Features:
1) CAS no.: 8005-03-6
2) Formula: C
11N
2O
2H
10
3) Color index no.: 50420
4) Synonyms:
a) Biological stain
b) Nigrosine MS crystal
c) Nigrosine powder W.S.
d) Nigrosine
e) Acid grain black
5) A class of blue to black pigments and dyes obtained from aniline
6) Three kinds: water-, alcohol- (spirit-), or oil- soluble
7) Physical property:
a) Physical state: black powder
b) Melting point: 275°C
c) NFPA ratings:
i) Health: 1
ii) Flammability: 0
iii) Reactivity: 0
d) Stability: stable under ordinary conditions
8) Application:
a) Used for dying leather, wood and textiles
b) Used for manufacturing ink and shoe polish cream
c) Used for molding compounds of phenolic, polyamide and urea resins
9) Absorption: 115±1% (570mu UV wavelength)
10) Water: 3.0% max.
11) pH: 9.0 - 10.0
12) Ash: 17.0% max.
Packing:
25kg/bag or fiber drum
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