Home Categories Chemical Reagents 2,4-Dinitrobenzenesulfonic acid hydrate
A3133112

2,4-Dinitrobenzenesulfonic acid hydrate , 98% , 89-02-1

CAS NO.:89-02-1

Empirical Formula: C6H4N2O7S

Molecular Weight: 248.17

MDL number: MFCD00066017

EINECS: 201-876-9

Pack Size Price Stock Quantity
5G RMB156.00 In Stock
25G RMB327.20 In Stock
100G RMB791.20 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 95-98 °C(lit.)
Density  1.745 (estimate)
refractive index  1.6430 (estimate)
form  solid
pka -2.21±0.50(Predicted)
Water Solubility  Soluble in methanol (2.5% w/v), slightly soluble in water.
CAS DataBase Reference 89-02-1(CAS DataBase Reference)
EPA Substance Registry System Benzenesulfonic acid, 2,4-dinitro- (89-02-1)

Description and Uses

Reduction of 2,4-Dinitrobenzenesulfonic Acid gives the colorant intermediate 1,3-diaminobenzene-4-sulfonic acid [88-63-1] as an alternative to the sulfonation of m-phenylenediamine.

Safety

Symbol(GHS) 
GHS07,GHS05
Signal word  Warning
Hazard statements  H314-H318-H315-H319
Precautionary statements  P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P260h-P301+P330+P331-P303+P361+P353-P305+P351+P338-P405-P501a
Hazard Codes  C
Risk Statements  34
Safety Statements  26-36/37/39-45
RIDADR  UN 1759 8/PG 2
WGK Germany  3
RTECS  DB6500000
TSCA  Yes
HazardClass  8
PackingGroup  III

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