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6422-83-9

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  • 1,1'-(4-methyl-1,3-phenylene)bis-1H-pyrrole-2,5-dione Manufacturer Factory CAS 6422-83-9

    Cas No: 6422-83-9

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6422-83-9 Usage

Flammability and Explosibility

Notclassified

Check Digit Verification of cas no

The CAS Registry Mumber 6422-83-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,4,2 and 2 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 6422-83:
(6*6)+(5*4)+(4*2)+(3*2)+(2*8)+(1*3)=89
89 % 10 = 9
So 6422-83-9 is a valid CAS Registry Number.

6422-83-9SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 19, 2017

Revision Date: Aug 19, 2017

1.Identification

1.1 GHS Product identifier

Product name 1-[3-(2,5-dioxopyrrol-1-yl)-4-methylphenyl]pyrrole-2,5-dione

1.2 Other means of identification

Product number -
Other names Bismaleimide,2,4-toluene

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:6422-83-9 SDS

6422-83-9Synthetic route

maleic anhydride
108-31-6

maleic anhydride

4-methylbenzene-1,3-diamine
95-80-7

4-methylbenzene-1,3-diamine

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

1,1'-(4-methyl-1,3-phenylene)bis-1H-pyrrole-2,5-dione
6422-83-9

1,1'-(4-methyl-1,3-phenylene)bis-1H-pyrrole-2,5-dione

Conditions
ConditionsYield
With 1-methyl-pyrrolidin-2-one; hydroquinone In toluene

6422-83-9Downstream Products

6422-83-9Relevant articles and documents

Process for the preparation of aromatic maleimides

-

, (2008/06/13)

Aromatic maleimides can be prepared by reacting corresponding aromatic amines with maleic anhydride in the presence of a solvent mixture of halogenated hydrocarbon and a dipolar aprotic solvent, with the addition of acid and a polymerization inhibitor.

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