o-Phenylenediamine
English Name: o-Phenylenediamine
Chinese alias: OPDA; two benzene ethylamine; 1,2- phenylenediamine; two adjacent amino benzene; 1,2- phenylene two amine
CAS number: 95-54-5
Molecular formula: C6H8N2
Molecular weight: 108
MDL number: MFCD00007721
EINECS number: 202-430-6
RTECS number: SS7875000
BRN number: 606074
Content: 92% 99%
Packing: 25KG/ leather bag; 40KG/ woven bag
Appearance: colorless monoclinic crystal, color becomes deep air and sunlight. Slightly soluble in cold water, more soluble in water, soluble in ethanol and chloroform.
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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