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1,2,3,4-Cyclohexanetetracarboxylic 1,2:3,4-dianhydride, also known as CHDA or cyclohexane-1,2:3,4-dianhydride, is a cyclic organic compound with the molecular formula C8H4O5. It is a white crystalline solid that is widely used in the production of polyimides, high-performance polymers with exceptional thermal stability, mechanical strength, and chemical resistance. CHDA is synthesized by the dehydration of cyclohexane-1,2,3,4-tetracarboxylic acid, which can be derived from the oxidation of cyclohexanol or cyclohexanone. This dianhydride is a key intermediate in the synthesis of various polyimide resins, films, and fibers, which are used in applications such as aerospace, electronics, and automotive industries due to their superior properties.

5963-05-3

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Basic information
1. Product Name: 1,2,3,4-Cyclohexanetetracarboxylic1,2:3,4-dianhydride
2. Synonyms:
3. CAS NO:5963-05-3
4. Molecular Formula:
5. Molecular Weight:
6. EINECS: N/A
7. Product Categories: N/A
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: N/A
3. Flash Point: N/A
4. Appearance: N/A
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 1,2,3,4-Cyclohexanetetracarboxylic1,2:3,4-dianhydride(CAS DataBase Reference)
10. NIST Chemistry Reference: 1,2,3,4-Cyclohexanetetracarboxylic1,2:3,4-dianhydride(5963-05-3)
11. EPA Substance Registry System: 1,2,3,4-Cyclohexanetetracarboxylic1,2:3,4-dianhydride(5963-05-3)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany:
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 5963-05-3(Hazardous Substances Data)

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5963-05-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5963-05-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,9,6 and 3 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5963-05:
(6*5)+(5*9)+(4*6)+(3*3)+(2*0)+(1*5)=113
113 % 10 = 3
So 5963-05-3 is a valid CAS Registry Number.

5963-05-3SDS

SAFETY DATA SHEETS

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

Version: 1.0

Creation Date: Aug 15, 2017

Revision Date: Aug 15, 2017

1.Identification

1.1 GHS Product identifier

Product name	3a,4,5,5a,8a,8b-hexahydrofuro[3,4-e][2]benzofuran-1,3,6,8-tetrone

1.2 Other means of identification

Product number	-
Other names	1,2,3,4-Cyclohexanetetracarboxylic1,2:3,4-dianhydride

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:5963-05-3 SDS

5963-05-3Upstream product

5963-05-3Downstream Products

22532-06-5 (+/-)-cyclohexane-1r,2c,3t,4t-tetracarboxylic acid

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