NEM CHEMICAL CO.，LTD.

alpha-PYR

• Category :

  Organic chemicals and Derivatives

• CAS NO :

• EC NO :

• Molecular Formula :

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• Main Specifications :

• Product description :

  I. Application:
  This product is an important chemical raw material and organic solvent, and is widely used in medicine, textile, dyestuff and cosmetics industries. It is mainly used to make:
  1. medicine (neurokang); 2. nylon-4
  3. polyvinyl pyrrolidone (PNVP)
  ① Medicine ② Dyeing assistants for fabric ③ Beer clarificant ④ Cosmetics (hair jelly)

  Molecular Formula:(CH2)CONH
  Molecular Weight为:85.10
  II. Characteristics:
  Colorless and transparent, with a boiling point of 245oC and a melting point of 24.6oC. It is a liquid above 25oC, can be mix dissolved with water, alcohol, ether, chloroform, benzene, acetic acid, ethyl ester and carbon disulfide, and is difficult to dissolve in petroleum ether.

  III. Product specifications:

  Index	Specification
  Purity %	≥99.0
  Chroma	≤25
  Density g/ml	1.110-1.116
  Moisture %	≤0.20
  Refractive index	1.480-1.490
  Melting point οC	24.6

  IV. Packing:
  In galvanized iron drums of 200kg in net weight.