Shenyang Joinunion Chemical Technology Co.,Ltd.

Methyl Red

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Shenyang Joinunion Chemical Technology Co.,Ltd.
[China]

Address: Zhongcheng Int'l Dept. R1212-1213 No. 90 South Jingxing St. Tiexi Dist. Shenyang Shenyang Liaoning

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Methyl red

CAS NO.: 493-52-7

Synonyms: p - Dimethylaminoazobenzene - carboxylic acid

Molecular formula: C15H15O2N3

Molecular weight: 269.30

Property: shiny purple crystal. dissolve in ethanol and acetic acid, undissolved in water.

Use: acid-base indicator. Adsorption indicator.

Storage require:sealed .

Range of melting point : 172.0 - 182.0 (2C spacing)

Range of PH: 4.2 (red)-6.2 (yellow)

Solubility test in ethanol: passed

Residue on ignition (sulfate): 0.2% Max.

Oxidated test (bromine): passed

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