Home Categories Analytical Chemistry Chromotrope 2B
A2251012

Chromotrope 2B , 97% , 548-80-1

Synonym(s):
2-(4-Nitrophenylazo)chromotropic acid disodium salt;Acid Red 176

CAS NO.:548-80-1

Empirical Formula: C16H9N3Na2O10S2

Molecular Weight: 513.37

MDL number: MFCD00003951

EINECS: 208-959-9

Pack Size Price Stock Quantity
5G RMB175.20 In Stock
25G RMB719.20 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: 300 °C
form  Crystalline Powder
Colour Index  16575
color  Dark green to dark purple
Merck  14,2240
BRN  4109733
CAS DataBase Reference 548-80-1(CAS DataBase Reference)
EPA Substance Registry System 2,7-Naphthalenedisulfonic acid, 4,5-dihydroxy-3-[(4-nitrophenyl)azo]-, disodium salt (548-80-1)

Description and Uses

Chromotrope 2B is a chromotropic acid azo dye and a groundwater pollutant removed from the environment via photoelectrochemical mineralization.

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319
Precautionary statements  P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
WGK Germany  3
TSCA  Yes

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