Chloro-terephthalic acid diamide, also known as CTAD, is a chemical compound used in the pulp and paper industry as a bleaching agent. It is a derivative of terephthalic acid, with a chlorine atom attached to the aromatic ring, and two amide groups attached to the carboxylic acid groups. CTAD is known for its ability to effectively bleach lignin, a complex organic polymer found in plant cell walls, without causing significant damage to the cellulose fibers in the pulp. This selective bleaching action makes CTAD a valuable component in the production of high-quality paper and pulp, as it helps to achieve a brighter and more uniform final product.
1980-31-0
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Basic information
- Product Name: chloro-terephthalic acid diamide
- Synonyms:
- CAS NO:1980-31-0
- Molecular Formula:
- Molecular Weight: 198.609
- EINECS: N/A
- Product Categories: N/A
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: chloro-terephthalic acid diamide(CAS DataBase Reference)
- NIST Chemistry Reference: chloro-terephthalic acid diamide(1980-31-0)
- EPA Substance Registry System: chloro-terephthalic acid diamide(1980-31-0)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 1980-31-0(Hazardous Substances Data)
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1980-31-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1980-31-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,8 and 0 respectively; the second part has 2 digits, 3 and 1 respectively.Calculate Digit Verification of CAS Registry Number 1980-31:
(6*1)+(5*9)+(4*8)+(3*0)+(2*3)+(1*1)=90
90 % 10 = 0
So 1980-31-0 is a valid CAS Registry Number.
1980-31-0Upstream product
1980-31-0Downstream Products
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chloro-terephthalic acid diamide
