3,3,4,4-Tetrachloro-pyrrolidine-2,5-dione, also known as TCPD, is a chemical compound with the molecular formula C5Cl4O2. It is a white crystalline solid that is soluble in organic solvents and has a melting point of approximately 160°C. TCPD is primarily used as a flame retardant and plasticizer in various polymers, such as polyvinyl chloride (PVC) and polyurethane foams. It is known for its high thermal stability and resistance to degradation, which makes it an effective additive in preventing the spread of flames. However, due to its potential environmental and health concerns, its use has been restricted or banned in some regions. TCPD is also used in the synthesis of other chemicals and as an intermediate in the production of certain pharmaceuticals.
3875-99-8
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Basic information
- Product Name: 3,3,4,4-tetrachloro-pyrrolidine-2,5-dione
- Synonyms:
- CAS NO:3875-99-8
- Molecular Formula:
- Molecular Weight: 236.869
- 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: 3,3,4,4-tetrachloro-pyrrolidine-2,5-dione(CAS DataBase Reference)
- NIST Chemistry Reference: 3,3,4,4-tetrachloro-pyrrolidine-2,5-dione(3875-99-8)
- EPA Substance Registry System: 3,3,4,4-tetrachloro-pyrrolidine-2,5-dione(3875-99-8)
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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: 3875-99-8(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 3875-99-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,8,7 and 5 respectively; the second part has 2 digits, 9 and 9 respectively.Calculate Digit Verification of CAS Registry Number 3875-99:
(6*3)+(5*8)+(4*7)+(3*5)+(2*9)+(1*9)=128
128 % 10 = 8
So 3875-99-8 is a valid CAS Registry Number.
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3,3,4,4-tetrachloro-pyrrolidine-2,5-dione
