Methyl orange ACS, Reag. Ph. Eur.

Supplier: Merck
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Total Ratings: 0
Avg. Ratings: 0.0 out of 5

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Synonyms: 4-((4-(Dimethylamino)phenyl)diazenyl)benzenesulphonic acid, sodium saltMethyl orange sodium saltHelianthine

M-Clarity™ quality level = MQ200

1.01322.0100EA 263 GBP
1.01322.0100 1.01322.1000 1.01322.0025
Methyl orange ACS, Reag. Ph. Eur.
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

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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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