid.
Myristic acerbic is called afterwards the absurd Myristica fragrans. Absurd adulate is 75% trimyristin, the triglyceride of myristic acid. Besides nutmeg, myristic acerbic is aswell begin in approach atom oil, attic oil, adulate fat and is a accessory basic of abounding added beastly fats.It is aswell begin in spermaceti, the crystallized atom of oil from the agent whale.
Myristic acid is aswell frequently added co-translationally to the penultimate, nitrogen-terminus, glycine in receptor-associated kinases to advise the film localisation of the enzyme. The myristic acerbic has a abundantly top hydrophobicity to become congenital into the blubbery acyl amount of the phospholipid bilayer of the claret film of the eukaryotic cell. In this way, myristic acerbic acts as a lipid ballast in biomembranes.
The ester isopropyl myristate is acclimated in corrective and contemporary alleviative affairs area acceptable assimilation through the derma is desired.Reduction of myristic acerbic yields myristyl aldehyde and myristyl alcohol.
Myristic acerbic is a accepted blubbery acerbic that is begin in both bulb oils and beastly fats. It is aswell accepted as tetradecanoic acid. It is so called because it is a alternation of 14 carbon molecules with a CH3 accumulation at one end and a COOH accumulation at the other.
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Tuesday, March 27, 2012

What is 3-Bromoisonicotinic acid?

3-Bromoisonicotinic acid
Molecular Formula: C6H4BrNO2
CAS No.: 13959-02-9
3-Bromoisonicotinic acid is white crystalline powder. It is used as pharmaceutical intermedaites.
Isonicotinic acid is an organic compound with a carboxyl group on a pyridine ring. It is an isomer of nicotinic acid — the carboxyl group for isonicotinic acid is on the 4-position instead of the 3-position for nicotinic acid. Isonicotinic acids is a term loosely used for derivatives of isonicotinic acid.
Nicotinic acids are derivatives of pyridine which have a carboxy group. Although the term niacin is sometimes used interchangeably with "nicotinic acid", it is more precise to only apply it to the 1-3 (meta) substituted form.
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What is Caprylic acid used for?

Caprylic acid is a natural, herbal, botanical dietary supplement commonly available in pill, tablet, or capsule form. Caprylic Acid is naturally derived from coconut oil. Caprylic Acid is a short chain fatty acid that has been known to possess anti-fungal activity for over 40 years.
Caprylic acid is the common name for the eight-carbon saturated fatty acid known by the systematic name octanoic acid. It is found naturally in the milk of various mammals, and it is a minor constituent of coconut oil and palm kernel oil. It is an oily liquid that is minimally soluble in water with a slightly unpleasant rancid-like smell and taste.
Two other acids are named after goats: caproic (C6) and capric (C10). Along with caprylic acid these total 15% in goat milk fat.
Uses
Caprylic acid is used commercially in the production of esters used in perfumery and also in the manufacture of dyes.
Caprylic acid is also used in the treatment of some bacterial infections. Due to its relatively short chain length it has no difficulty in penetrating fatty cell wall membranes, hence its effectiveness in combating certain lipid-coated bacteria, such as Staphylococcus aureus and various species of Streptococcus.
Caprylic acid is an antimicrobial pesticide used as a food contact surface sanitizer in commercial food handling establishments on dairy equipment, food processing equipment, breweries, wineries, and beverage processing plants. It is also used as disinfectant in health care facilities, schools/colleges, animal care/veterinary facilities, industrial facilities, office buildings, recreational facilities, retail and wholesale establishments, livestock premises, restaurants, and hotels/motels. In addition, caprylic acid is used as an algaecide, bactericide, and fungicide in nurseries, greenhouses, garden centers, and interiorscapes on ornamentals. Products containing caprylic acid are formulated as soluble concentrate/liquids and ready-to-use liquids.
Caprylic acid must be covalently linked to the serine residue at the 3-position of ghrelin, specifically, it must acylate the -OH group, for ghrelin to have its hunger-stimulating action on the feeding centers of the hypothalamus, though other fatty acids may have similar effects.
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Monday, March 26, 2012

Specifications of 5-Bromonicotinic acid

5-Bromonicotinic acid is white to light yellow crystalline powder. It is used as pharmaceutical intermediates.
Nicotinic acids are derivatives of pyridine which have a carboxy group.
Although the term niacin is sometimes used interchangeably with "nicotinic acid", it is more precise to only apply it to the 1-3 (meta) substituted form.
Nicotinic Acid is water soluble. This is quite important because it may be lost when you cook your food by boiling it in water! It is also important because it cannot be stored in the body and must therefore be present in your diet to replace that which is lost in urine. Don't worry about remembering the chemical structure for your "A" Level exams. It is more important for you to understand why a deficiency of this chemical causes pellagra.
Nicotinic acid is found in milk, yeast, eggs. Here is a table of average values for the Nicotinic Acid content of a variety of foods. I have always thought that the two at the bottom of the table were dead boring. (I prefer cream in my coffee.)
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Thursday, March 22, 2012

Specifications of N-Benzylacrylamide

N-Benzylacrylamide
Molecular Formula C10H11NO
Molecular Weight 161.20
CAS Registry Number 13304-62-6
Description
Synonyms: N-BENZYLACRYLAMIDE;N-Benzylacrylamide 98%
Appearance Light yellow to white crystal
Purity (%) 95 min.
mp 59-62°C
Package: 250 kg net per PE drum.
N-Benzylacrylamide is white or light yellow flake crystals. It is used as pharmaceutical intermediates.
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Wednesday, March 21, 2012

What is Ethyl stearate?


Ethyl stearate
CAS Number: 111-61-5 (unlabeled)
Molecular Weight: 317.56
Molecular Formula: C20H35D5O2
Physical Appearance: White Solid
Solubility: Soluble in Chloroform
Description
Ethyl stearate is a labeled fatty acid ester component of volatile oil from Rhododendron anthopogonoides; shows antimicrobial activity.
Ethyl stearate is a white clear liquid with the melting point 35.00 to 38.00 °C. @ 760.00 mm Hg and the boiling point 35.00 to 38.00 °C. @ 760.00 mm Hg @ 10.00 mm Hg .Its self life is 24.00 month(s) or longer if stored properly.This product should be store in cool, dry place in tightly sealed containers, protected from heat and light.并bbb
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What is Vegetable ethyl oleate?

Ethyl oleate is a fatty acid ester formed by the condensation of oleic acid and ethanol. It is a colorless to light yellow liquid. Ethyl oleate is produced by the body during ethanol intoxication.
Ethyl oleate is used as a solvent for pharmaceutical drug preparations involving lipophilic substances such as steroids. It also finds use as a lubricant and a plasticizer.
Ethyl oleate is regulated as a food additive by the Food and Drug Administration under "Food Additives Permitted for Direct Addition to Food for Human Consumption", 21CFR172.515.
Ethyl oleate has been identified as a primer pheromone in honeybees.
Ethyl oleate is one of the fatty acid ethyl esters (FAEE) that is formed in the body after ingestion of ethanol. There is a growing body of research literature that implicates FAEEs such as ethyl oleate as the toxic mediators of ethanol in the body (pancreas, liver, heart, and brain). Among the speculations is that ethyl oleate may be the toxic mediator of alcohol in fetal alcohol syndrome. The oral ingestion of ethyl oleate has been carefully studied and due to rapid degradation in the digestive tract it appears safe for oral ingestion. Ethyl oleate is not currently approved by the U.S. Food and Drug Administration for any injectable use. However, it is used by compounding pharmacies as a vehicle for intramuscular drug delivery, in some cases to prepare the daily doses of progesterone in support of pregnancy. Studies which document the safe use of ethyl oleate in pregnancy for both the mother and the fetus have never been performed.
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Tuesday, March 20, 2012

Applications of Sodium acrylate

Sodium acrylate, also known as waterlock, is a polymer with the chemical formula [-CH2-CH(COONa)-]n widely used in consumer products. It has the ability to absorb as much as 200 to 300 times its mass in water. Acrylate polymers generally are considered to possess an anionic charge. While sodium neutralized polyacrylates are the most common form used in industry, there are also other salts available including potassium, lithium and ammonium.
Applications
Sodium acrylates and acrylic chemistry have a wide variety of commercial and industrial uses that include:
Sequestering agents in detergents. (By binding hard water elements such as calcium and magnesium, the surfactants in detergents work more efficiently.)
Thickening agents
Coatings
Fake snow
Super absorbent polymers. These cross-linked acrylic polymers are referred to as "Super Absorbents" and "Water Crystals", and are used in baby diapers. Copolymer versions are used in agriculture and other specialty absorbent applications.The origins of super absorbent polymer chemistry trace back to the early 1960s when the U.S. Department of Agriculture developed the first super absorbent polymer materials. This chemical is featured in the Maximum Absorbency Garment used by NASA.
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Monday, March 19, 2012

Applications of Animal ethyl oleate

Animal ethyl oleate
Chemical Name: ETHYL OLEATE
Molecular Formula: C20H38O2
Formula Weight: 310.51
CAS No. 111-62-6
Application
Ethyl oleate can be used for making soap, lubricants, flotation agent, ointment and oil salt, and the raw material of blasting agent. Besides, can be widely applied in synthetic fiber nylon, plastic plasticizer, emulsifier, printing and dyeing auxiliaries, industrial solvents, detergent, metal mineral flotation agents, rust-proof paint, ball-point pen oil, typing paper, wax paper, flax, daily chemical industry etc.
Animal ethyl oleate is light yellow liquid with the acid value 1mgKOH/g(MAX).And the saponification value is 175-189mgKOH/g ,the iodine value is 70-82gI2/104g(MAX).This product is used in food,perfume and cosmetics oil solution.
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Specifications of Oleicacid butyl ester

Oleicacid butyl ester
Synonyms:oleic acid butyl ester; cis-octadec-9-enoic acid; butyl ester butyl oleate
Formula:C22H42O2
Molecular Weight:338.568 g/mol
Description
 Oleicacid butyl esteris light yellow transparant  liquid .It is soluble in organic solvents such as ketone,ether,benzene and chloroform but insoluble in water. It is used in plasticiser and stabilizing agent in polyvinyl chloride (PVC). Oleicacid butyl ester is heat-resisting and weather resisting.
Oleic acid is a fatty acid that occurs naturally in various animal and vegetable fats and oils. It is an odorless, colourless oil, although commercial samples may be yellowish. In chemical terms, oleic acid is classified as a monounsaturated omega-9 fatty acid.
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What is 3,3-Dimethylbutyraldehyde?

3,3-Dimethylbutyraldehyde
Molecular Formula C6H12O
Molecular Weight 100.16
CAS Registry Number 2987-16-8
Density 0.798
Boiling point 104-106 ºC
Refractive index 1.397
Flash point 51 ºF
Physical Appearance: Colorless to light yellow liquid
Description
3,3-Dimethylbutyraldehyde is an intermediate for the synthesis of 3-tert-butylpyridine.
The preparation of 3,3-dimethylbutyraldehyde in accordance with one embodiment of the invention comprises mixing 3,3-dimethyl-1,2-epoxybutane with a basic lithium salt for a period of time and at a sufficient pressure and temperature to form 3,3-Dimethylbutyraldehyde. Generally, the temperature of the reaction is held between about 0° C. to about 20° C. and the reaction pressure can be atmospheric. However, any reaction temperature and pressure may be employed that results in the production of 3,3-dimethylbutyraldehyde. The reaction time is typically between about 2 and about 24 hours.
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Thursday, March 15, 2012

Where to find Isobutyl 2,2-dimethylbutyrate?

Description:
Isobutyl 2,2-dimethylbutyrate is light yellow to colorless transparent liquid. It is used as pharmaceutical intermediates, flavor raw materials.
Methyl butyrate, also known under the systematic name methyl butanoate, is the methyl ester of butyric acid. Like most esters, it has a fruity odor, in this case resembling apples or pineapples. At room temperature, it is a colorless liquid with low solubility in water, upon which it floats to form an oily layer. Although it is flammable, it has a relatively low vapor pressure (40 mmHg at 30 °C (86 °F)), so it can be safely handled at room temperature without special safety precautions.
Methyl butyrate is present in small amounts in several plant products, especially pineapple oil. It can be produced by distillation from essential oils of vegetable origin, but is also manufactured on a small scale for use in perfumes and as a food flavoring.
Methyl butyrate has been used in combustion studies as a surrogate fuel for the larger fatty acid methyl esters found in biodiesel. However, studies have shown that, due to its short-chain length, methyl butyrate does not reproduce well the negative temperature coefficient (NTC) behaviour and early CO2 formation characteristics of real biodiesel fuels. Therefore, methyl butyrate is not a suitable surrogate fuel for biodiesel combustion studies.
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Wednesday, March 14, 2012

What is Trihydroxymethyl Propane Cocinin?

Trihydroxymethyl Propane Cocinin is ablaze chicken to chicken aqueous with the acerbic amount (mgKOH/g) ≤0.6.This artefact belongs to polyols esters. It has acceptable calefaction resistance, acceptable viscosity-temperature and accomplished lubrication. It doen't volatilize calmly. Trihydroxymethyl Propane Cocinin is usually acclimated in metal machining oil and actinic dispersant.The cocky activity are two years. Trihydroxymethyl Propane Cocinin should be stored at a dry and aerial place.
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Tuesday, March 13, 2012

Descriptions of 5-Amino-2-methylpyridine


5-Amino-2-methylpyridine
Molecular Formula: C6H8N2
CAS No.: 3430-14-6
Molecular Weight: 108.14
Melting point 95-99 ºC
Purity (%) 99.0 min.    
Moisture (%) 0.5 max
Physical Appearance: White to brown crystal
Description: 5-Amino-2-methylpyridine is white crystal. It is used as pharmaceutial intermediates.
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Monday, March 12, 2012

Descriptions of Methyl palmitate

Description of Methyl palmitate
CAS:112-39-0
Fomular:C17H34O2
Physical state:white solid
Melting point: 32.00 to 35.00 °C. @ 760.00 mm Hg
Boiling point :163.00 to 164.00 °C. @ 4.00 mm Hg
Safety in use
Category :flavor and fragrance agents
Maximised Survey-derived Daily Intakes (MSDI-EU) :2.80 (μg/capita/day)
recommendation for methyl myristate fragrance usage levels up to :3900 (μg/person/day)
recommendation for methyl myristate flavor usage levels up to :8.0000 % in the fragrance concentrate.
Methyl palmitate is used in the synthesis of cosmetics, detergent intermediates, spice, essence, lubricating materials, and so on.
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Sunday, March 11, 2012

What is Potassium formate?

Potassium formate is the potassium salt of formic acid. It is an intermediate in the formate potash process for the production of potassium. Potassium formate has also been studied as a potential environmentally-friendly deicing salt for use on roads.
Potassium formate is potassium alkali of formic acerbic and is average in formate potash action for affair the assembly requirements of potassium. Acting as a abeyant environmentally-friendly de-icing alkali for use on roads, actuality our ability lies in alms it with accomplished accomplishment superior and with the advice of the best actinic engineers.
The assorted ambit of Potassium formate offered by us is awful accepted by calm as able-bodied as all-embracing clients. With the actinic blueprint of HCO2NH4, these are aqueous crystals or granules accepting a melting point of 116°C. Owing to its affection that it is acrid in baptize and alcohol, this potassium formate is abundantly acclimated in analytic allure to accelerate abject metals from salts of the blue-blooded metals.
Use:                               
1.Widely used in completion fluid in oil field.
2.In leather industry;
3.As reducing agent in printing & dyeing industry;
4.As coagulator in cement; or used in the manufacture of carbon black.
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Thursday, March 8, 2012

What is 4-Amino-3-pyridinecarboxylic acid?

Description of 4-Amino-3-pyridinecarboxylic acid
Molecular Formula: C6H6N2O2
CAS No.: 7418-65-7
Molecular Weight 138.12
Synonyms 4-Amino-3-pyridinecarboxylic acid
Appearance White to yellow powder
Purity (%) 97 min.
4-Amino-3-pyridinecarboxylic acid is milk white to yellow powder. It is used as pharmaceutical intermediates.
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What is 2-Chloro-4-pyridinecarboxylic acid?

2-Chloro-4-pyridinecarboxylic acid
Molecular Formula: C6H4ClNO2
CAS No.: 6313-54-8
Purity: 98.50%Min
Description of 2-Chloro-4-pyridinecarboxylic acid
2-Chloro-4-pyridinecarboxylic acerbic is achromatic or white solid. 2-Chloro-4-pyridinecarboxylic acid is acclimated as biologic intermediates.
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Wednesday, March 7, 2012

What is Tallow oleic acid?

Tallow oleic acid is a monounsaturated blubbery acerbic begin by itself in abounding bulb sources and in beastly products. It is an omega-nine blubbery acid, and advised one of the convalescent sources of fat in the diet. It’s frequently acclimated as a backup for beastly fat sources that are top in saturated fat. You may acquisition assorted adulate and egg substitutes fabricated with top levels of oleic acid.
As a fat, oleic acid is one of the bigger ones to consume. As a backup for added saturated fats, it can lower absolute cholesterol akin and accession levels of high-density lipoproteins (HDLs) while blurred low-density lipoproteins (LDLs), aswell accepted as the “bad” cholesterol. Usually switching to an oil top in oleic acerbic is not difficult back there are abundant sources available.
Oleic acerbic is a blubbery acerbic that occurs by itself in assorted beastly and vegetable fats and oils. It is an odorless, colourless oil, although bartering samples may be yellowish. In actinic terms, oleic acerbic is classified as a monounsaturated omega-9 blubbery acid. It has the blueprint CH3(CH2)7CH=CH(CH2)7COOH. The appellation "oleic" agency accompanying to, or acquired from, oil or olive, the oil of which is predominantly acquired from oleic acid.
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Monday, March 5, 2012

What is Animal oleic acid?

Animal oleic acid is a monounsaturated fatty acid found naturally in many plant sources and in animal products. It is an omega-nine fatty acid, and considered one of the healthier sources of fat in the diet. It’s commonly used as a replacement for animal fat sources that are high in saturated fat. You may find various butter and egg substitutes made with high levels of oleic acid.
As a fat, Animal oleic acid is one of the better ones to consume. As a replacement for other saturated fats, it can lower total cholesterol level and raise levels of high-density lipoproteins (HDLs) while lowering low-density lipoproteins (LDLs), also known as the “bad” cholesterol. Usually switching to an oil high in oleic acid is not difficult since there are numerous sources available.
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Sunday, March 4, 2012

Specifications of 3,3-Dimethylbutyraldehyde

3,3-Dimethylbutyraldehyde
Molecular Formula: C6H12O
CAS No.: 2987-16-8
assay 95%
refractive index n20/D 1.397(lit.)
bp 104-106 °C(lit.)
density    0.798 g/mL at 25 °C(lit.)
Description
3,3-Dimethylbutyraldehyde is colorless transparent liquid. 3,3-Dimethylbutyraldehyde is used as pharmaceutical intermediates. 3,3-Dimethylbutyraldehyde is an intermediate for the synthesis of 3-tert-butylpyridine
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Thursday, March 1, 2012

Where to get 5-Bromonicotinic acid?

5-Bromonicotinic acid
Synonyms 5-Bromo-3-pyridinecarboxylic acid
Molecular Formula C6H4BrNO2
Molecular Weight 202.01
CAS Registry Number 20826-04-4
grade purum
assay ≥97.0% (T)
mp 178-180 °C(lit.), 182-185 °C
EINECS 244-065-5
Melting point 178-184 ºC
Description of 5-Bromonicotinic acid
5-Bromonicotinic acid is white to light yellow crystalline powder. It is used as pharmaceutical intermediates.
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