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CAS RN: 493-52-7 | Product Number: M0702

Methyl Red


Purity: >92.0%(HPLC)
Synonyms:
  • 4-Dimethylaminoazobenzene-2'-carboxylic Acid
  • Acid Red 2
Documents:
25G
22,00 €
1   ≥20 

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Product Number M0702
Purity / Analysis Method >92.0%(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 87572711
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. 92.0 area%
Absorbance min. 0.30(5mg/L, pH 6.6 buffer sol., 425.0 to 435.0nm)
Drying loss max. 5.0 %
Transition interval(pH) (purplish red)4.2 to 6.2(yellow)
Properties (reference)
Melting Point 182 °C
Maximum Absorption Wavelength 430(pH6.6 buffer SOl.) nm
Solubility in water Insoluble
Solubility (soluble in) Chloroform,Solution of sodium hydroxide in water,Benzene
Solubility (slightly sol. in) Ethanol
GHS
Related Laws:
EC Number 207-776-1
RTECS# DG8960000
Transport Information:
HS Number 2927000090
PubMed Literature


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