1,4-Benzenedicarboxylic acid, polymer with 1,2-ethanediol, also known as poly(ethylene terephthalate) or PET, is a type of polyester polymer that is formed through the condensation reaction between 1,4-benzenedicarboxylic acid (terephthalic acid) and 1,2-ethanediol (ethylene glycol). This versatile polymer is widely used in various applications, including the production of plastic bottles, food packaging, textiles, and even in the manufacturing of synthetic fibers. PET is known for its excellent mechanical properties, chemical resistance, and clarity, making it a popular choice in the plastics industry.

9003-68-3

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Basic information
1. Product Name: 1,4-Benzenedicarboxylic acid, polymer with 1,2-ethanediol
2. Synonyms:
3. CAS NO:9003-68-3
4. Molecular Formula: (C8H6O4.C2H6O2)x
5. Molecular Weight: 0
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: /
5. Density: N/A
6. Refractive Index: N/A
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 1,4-Benzenedicarboxylic acid, polymer with 1,2-ethanediol(CAS DataBase Reference)
10. NIST Chemistry Reference: 1,4-Benzenedicarboxylic acid, polymer with 1,2-ethanediol(9003-68-3)
11. EPA Substance Registry System: 1,4-Benzenedicarboxylic acid, polymer with 1,2-ethanediol(9003-68-3)
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: 9003-68-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 9003-68-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 9,0,0 and 3 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 9003-68:
(6*9)+(5*0)+(4*0)+(3*3)+(2*6)+(1*8)=83
83 % 10 = 3
So 9003-68-3 is a valid CAS Registry Number.

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