Description
Technical Parameters
Product Brief Introduction
Product name: Direct Black 38
CAS：1937-37-7
MF: C34H25N9Na2O7S2
MW: 781.728
Product Specification
|
Item |
Specification |
|
Appearance |
Black symmetrical powder |
|
Shade (compare with standard) |
Similar~ Slight |
|
Strength (is standard) |
97~ 103cent |
|
Solubility (80℃) |
≥ 15g/L |
|
Moisture |
≤ 5.0% |
|
Insoluble Matter |
≤ 0.5% |
|
Fineness (180 μm residue on sieve) |
≤ 5.0% |
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