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Direct Red 83
Direct Red 83 / CAS : 15418-16-3
| Appearance | Soluble in water, the aqueous solution is magenta, and it is jujube red when added with concentrated hydrochloric acid; Add concentrated sodium hydroxide solution to produce wine red precipitation. Very soluble in ethanol, light purple. It is purple black in concentrated sulfuric acid and turns orange to reddish brown after dilution. | UN | 0 |
| HS | 32041400 | DG Class | 0 |
| Synonyms | Dicopper,Tetrasodium,4-Oxido-7-[[5-Oxido-6-[(2-Oxido-5-Sulfonatophenyl)Diazenyl]-7-Sulfonatonaphthalen-2-Yl]Carbamoylamino]-3-[(2-Oxido-5-Sulfonatophenyl)Diazenyl]Naphthalene-2-Sulfonate; C.I. Direct Red 83; Tetrasodium [Mu-[[7,7'-(Carbonyldiimino)Bis[4-Hydroxy-3-[(2-Hydroxy-5-Sulphophenyl)Azo]Naphthalene-2-Sulphonato]](8-)]]Dicuprate(4-); Direct Red 220; Cuprate(4-), .Mu.-7,7-(Carbonyldiimino)Bis4-(Hydroxy-.Kappa.O)-3-2-(Hydroxy-.Kappa.O)-5-Sulfophenylazo-.Kappa.N1-2-Naphthalenesulfonato(8-)Di-, Tetrasodium; C.I.Directred83; Cprate(4-), [ Mu -[[7,7'-(Carbonyldiimino)Bis[4-Hydroxy-3-[(2-Hydroxy-5-Sulfop; Blend Rubzne D-Rll; Rubine 3Bl; Chrome Leather Violet 2Rll | ||
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RFQ
Properties
Summary
Formula
C33H20N6Na4O17S4
Molecular Mass
992.76100
Exact Mass
991.93600
PSA
433.81000
Logp
9.37580
IUPAC
dicopper;tetrasodium;4-oxido-7-[[5-oxido-6-[(2-oxido-5-sulfonatophenyl)diazenyl]-7-sulfonatonaphthalen-2-yl]carbamoylamino]-3-[(2-oxido-5-sulfonatophenyl)diazenyl]naphthalene-2-sulfonate
SMILES
C1=CC2=C(C(=C(C=C2C=C1NC(=O)NC3=CC4=CC(=C(C(=C4C=C3)O)N=NC5=C(C=CC(=C5)S(=O)(=O)[O-])O)S(=O)(=O)[O-])S(=O)(=O)[O-])N=NC6=C(C=CC(=C6)S(=O)(=O)[O-])O)O.[Na+].[Na+].[Na+].[Na+]
Attribute classification
Matter Classification
organic
Category
Dyestuffs and Pigments > Direct Dyes
Dyestuffs and Pigments > Pigment Red
Dyestuffs and Pigments > Pigment Red
Chemical and Physical Properties
Appearance
Soluble in water, the aqueous solution is magenta, and it is jujube red when added with concentrated hydrochloric acid; Add concentrated sodium hydroxide solution to produce wine red precipitation. Very soluble in ethanol, light purple. It is purple black in concentrated sulfuric acid and turns orange to reddish brown after dilution.
Export information
HS Code
32041400
Export Rebate
0%
UN No.
0
DG-Class
0
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