Specification |
Product Name |
METHYL RED |
Synonyms |
[2-[4-(Dimethylamino)phenyl azo] Benzoic Acid] |
CAS NO. |
493-52-7 |
C. I. No. |
13020 |
Molecular Formula |
C15H15N3O2 |
Formula Weight |
269.31 |
Appearance |
Red Powder |
Structure |
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Tests |
Limits |
Solubility 0.1% (EtOH) |
- Red Solution |
Absorptivity 1%/1cm,
(pH 6.2) at max.430.0 nm
(pH 4.2) at max.527.0 nm |
- 700-800
- 1300-1400
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Loss On Drying at 110ºC (1hr) |
- < 3%
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REVISED: 1-1-2012 |
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