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Isophenolphthalin, also known as 4,4'-isopropylidene diphenol or 4,4'-(1-methylethylidene)bisphenol, is an organic compound with the chemical formula C15H16O2. It is a white crystalline solid that is derived from the condensation of two phenol molecules with formaldehyde, resulting in the formation of a methylene bridge between the two aromatic rings. Isophenolphthalin is primarily used as a chemical intermediate in the production of various resins, plastics, and adhesives, particularly in the synthesis of phenolic resins. It is also employed as a stabilizer for chlorinated organic compounds and as a reagent in analytical chemistry. Due to its chemical structure, isophenolphthalin exhibits low solubility in water but is soluble in organic solvents such as ethanol and acetone.

4389-27-9

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4389-27-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4389-27-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,3,8 and 9 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 4389-27:
(6*4)+(5*3)+(4*8)+(3*9)+(2*2)+(1*7)=109
109 % 10 = 9
So 4389-27-9 is a valid CAS Registry Number.

4389-27-9SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name 2-(2',4''-dihydroxybenzhydryl)benzoic acid

1.2 Other means of identification

Product number -
Other names Isophenolphthalin

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:4389-27-9 SDS

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