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4,4'-Diamino-2,2'-stilbenedisulfonic acid

4,4'-Diamino-2,2'-stilbenedisulfonic acid
4,4'-Diamino-2,2'-stilbenedisulfonic acid structure
CAS No.
81-11-8
Chemical Name:
4,4'-Diamino-2,2'-stilbenedisulfonic acid
Synonyms
DAS;DASD;DASDA;DSD ACID;nci-c60162;tinopalbhs;AMSOMICACID;AMSONIC ACID;flavonicacid;AKOS BBS-00004717
CBNumber:
CB0496267
Molecular Formula:
C14H14N2O6S2
Formula Weight:
370.4
MOL File:
81-11-8.mol

4,4'-Diamino-2,2'-stilbenedisulfonic acid Properties

Melting point:
300 °C
Density 
1.4732 (rough estimate)
refractive index 
1.6510 (estimate)
storage temp. 
-20°C Freezer
form 
Crystalline Powder
color 
Cream to yellow-brown
Water Solubility 
<0.1 g/100 mL at 23 ºC
Merck 
14,595
BRN 
629516
Stability:
Stable. Combustible. Incompatible with iron, strong oxidizing agents.
CAS DataBase Reference
81-11-8(CAS DataBase Reference)
EPA Substance Registry System
Benzenesulfonic acid, 2,2'-(1,2-ethenediyl) bis[5-amino-(81-11-8)
SAFETY
  • Risk and Safety Statements
Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P280a-P304+P340-P305+P351+P338-P405-P501a-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
Hazard Codes  C,Xn
Risk Statements  34-22-36/37/38-20/21/22
Safety Statements  24/25-45-36/37/39-26-22
RIDADR  UN 2583
RTECS  WJ6603000
TSCA  Yes
HS Code  29215900

4,4'-Diamino-2,2'-stilbenedisulfonic acid price More Price(5)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical D0121 4,4'-Diaminostilbene-2,2'-disulfonic Acid >94.0%(T) 81-11-8 25g $28 2018-11-22 Buy
TCI Chemical D0121 4,4'-Diaminostilbene-2,2'-disulfonic Acid >94.0%(T) 81-11-8 100g $58 2018-11-22 Buy
Alfa Aesar A16664 4,4'-Diaminostilbene-2,2'-disulfonic acid, 95% 81-11-8 100g $102 2018-11-13 Buy
Alfa Aesar A16664 4,4'-Diaminostilbene-2,2'-disulfonic acid, 95% 81-11-8 25g $32.3 2018-11-13 Buy
TCI Chemical D0121 4,4'-Diaminostilbene-2,2'-disulfonic Acid >94.0%(T) 81-11-8 500g $173 2018-11-22 Buy

4,4'-Diamino-2,2'-stilbenedisulfonic acid Chemical Properties,Uses,Production

Chemical Properties

Light Yellow Powder

Uses

In manufacture of dyes, bleaching agents.

General Description

Odorless yellowish microscopic needles or cream-colored powder. pH approximately 4.3 at 30 g/L water (suspension).

Air & Water Reactions

Insoluble in water.

Reactivity Profile

4,4'-Diamino-2,2'-stilbenedisulfonic acid is incompatible with iron. 4,4'-Diamino-2,2'-stilbenedisulfonic acid forms sparingly water-soluble, crystalline salts with many bisquaternary ammonium bases.

Fire Hazard

Flash point data for 4,4'-Diamino-2,2'-stilbenedisulfonic acid are not available; however, 4,4'-Diamino-2,2'-stilbenedisulfonic acid is probably combustible.

4,4'-Diamino-2,2'-stilbenedisulfonic acid Preparation Products And Raw materials

Raw materials

Preparation Products


4,4'-Diamino-2,2'-stilbenedisulfonic acid Suppliers

Global( 173)Suppliers
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Dalian Richfortune Chemicals Co., Ltd
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Alchem Pharmtech,Inc.
8485655694
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4,4'-Diamino-2,2'-stilbenedisulfonic acid Spectrum


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