Methyl orange, pure indicator

Supplier: Thermo Scientific

ACRO151421000EA 47.5 EUR
ACRO151421000 ACRO151425000
Methyl orange, pure indicator
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
UN: 3143
ADR: 6.1,III
Merck Index: 12,06180

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Specification Test Results

Appearance Orange Crystalline powder
Infrared spectrum Conforms
Solubility (0.1 % in water) Clear
UV Lambda max 461 to 469 nm (in 0.01N NaOH)
Visual transition interval from pH 3.2 (pink or red)to pH 4.4 (yellow-orange)

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