Shanghai Nianxing Industrial Co., Ltd
China
Product Name: phenolphthalin
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: alpha,alpha-bis(4-hydroxyphenyl)-o-toluic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

81-90-3

81-90-3 structure

81-90-3 structure

Name: phenolphthalin
Chemical Name: 2-[bis(4-hydroxyphenyl)methyl]benzoic acid
CAS Number: 81-90-3
Molecular Formula: C₂₀H₁₆O₄
Molecular Weight: 320.33900
Catalog: Chemical reagent Organic reagent Phenols
Create Date: 2018-09-25 20:36:11
Modify Date: 2025-08-26 16:03:31

Name	2-[bis(4-hydroxyphenyl)methyl]benzoic acid
Synonyms	EINECS 201-384-4 4'.4''-Dioxy-triphenylmethan-carbonsaeure-(2) 2-(4,4'-dihydroxy-benzhydryl)-benzoic acid Benzoic acid,2-(bis(4-hydroxyphenyl)methyl) 2-[Bis(4-hydroxyphenyl)-methyl]benzoic acid Phenolphthalin MFCD00036135 2-(4,4'-Dihydroxy-benzhydryl)-benzoesaeure DSSTox_CID_2439 dihydrophenolphthalein

Density	1.323g/cm3
Boiling Point	548.7ºC at 760 mmHg
Melting Point	238ºC
Molecular Formula	C₂₀H₁₆O₄
Molecular Weight	320.33900
Flash Point	299.7ºC
Exact Mass	320.10500
PSA	77.76000
LogP	3.97620
Index of Refraction	1.5400 (estimate)

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Safety Phrases	24/25
RIDADR	NONH for all modes of transport

Precursor 10
77-09-8 7440-66-6 85-44-9 108-95-2
85-57-4 6079-73-8 7446-70-0 630-20-6
84-62-8 100-66-3
DownStream 10
386-17-4 7727-33-5 611-99-4 65-85-0
518-51-4 76-62-0 2321-07-5 33964-04-4
114626-60-7 28818-25-9

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