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R1212/1213 No. 90 South Jingxing St. Tiexi Dist., shenyang, liaoning
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Methyl red                                     CAS NO.:*******7 |
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Synonyms: p - Dimethylaminoazobenzene - carboxylic acid |
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Molecular formula:C*5H*5O2N3 |
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Molecular weight: **9.*0 |
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Property: shiny purple crystal. soluble in ethanol and acetic acid,insoluble in water. |
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Use: acid-base indicator. Adsorption indicator. |
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Storage require:sealed . |
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Range of melting point : **2.0 - **2.0 (2C spacing) |
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Range of PH: 4.2 (red)*6.2 (yellow) |
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Solubility test in ethanol: passed |
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Residue on ignition (sulfate): 0.2% Max. |
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Oxidated test (bromine): passed |
