Home Categories Biochemical Engineering Sulfo orange
A4301120

Sulfo orange , 0.04% , 547-57-9

Synonym(s):
4-([2,4-Dihydroxyphenyl]azo)benzenesulfonic acid sodium salt;Acid Orange 6;Chrysoin;Resorcinol yellow

CAS NO.:547-57-9

Empirical Formula: C12H11N2NaO5S

Molecular Weight: 318.28

MDL number: MFCD00007499

EINECS: 208-924-8

Pack Size Price Stock Quantity
500ml RMB247.20 In Stock
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Update time: 2022-07-08

PRODUCT Properties

Melting point: >300°C
storage temp.  Room Temperature
solubility  Solubility Soluble in water, ethanol
pka 11.5, 11.9(at 25℃)
Colour Index  14270
form  Powder
color  Rust to dark brown
PH Range Yellow (11.0) to red (12.7)
PH 11-13
Odor Odorless
Water Solubility  Soluble in water and alcohol
λmax 490nm
Merck  14,9775
BRN  4173410
Major Application Photoresists, image forming materials, nonlinear optical (NLO) materials, etching, photography, inks, markers, lithium battery, leather dyes, polishing stainless steel, concrete, automobile radiators, textiles, cleaners, hair dyes, food storage, cosmetics, immunomodulating agents, disinfectant, antihistaminic agent, antimicrobial agent, nucleic acids
LogP 1.673 (est)

Description and Uses

Sodium (E)-4-(2, 4-Dihydroxyphenyl)diazenyl)benzenesulfonate is a food and an azo dye. Dyes and metabolites, Environmental Testing

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H315-H319
Precautionary statements  P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313
Hazard Codes  Xi
Risk Statements  36/37/38-41-37/38-22
Safety Statements  26-36-36/37/39
WGK Germany  1
RTECS  DB5035000
TSCA  Yes
HS Code  32041200

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