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Methyl Red Indicator ACS, Ph Eur C.I. 13020
£10.75 to £54.85
Code: Please choose option from drop down above
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| Variation ID | Product Code | Pack Size | List Price | Qty | |
|---|---|---|---|---|---|
| RRBD25700-U | 10g | £10.75 | |||
| RRBD25700-W | 25g | £17.37 | |||
| RRBD25700-X | 100g | £54.85 |
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C.I. 13020 (Acid Red 2)
Methyl red (2-(N,N-Dimethyl-4-aminophenyl)azobenzenecarboxylic acid), also called C.I. Acid Red 2, is an indicator dye that turns red in acidic solutions. It is an azo dye, and is a dark red crystalline powder. Methyl red is a pH indicator; it is red in pH under 4.4, yellow in pH over 6.2, and orange in between, with a pKa of 5.1.
Cas Number: 493-52-7
Einecs Number: 207-776-1
HS Code / Commodity Code: 29270000