Methyl orange, pure indicator
Supplier: Thermo Fisher Scientific
Certificates
About this item
CAS Number:547-58-0
:
Formula:C₁₄H₁₄N₃NaO₃S
MDL Number:MFCD00007502
:327.34 g/mol
Merck Index:13,06127
Boiling Pt:∼90 °C (1013 hPa)
Melting Pt:>300 °C
Density:~ 1 g/cm³ (20 °C)
Flash Pt:38 °C
Storage Temperature:Ambient
EINECS:208-925-3
UN:3143
ADR:6.1,III
:GHS06
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)
Specification Test Results
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