Purity: ≥ 96% 
Packing: 25Kg woven bag
Molecular weight: 238.24
CAS RN: 128-95-0;168681-27-4
EINECS RN: 204-922-6
Molecular formula: C₁₄H₁₀N₂O₂
Product name: 1,4-diamino-anthracene-10-diol
1,4-diamino-9,10-anthracenediol
1,4-diamino-9,10-dihydroxyanthracen
1,4-diamino-9,10-dihydroxyanthrachinon
Quality index Appearance: dark green needle-like crystals 
Melting point: ≥286.0℃
Assay: ≥96%
Ash: ≤1.5%
Moisture: ≤1%
Uses: As a dye intermediate, it is widely used in vat gray BG, disperse turquoise HBF and acid dyes. 
Product name: 1,4-Diaminoanthraquinone
Alias: 1,4-Diaminoanthraquinone，C.I. 61100，SolventViolet 11，Disperse Violet 1
Molecular structure:

Physical and chemical properties: dark purple needle-like crystals. Melting point 268 ℃. Soluble in ethanol, benzene and nitrobenzene, slightly soluble in water and hot acetic acid. 
Safety Description: S22: Do not breathe dust. S36/37: Wear suitable protective clothing and gloves. 
Risk Codes: R22: Harmful if swallowed.