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14868-03-2

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14868-03-2 Usage

Uses

Bisphenol C is a congener of Bisphenol A; a well known endocrine-disrupting chemical with estrogenic activity.

Check Digit Verification of cas no

The CAS Registry Mumber 14868-03-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,4,8,6 and 8 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 14868-03:
(7*1)+(6*4)+(5*8)+(4*6)+(3*8)+(2*0)+(1*3)=122
122 % 10 = 2
So 14868-03-2 is a valid CAS Registry Number.
InChI:InChI=1/C14H10Cl2O2/c15-14(16)13(9-1-5-11(17)6-2-9)10-3-7-12(18)8-4-10/h1-8,17-18H

14868-03-2SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 10, 2017

Revision Date: Aug 10, 2017

1.Identification

1.1 GHS Product identifier

Product name Bisphenol C

1.2 Other means of identification

Product number -
Other names 4,4'-(2,2-Dichlorovinylidene)bisphenol

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:14868-03-2 SDS

14868-03-2Relevant articles and documents

METHOD FOR PRODUCING BISPHENOL, AND METHOD FOR PRODUCING POLYCARBONATE RESIN

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Paragraph 0123-0139, (2020/10/21)

PROBLEM TO BE SOLVED: To provide a method for producing bisphenol using hydrogen chloride gas or a hydrochloric acid as an acid catalyst, which produces bisphenol having good methanol dissolution color, melting color difference, thermal color tone stability and thermal decomposition stability, and produces a polycarbonate resin having a good color tone using the bisphenol. SOLUTION: A method for producing bisphenol includes a first step of condensing ketone or aldehyde and aromatic alcohol in the presence of hydrogen chloride to obtain a reaction liquid containing bisphenol, and a second step of mixing the reaction liquid and water, then phase-separating the mixture into a first organic phase containing bisphenol and a first aqueous phase, and removing the first aqueous phase to obtain the first organic phase. An acid concentration of the first aqueous phase in the second step is controlled to be 2.0 mmol-NaOH/g or more and 10.0 mmol-NaOH/g or less. SELECTED DRAWING: None COPYRIGHT: (C)2020,JPOandINPIT

Method for preparing aromatic bischloroformate compositions

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, (2008/06/13)

Bischloroformate oligomer compositions are prepared by passing phosgene into a heterogeneous aqueous-organic mixture containing at least one dihydroxyaromatic compound, with simultaneous introduction of a base at a rate to maintain a specific pH range and to produce a specific volume ratio of aqueous to organic phase. By this method, it is possible to employ a minimum amount of phosgene. The reaction may be conducted batchwise or continuously. The bischloroformate composition may be employed for the preparation of cyclic polycarbonate oligomers or linear polycarbonate, and linear polycarbonate formation may be integrated with bischloroformate composition formation in a batch or continuous process.

Cyclic monocarbonate bishaloformates

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, (2008/06/13)

Cyclic monocarbonate bischloroformates are prepared by the reaction of a carbonyl halide such as phosgene with a bridged substituted resorcinol or hydroquinone such as bis(2,4-dihydroxy-3-methylphenyl)methane or bis(2,5-dihydroxy-3,4,6-trimethylphenyl)methane in the presence of aqueous alkali metal hydroxide. The cyclic monocarbonate bischloroformates may be used for the preparation of linear or cyclic polycarbonates containing cyclic carbonate structural units, which may in turn be converted to crosslinked polycarbonates.

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