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Direct Grey D
Direct Grey D / CAS : 2945-96-2
| Appearance | Black powder. The water solubility is general, and its aqueous solution is purple black. Add concentrated hydrochloric acid to produce dark brown precipitation, and add concentrated alkali to produce grayish purple precipitation. Soluble in ethanol, grayish purple. It is dark blue green in concentrated sulfuric acid and produces purple brown precipitation after dilution. | UN | 0.0 |
| HS | 32041400 | DG Class | 0.0 |
| Synonyms | Direct Black 17; Benzo Black Ds; Azogen Black D; Benzo Grey Lbgv; Zogen Black D; Direct Grey 6Br; Grey D; Cidirectblack17; Sodium 6-Amino-3-[[4-[(4-Aminophenyl)Azo]-4-Methoxy-M-Tolyl]Azo]-4-Hydroxynaphthalene-2-Sulphonate; Direct Black 17 (27700); 2-Naphthalenesulfonic Acid, 6-Amino-3-4-(4-Aminophenyl)Azo-2-Methoxy-5-Methylphenylazo-4-Hydroxy-, Monosodium Salt; Direct Grey 17; 2-Naphthalenesulfonic Acid, 6-Amino-3-((4-((4-Aminophenyl)Azo)-2-Methoxy-5-Meth | ||
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Properties
Summary
Formula
C24H22N6NaO5S
Molecular Mass
528.51600
Exact Mass
528.11900
PSA
196.52000
Logp
8.00490
IUPAC
sodium;6-amino-3-[[4-[(4-aminophenyl)diazenyl]-2-methoxy-5-methylphenyl]diazenyl]-4-hydroxynaphthalene-2-sulfonate
SMILES
CC1=CC(=C(C=C1N=NC2=CC=C(C=C2)N)OC)N=NC3=C(C=C4C=CC(=CC4=C3O)N)S(=O)(=O)[O-].[Na+]
Attribute classification
Matter Classification
organic
Category
Dyestuffs and Pigments > Direct Dyes
Chemical and Physical Properties
Appearance
Black powder. The water solubility is general, and its aqueous solution is purple black. Add concentrated hydrochloric acid to produce dark brown precipitation, and add concentrated alkali to produce grayish purple precipitation. Soluble in ethanol, grayish purple. It is dark blue green in concentrated sulfuric acid and produces purple brown precipitation after dilution.
Export information
HS Code
32041400
Export Rebate
0%
UN No.
0.0
DG-Class
0.0
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