Methyl orange indicator (C.I. 13025), Supelco®

Supplier: MilliporeSigma

Danger

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

1.01322.0025 1.01322.0100 1.01322.0100 1.01322.1000 1.01322.0025 1.01322.1000

EM1.01322.0025CS 4292.01 USD

CA1.01322.0100 CA1.01322.0025 EM1.01322.0025 CA1.01322.1000 EM1.01322.1000 EM1.01322.0100

Methyl orange indicator (C.I. 13025), Supelco®

Methyl orange

Formula: C₁₄H₁₄N₃NaO₃S
MW: 327.34 g/mol
Boiling Pt: ∼90 °C (1013 hPa)
Melting Pt: > 300 °C
Density: ∼1 g/cm³ (20 °C)
Flash Pt: 38 °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

Specification Test Results

Solubility	5 g/l (20 °C)
Melting Point	300 °C
Molar Mass	327.34 g/mol
Bulk Density	200 - 400 kg/m3
pH	6.5 (5 g/l, H2O, 20 °C)
Hazard Class	6.1
Hazard Class Description	Toxic Materials

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