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Product Name:2 - nicotinic acid chloride

Time:2019-6-28 17:30:08

Product Details

CAS no. : 2942-59-8
Molecular weight: 157.56
Molecular formula: C6H4CINO2
Density: relative density (water =1) 1.63
Melting point: 176-180 ℃
Solubility: white clean powder, insoluble in cold water, slightly soluble in hot water.

Physical and chemical properties
This product is colorless solid, m.p.>175C(decomposition), insoluble in water, soluble in benzene, toluene and other organic solvents.

Product use
This product is an important intermediate in the manufacture of organophosphorus pesticides, such as pinus borer, parathion, thiathion, methamidophos, etc.
1, three oxygen, sulfur, phosphorus mainly as organophosphorus pesticides are widely used in production of raw materials, used in the synthesis of important phosphorus intermediate "chloride" and "the second chloride", then can get a large number of glucosinolates phosphate ester pesticides (e.g., parathion, phoxim, chlorpyrifos, diazinon, etc.) and sulphur phosphorous amides pesticides (e.g. amine sulphur phosphorous, methyl isopropyl willow phosphorus and phosphorus amine grass, etc.);
2, mainly used as raw materials for the production of organophosphorus pesticides, such as methyl parathion, -methyl thiophosphanyl chloride, diethyl thiophosphanyl chloride, methamidophos, thiophosphorus, gramineus pine, etc.

Toxicity and protection
This product is decomposed into phosphoric acid and hydrogen chloride when exposed to water vapor. Has the stimulation corrosion effect to the skin, the mucous membrane. The toxicity is similar to phosgene. Acute poisoning: short-term inhalation of a large number of steam, can cause upper respiratory symptoms, pharyngitis, bronchitis; Severe cases may include laryngeal edema suffocation, pneumonia, pulmonary edema, cyanosis, and heart failure. Anemia, liver damage, proteinuria may also occur. Ingestion causes digestive tract burns. Eye contact causes burns. Prolonged exposure to low concentrations may cause irritation of the mouth, eyes and respiratory tract.

Packaging storage and transportation
Keep airtight, store in cool and ventilated place. Stay away from fire sources, oxidants, acids and bases.

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