Shenyang Joinunion Chemical Technology Co.,Ltd.

Thymolphthalein

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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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Thymolphthalein

CAS NO.: 125-20-2

Molecular formula: C28H30O4

Molecular weight: 430.54

Property : White or yellowish crystalline powder. dissolve in ethanol or diluted basic hydroxide solution, undissolved in water.

Use: acid-base indicator, chromatic spectrum analytic reagent.

Melting point : 251.0- 255.0

Range of PH: 9.0 (colorless) -10.2 (blue)

Solubility test in ethanol: passed

Solubility test in sodium hydroxide: passed

Residue on ignition (sulfate): 0.1% Max.

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