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CAS RN: 493-52-7 | Product Number: M0421

Methyl Red


Purity: >98.0%(HPLC)
Synonyms:
  • 4-Dimethylaminoazobenzene-2'-carboxylic Acid
  • Acid Red 2
Documents:
1G
$19.00
6   4   Contact Us
25G
$71.00
6   6   18  

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Product Number M0421
Purity / Analysis Method >98.0%(HPLC)
Molecular Formula / Molecular Weight C__1__5H__1__5N__3O__2 = 269.30  
Physical State (20 deg.C) Solid
CAS RN 493-52-7
Reaxys Registry Number 750102
PubChem Substance ID 87572480
SDBS (AIST Spectral DB) 2206
Merck Index (14) 6119
Colour Index 13020
MDL Number

MFCD00002425

Specifications
Appearance Orange to Brown to Dark purple powder to crystal
Purity(HPLC) min. 98.0 area%
Absorbance min. 0.350(5 mg/L, EtOH, pH 6.6, 428.0 to 432.0 nm)
Solubility in hot EtOH(95vol%) transparency
Transition interval(pH) (purplish red)4.2 to 6.2(yellow)
Properties (reference)
Melting Point 182 °C
Maximum Absorption Wavelength 410 nm
Solubility in water Insoluble
Solubility (soluble in) Chloroform,Solution of sodium hydroxide in water,Benzene
Solubility (slightly sol. in) Ethanol
GHS
Related Laws:
RTECS# DG8960000
Transport Information:
HS Number 3204.12.5090
PubMed Literature


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