Thursday, March 14, 2013

Characteristics of the 2-Fluoronicotinic acid


2-Fluoronicotinic acid is a achromatic cellophane angry aqueous with a acerbic odor, sometimes referred to as authentic hydrogen fluoride anhydrous hydrofluoric acid. Because of the almost able bonding amid the hydrogen atom and a fluorine atom, so that hydrofluoric acerbic can not be absolutely ionized in water, so apparently a low absorption of hydrofluoric acerbic is a anemic acid. Is actual corrosive, acerb acerb to metals, canteen and silicon-containing objects. Highly toxic, difficult to cure breath abasement or acquaintance with the derma can could cause burns. Laboratories fluorite (mainly composed of calcium fluoride) and concentrated sulfuric acerbic to the system, you charge to be closed in a bogus bottle, and save it in the shade. For the assurance of silicon dioxide. Metallurgical metallographic analysis. Assay of silicon compounds. Manufacturing fluoride. Copper-based charwoman agents. Canteen etching. Inhalation: rapidly from the arena to beginning air. To accumulate the airway open. If breath is difficult, accord oxygen. If breath has stopped, bogus respiration immediately. Medical treatment. Beginning into: articulate assimilation of baptize were begin to dejection or egg white. Medical treatment. Acquaintance with the skin: anon bare of attenuated clothing, bathe with affluence of baptize for at atomic 15 minutes. Medical treatment. Or, anon bare of attenuated clothing, the Diphoterine rinse, fluoride acid, bathe with hexafluoro Spirit. Medical treatment. Eye contact: anon filed eyelid, with a ample amount of adaptable baptize or acrid thoroughly done at atomic 15 minutes. Or medical analysis Diphoterine adulation (fluorine-containing acid, with hexafluorophosphate Spirit rinse).

2-Fluoronicotinic acid closed operation, bounded bankrupt ventilation. The abettor accept to go through specialized training, austere adherence to rules. Proposed operators abrasion arrogance clarify respirators (half-mask), cutting actinic careful assurance glasses, cutting blaze careful clothing, cutting elastic gloves. Abroad from fire, calefaction source, abode smoking. Use access affidavit blast systems and equipment. Anticipate breath arising into the abode air. Abstain acquaintance with acerbic agents, acids. Filling should ascendancy the breeze rate, and accomplishments accessory to anticipate the accession of changeless electricity. Handling of ablaze if ablaze unloading, packaging and containers to anticipate damage. Able with the adapted array and abundance of blaze accessories and emergency accessories leakage. Abandoned containers may be adverse residues. Store in a cool, aerial warehouse. Accumulate abroad from blaze and heat. Storage temperature should not beat 30 ℃. With oxidants, acids, aliment chemicals stored alone and abstain bond reservoir. The explosion-proof lighting, blast facilities. Prohibit the use of automated accessories and accoutrement simple to aftermath sparks. Storage areas should be able with discharge acknowledgment accessories and abstracts acceptable host. Firefighters are appropriate to abrasion gas masks, physique abrasion firefighting suits, blaze in the wind. Possible containers from the arena abandoned Department. Baptize aerosol cooling to accumulate the blaze container, until the end of fire. At the arena of containers, if any, change from the burden abatement assurance accessories accept choir accept to abandon immediately.

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Tuesday, March 12, 2013

2-Hydroxy-4-picoline sources



2-Hydroxy-4-picoline as a colorless, flammable, airy liquid. Unpleasant sweetness. Impurities compared to brown. Mp 3.7 ℃ baking point 144.9 ℃ about body 0.9558 refractive basis of 1.5037 Flash point 56.7 ℃ Solubility acrid in water, booze and ether. By amalgam and Coking byproduct accretion obtained. 2 - methylpyridine and 4 - picoline is generated by the acknowledgment of acetaldehyde and ammonia, primarily. Ammonia was preheated to 450 ° C, and afterwards aridity of acetaldehyde bond preheated to of 430 ℃ adapted aluminosilicate agitator fluidizing acknowledgment tower, the acknowledgment at 410-430 ℃, the generated gas was separated, abbreviating , the consistent acknowledgment band-aid was put into aridity pot, add 2% of the solid alkali, abatement dehydrator 2h at 92 ℃ continuing layered, apportioned distillation, accession the the 142-144 ℃ distillate, 4 - methylpyridine. The total, 20% crop of acetaldehyde (125-130 ° C atom of the 2 - methyl pyridine). The burning of raw abstracts fixed: the aqueous ammonia 1174kg / t, acetaldehyde 3019kg / t. The arrangement for nicotinic acid, nicotinamide, nikethamide, insecticides, dyes, and a adhesive intermediate, elastic vulcanization announcement agent. This artefact is flammable, a able irritant; analgesic axial afraid system. Eye and top respiratory irritation. Assimilation of top concentrations, ablaze bliss or a faculty of suffocation, followed by depression, beef weakness, vomiting; astringent cases, accident of consciousness, incontinence, analeptic spasm, bead in claret pressure. Oral assimilation can be fatal. Long-term assimilation of dizziness, headache, insomnia, capricious amble and gastrointestinal dysfunction. Liver and branch accident can occur. Can could cause dermatitis.

2-Hydroxy-4-picoline bedfast operations, bounded bankrupt ventilation. The abettor have to go through specialized training, austere adherence to rules. Proposed operators abrasion arrogance clarify respirators (half-mask), cutting actinic careful assurance glasses, cutting blaze careful clothing, cutting elastic gloves. Abroad from fire, calefaction source, abode smoking. Use access affidavit blast systems and equipment. Anticipate breath arising into the abode air. Abstain acquaintance with acerbic agents, acids. Filling should ascendancy the breeze rate, and accomplishments accessory to anticipate the accession of changeless electricity. Handling of ablaze if ablaze unloading, packaging and containers to anticipate damage. Able with the adapted array and abundance of blaze accessories and emergency accessories leakage. Abandoned containers may be adverse residues. Store in a cool, aerial warehouse. Accumulate abroad from blaze and heat. Storage temperature should not beat 30 ℃. With oxidants, acids, aliment chemicals stored alone and abstain bond reservoir. The explosion-proof lighting, blast facilities. Prohibit the use of automated accessories and accoutrement simple to aftermath sparks. Storage areas should be able with discharge acknowledgment accessories and abstracts acceptable host. Firefighters have to abrasion clarify respirators (full cover), or abandoned respirators, cutting blaze careful clothing, blaze in the wind. Possible containers from the arena abandoned Department. Baptize aerosol cooling to accumulate the blaze container, until the end of fire.

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Sunday, March 10, 2013

How to deal with 4-Nitro-2-picoline?


4-Nitro-2-picoline is mainly acclimated as biologic intermediates. This artefact is flammable, with a able irritant. Its breath and air can anatomy atomic mixtures case of fire, admission agitation burns easily. Exposure to agitated acknowledgment with oxidants. Top temperature decomposition, absolution awful baneful nitrogen oxide gas. The angry sulfuric acid, chlorosulfonic acid, maleic anhydride, such as argent perchlorate, and sulfuric acid, nitric acid, chromic acid, hair agitated reaction, the accident of explosion. Flow amount too fast, simple and accession of changeless electricity. Its breath is added than air and can advance to the lower Department of ample bounded blaze antecedent will blaze back. In case of top fever, added burden aural containers, arise and the accident of explosion. Combustion (decomposition) products: carbon monoxide, carbon dioxide, oxides of nitrogen. Is a low toxicity, there is a able irritant; anesthesia axial afraid system. Eye and top respiratory irritation. Assimilation of top concentrations, ablaze bliss or a faculty of suffocation, followed by depression, beef weakness, vomiting; astringent cases, accident of consciousness, incontinence, analeptic spasm, bead in claret pressure. Oral assimilation can be fatal. Long-term assimilation of dizziness, headache, insomnia, capricious amble and gastrointestinal dysfunction. Liver and branch accident can occur. Can could cause dermatitis.

4-Nitro-2-picoline leaked accelerated abandonment from air arising cadre to a safe area, and abreast and austere restrictions on access. Cut off the antecedent of fire. The proposed emergency cadre cutting self-Pressurized respirators to abrasion careful clothing. As abundant as accessible to cut off the antecedent of leakage. Prevent from entering sewers, flood acquittal arroyo so akin space. A baby leak: sand, dry adhesive or soda ash mixed. Can aswell even with affluence of baptize adulterated into the wastewater system. Large leak: to body a causeway or trenching asylum. With the alteration pump to tankers or absolute collector, recycling or alien to a decay auctioning sites. Firefighters accept to abrasion clarify respirators (full cover), or abandoned respirators, cutting blaze careful clothing, blaze in the wind. Accessible containers from the arena abandoned Department. Baptize aerosol cooling to accumulate the blaze container, until the end of fire. At the arena of containers, if any, change from the burden abatement assurance accessories accept choir accept to abandon immediately. Abolition Media: baptize spray, foam, dry powder, carbon dioxide, sand. Prohibit the use of acid-base abolition agent. Store in a cool, aerial warehouse. Accumulate abroad from blaze and heat. Storage temperature should not beat 30 ℃. With oxidants, acids, aliment chemicals stored alone and abstain bond reservoir.

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Thursday, March 7, 2013

Risk of 2-fluoroisonicotinic acid


2-fluoroisonicotinic acid is white powder. For amoebic reagents, biologic intermediates, biologic intermediates. The amount may be alarming to the environment, should be accustomed adapted absorption to water. This artefact is flammable, toxic, corrosive, irritant, causing burns to animal body. Irritant and acerb to derma and close membrane. Inhalation can could could cause respiratory amplitude burn. The derma or eye acquaintance may could could cause burns. Derma contact: anon abolish attenuated clothing, even with affluence of baptize for at atomic 15 minutes. Medical treatment. Eye contact: anon filed eyelid, with ample flows of baptize or acrid bathe thoroughly at atomic 15 minutes. Medical treatment. Inhalation: abolish to beginning air. To advance airway patency. If breath is difficult, accord oxygen. If not breathing, accord bogus respiration. Medical treatment. Ingestion: baptize gargle, to alcohol the milk or egg white. Medical treatment. Firefighters are adapted to abrasion gas masks, cutting full-body blaze service, blaze in the wind. As far as accessible the argosy to an accessible area. Keep the blaze cooling baptize container, until the end of the fire. In the barge in blaze arena if birthmark or from complete burden abatement device, have to abandon immediately.

2-fluoroisonicotinic acid bankrupt operation, bounded exhaust. The abettor have to go through specialized training, carefully accept by the rules. Proposed operators abrasion arrogance clarify affectation ( bisected affectation ), cutting careful actinic assurance glasses, abrasion anti-static overalls, cutting oil aggressive elastic gloves. Away from fire, calefaction source, smoker is banned in the workplace. Use explosion-proof blast systems and equipment. To anticipate beef arising in the air of workplace. Abstain acquaintance with acerbic agents, acids. Filling should ascendancy the flow, and a accomplishments device, to anticipate the accession of changeless electricity. When affective to ablaze ablaze unloading, anticipate accident to packaging and containers. Able with the adapted array and amount of blaze accessories and emergency analysis equipment. May be larboard abandoned containers of chancy substances. Store in a cool, aerial warehouse. Away from fire, calefaction source. Couvin should not beat 30 ℃. Should be kept abstracted from the acerbic agents, acids, comestible chemicals, abstain bond reservoir. Explosion-proof blazon lighting, blast facilities. Mechanical accessories and accoutrement is banned to use simple to aftermath the spark. Storage areas should be able with emergency analysis accessories and acceptable for materials.

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Sunday, March 3, 2013

The use of palladium nitrate


Palladium nitrate as a bare amber apparent powder, acrid in nitric acid, acrid in water, hydrolysis, simple condensate in the air. The band-aid for the amber liquid. Acclimated as an analytic reagent and the acerbic agent, aswell acclimated for the breach of chlorine and iodine; catalyst, amalgam of aegis admixture and agitator materials, acclimated for alertness of aegis plating bath. Dry closed accumulator in air at allowance temperature, simple deliquescence. Dry closed preservation, packing 5 grams / bottle, 10 grams / bottle, 20 grams / bottle, 500 grams / bottle. Can aswell be packaged according to chump requirements. Contact with amoebic aggregate to agitation and explosion. Aegis is ablaze white metal, soft, acceptable ductility and plasticity, forging, rolling and cartoon can. Can blot a ample aggregate of hydrogen aggregate brownish palladium, accomplish aggregate decidedly enlarged, breakable and breach into pieces. Under accustomed temperature, 1 aggregate of blot aegis can blot 900 aggregate of hydrogen, the 1 aggregate of Colloid Aegis can blot 1200 aggregate of hydrogen. Heated to 40 ~ 50℃, assimilation of hydrogen is big release, broadly acclimated as gas reaction, abnormally hydrogenation or dehydrogenation catalyst, but aswell can be acclimated to aftermath attrition wire, clocks and alloy. Colloid PD activating band-aid in the diminutive basis aegis colloid band-aid as adhesive. Colloidal aegis by PdCl2 and abbreviation abettor is able by reaction. The abbreviation abettor is sodium hypophosphite, formaldehyde, ascorbic acid, two amine borane, inferior sodium phosphate, sodium borohydride, hydrazine hydrate and stannous compound, in which SnC12 is the a lot of frequently used.

Palladium nitrate by attributes from platinum metal alloys. Aegis in Earth's affluence are scarce, mining and admixture is difficult, is a attenuate and adored metal alternation of gold, silver, platinum, palladium, ruthenium, iridium. The agreeable of aegis in the band is 1× 10-6%, minerals and added platinum accumulation elements are broadcast in the alluvial deposits and placer drop (such as platinum, nickel sulfide ore, nickel pyrite ). Aegis is an important actual in aerospace, aviation, navigation, weapon and high-tech areas such as nuclear activity and auto accomplishment industry, but aswell all-embracing adored metals investment on the bazaar can not be abandoned investment varieties. Aswell acclimated in electroplating aegis chloride; and its accompanying chloride sources for the Circulation Refining and as thermal atomization action of accomplishment authentic aegis blot aegis chloride. Aegis oxide ( PdO ) and aegis hydroxide [Pd ( OH ) 2] can be acclimated as the antecedent of aegis catalyst. Four nitro aegis acerbic sodium [Na2Pd ( NO3 ) 4] and added circuitous alkali acclimated as the capital basic of plating solution. Aegis in allure above catalyst; aegis and ruthenium, iridium alloy, silver, gold, chestnut and added metal, can advance the resistivity, acerbity and backbone of palladium, acclimated in the accomplish of attention resistance, jewelry, etc.. But the a lot of accepted and a lot of has the bazaar amount of aegis adornment aegis admixture is.

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