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ETHYL ORANGE

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 Structure
ETHYL ORANGE Chemical Properties
Melting point >300°C
solubility Very soluble in water; very slightly soluble in ethanol
pka4.34(at 25℃)
form Powder
color Orange
PH RangeRed (3.4) to yellow (4.8)
λmax474nm
BRN 3821641
Major ApplicationLithographic plate preparation, holographic storage, hybrid materials, inks, surface probes, diagnostic agents for diseases related with amyloid accumulation
CAS DataBase Reference62758-12-7(CAS DataBase Reference)
EPA Substance Registry SystemBenzenesulfonic 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
ProviderLanguage
SigmaAldrich English
ACROS English
ALFA English
ETHYL ORANGE Usage And Synthesis
Chemical Propertiesorange crystalline powder
UsesIndicator: pH 3.0 (red) to pH 4.5 (yellow)
Purification MethodsRecrystallise it twice from water. [Beilstein 16 IV 511.]
ETHYL ORANGE Preparation Products And Raw materials
N,N-Diethyl-1,4-phenylenediamine N-ETHYL-4-AMINOAZOBENZENE Solvent Yellow 56 Methyl Orange Benzenesulfonic acid Ethyl Orange, indicator grade, pure,Ethyl orange Benzenesulfonic acid, 4-[(4-diethylamino)phenylazo]-, potassium salt ETHYL ORANGE 4'-Aminoazobenzene-4-sulphonic acid 4-ETHYLMETHYLAMINOAZOBENZENE Solvent Yellow 2
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