o-Phenylenediamine

English Name: o-Phenylenediamine

Chinese alias: OPDA; two benzene ethylamine; 1,2- phenylenediamine; two adjacent amino benzene; 1,2- phenylene two amine

The molecular formula: C6H8N2

Molecular weight: 108

CAS number: 95-54-5

MDL number: MFCD00007721

EINECS number: 202-430-6

RTECS number: SS7875000

BRN number: 606074

Appearance: colorless monoclinic crystal, color becomes deep air and sunlight. Slightly soluble in cold water, more soluble in water, soluble in ethanol and chloroform.

Content: 92% 99%

The pH value of pH: 8.7 (1% solution)

The melting point (c): 102~104

Boiling point (c): 252~258

Relative density (water =1): 1.03

Relative vapour density (air =1): 3.7

Saturated vapor pressure (kPa): 0.33 (100 C)

The critical pressure (MPa): 5.18

The octanol / water partition coefficient: 0.15

Flash point (c): 156 (CC)

Solubility of slightly soluble in cold water

Use: the product is a dye, pesticide intermediates, auxiliaries, photosensitive materials etc.. Their own fur yellow brown M dye. Used in the manufacture of polyamide, polyurethane, fungicide carbendazim and thiophanate, VAT scarlet GG, levelling agent, antioxidant MB, also used for the preparation of the developer, surface active agent.

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