ETHYL ORANGE

CAS No.：62758-12-7

Other grades of this product :

ETHYL ORANGE Basic information

Product Name:	ETHYL ORANGE
Synonyms:	RESAZURINE REDOX INDICATOR;EthylorangeAcs98%;EthylOrangeSodium;Ethylorange Acs 98%;Ethyl Orange sodium salt, pure, 92%;Ethyl orange sodium salt, 92%, pure;Ethyl Orange sodium salt,4-(4-Diethylaminophenylazo)benzenesulfonic acid sodium salt;Ethyl Orange sodiuM salt, pure, 92% 25GR
CAS:	62758-12-7
MF:	C16H20N3NaO3S
MW:	357.4
EINECS:	263-716-4
Product Categories:	Organics;Analytical Chemistry;Indicator (pH);pH Indicators;Azo
Mol File:	62758-12-7.mol

ETHYL ORANGE Chemical Properties

Melting point	>300°C
solubility	Solubility Very soluble in water; very slightly soluble in ethanol
pka	4.34(at 25℃)
form	Powder
color	Orange
PH Range	Red (3.4) to yellow (4.8)
λmax	474nm
BRN	3821641
Major Application	Lithographic plate preparation, holographic storage, hybrid materials, inks, surface probes, diagnostic agents for diseases related with amyloid accumulation
CAS DataBase Reference	62758-12-7(CAS DataBase Reference)
EPA Substance Registry System	Benzenesulfonic acid, 4-[[4-(diethylamino)phenyl]azo]-, sodium salt (62758-12-7)

Safety Information

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36-24/25
WGK Germany	3
TSCA	Yes
HS Code	29270000

MSDS Information

Provider	Language
SigmaAldrich	English
ACROS	English
ALFA	English

ETHYL ORANGE Usage And Synthesis

Chemical Properties	orange crystalline powder
Uses	Indicator: pH 3.0 (red) to pH 4.5 (yellow)
Purification Methods	Recrystallise it twice from water. [Beilstein 16 IV 511.]

ETHYL ORANGE Preparation Products And Raw materials

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