Phenolphthalein?BP/USP EINECS 201-004-7

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100 Kilogram	FOB Price: USD 28.0000

100 Kilogram

FOB Price: USD 28.0000

3,3-Bis(4-hydroxyphenyl)phthalide 2-[Bis(4-hydroxyphenyl)methyl]benzoic acid EINECS 201-004-7

Phenolphthalein BP/USP

Chemical Name	Phenolphthalein
Synonyms	2-[Bis(4-hydroxyphenyl)methyl]benzoic acid; 3,3-Bis(4-hydroxyphenyl)-1(3H)-isobenzofuranone; 3,3-Bis(4-hydroxyphenyl)phthalide
Molecular Formula	C20H14O4
Molecular Weight	318.33
CAS No.	77-09-8
EINECS	201-004-7

Appearance	White powder
Identification	positive
Color of solution	Red @ PH 10 Colorless @ PH 8
Acidity or alkalinity	Pass
Melting point	≥ 260℃
Heavy metals	≤ 10ppm
Arsenic	≤ 8ppm
Chloride	≤ 100ppm
Sulfate	≤ 200ppm
Loss on drying	≤ 0.5%
Sulfated ash (residue on ignition)	≤ 0.1%
Limit of fluoran	Pass
Related substances	≤ 0.5%
Chromatographic impurities	≤ 1.0%
Organic volatile impurities	Pass
Assay	98.0-101.0%
Packing	25kg/fiber drum
Application	pH indicator irritant laxative,for the treatment of constipation