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Direct Black 19CAS: 6428-31-5

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Synonyms: 2,7-Naphthalenedisulfonicacid, 4-amino-3,6-bis[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxy-,disodium salt (9CI);C.I. Direct Black 19, disodium salt (8CI);Artificial SilkBlack G;Artificial Silk Black GN;Artificial Silk Black GR;Bali Viscose Black G;BencidalFast Black G;Benzanil Fast Black G;Benzo Fast Black G;Benzoform BlackRRA-CF;C.I. Direct Black 19;ChromeLeather Black GNA;Columbia Fast Black G;Daiwa Black 320H;Diamine Fast Black B;Direct Black 19;Direct Black L 3BG;Direct Fast BlackGU;Direct Fast Black SA;Direct Rayon Black KSG;Formal Fast Black 2B;Hispamin Fast Black CG;Kayarus Black G;Kayarus Black G Conc.;Orient Water Black 7;Phenamine Viscose Black RR;Pyrazol Fast Black GS;Rayon Black G;Rayon BlackGSN;Solar Black G;Sumilight Black G;Tertrodirect Black V;Tetrazo Deep Black GC Extra;Viscose Black GNA;Viscose Black J;Viscose Black N;Viscose Black NG;Vondacel Black VN;Water Black 100L;WaterBlack 108L;Water Black P 200; Classification: Direct Dye
EINECS: 229-208-1 Molecular Formula: C34H27N13Na2O7S2
Melting Point: Boiling Point:
Stability: Water Solubility: easily soluble in water, slightly soluble in ethanol, acetone
Refractive index: 1.817 Flash Point:
Purity: Appearance: black powder
HazardClass: Brand Name:
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Detailed Description

Index Number : C.I. Direct Black 19 (35255)

Other Name : Direct Fast Light Black G; Baycolor Black B(Dystar); Benzo Fast Black G (Dystar); Diphenyl Black 2B (CGY); Diphenyl Black G (CGY); Direct Fast Black G (CNC); Kayarus Black G (KYK); Levacell Black PN(Dystar); Pergasol Black G (CGY); Rayon Fast Black B (CAS); Shangdirect Fast Black G(SHD); Solar Black (Clariant); Solophenyl Black GN(CGY); Sumilight Black G(NSK); Tertrodirect Viscose Black GTN (CKC); Visco Black (Clariant)

Quality Specification : GB 9336-88






Black Even Powder

Insoluble in water



Up To Standard

Size Residue Content   Through 80 Mesh Sieve




PH (0.05g/250ml)

8.5 9.5




Up To Standard

Package: 25Kg in Bag/Carton/Drum

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Last Login:2012-08-13

Bonnee Zhang

Address:South of Shiliangzhuang, Gaoyi County