Methyl red ACS

Supplier: Thermo Scientific Chemicals

Synonyms: 2-(4-Dimethylaminophenylazo)benzoic acid, 2-((4-(Dimethylamino)phenyl)diazenyl)benzoic acid

36682-14 36682-22

CAAA36682-14EA 64.43 CAD

CAAA36682-14 CAAA36682-22

Methyl red ACS

Methyl red

pH indicator in pH range 4.2 - 6.3

CAS No.: 493-52-7 Molecular Formula: C15H15N3O2 Formula Weight: 269.30 Physical Form: Crystalline Appearance: Dark red Melting Point: 179-182° Beilstein Reference: 750102 Merck Reference: 14,6119 MDL No.: MFCD00002425

pH indicator in pH range 4.2 - 6.3

Formula: C₁₅H₁₅N₃O₂
MW: 269.3 g/mol
Melting Pt: 179…182 °C
Density: 1.31 g/cm³ (20 °C)
Storage Temperature: Ambient

MDL Number: MFCD00002425
CAS Number: 493-52-7
EINECS: 207-776-1
Merck Index: 14,6119

Specification Test Results

Melting point (range)	179-182°
Clarity of alcohol solution	Pass test
Visual transition interval from pH	4.2 (pink) to 6.2 (yellow)

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