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Specifications
1) Acid Black 2 2) Chemical formula: C22H14N6Na2O9S2 3) Usage: Mainly used in dyes for ink and leather dyes
Acid Black 2 (50420) 1.CAS NO.8005-03-62.STRENGTH:100%3.APPEARANCE:BLACK POWDER/CRYSTAL
NAME | Acid Black 2 | ||
SYNONYMS | Nigrosine; C.I. 50420; Nigrosin water soluble; nigrosin cell culture tested; Nigrosin Acid black; Acid Black 5 (50420); Nigrosin | ||
CAS NO | 8005-3-6 | ||
ANALYSIS RESULT | |||
ITEM | STANDARD | RESULT | |
Appearance | Black crystal | Black | |
Moisture | 6% max | 4.50% | |
Ash Content | 17% max | 15.10% | |
Strength | 100% | 108% | |
Acid Black 2