Methyl orange ACS

Supplier: Thermo Scientific Chemicals
Danger

Synonyms: 4-((4-(Dimethylamino)phenyl)diazenyl)benzenesulphonic acid, sodium saltMethyl orange sodium saltHelianthine4-((4-(Dimethylamino)phenyl)diazenyl)benzenesulfonic acid, sodium salt

41466-0100 41466-0250 41466-1000
TS41466-0250EA 45.2 USD
TS41466-0250 TS41466-1000 TS41466-0100
Methyl orange ACS
Methyl orange
Formula: C₁₄H₁₄N₃NaO₃S
MW: 327.34 g/mol
Boiling Pt: ∼90 °C (1013 hPa)
Melting Pt: >300 °C
Storage Temperature: Ambient
MDL Number: MFCD00007502
CAS Number: 547-58-0
EINECS: 208-925-3
UN: 3143
ADR: 6.1,III
Merck Index: 13,06127

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Specification Test Results

Appearance Orange Crystalline powder
Infrared spectrum Conforms
Visual transition interval From pH 3.2 (pink or red) to pH 4.4 (yellow)
Clarity of solution Passes test
Stabilizer 100 to 400 ppm MEHQ

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