β-Phenoxyvinylchlorophosphine, also known as β-chlorovinyl diphenyl phosphate, is an organophosphorus compound with the chemical formula C12H10ClO2P. It is a colorless to pale yellow liquid that is soluble in organic solvents and has a molecular weight of 256.64 g/mol. β-phenoxyvinylchlorophosphine is primarily used as a flame retardant and plasticizer in various materials, including plastics, rubber, and textiles. Due to its chemical structure, β-phenoxyvinylchlorophosphine exhibits properties such as thermal stability, flame resistance, and low toxicity, making it a valuable additive in the manufacturing of fire-resistant products. However, it is essential to handle this chemical with care, as it may have potential health and environmental risks.

21722-84-9

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Basic information
1. Product Name: β-phenoxyvinylchlorophosphine
2. Synonyms: β-phenoxyvinylchlorophosphine
3. CAS NO:21722-84-9
4. Molecular Formula:
5. Molecular Weight: 221.023
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: β-phenoxyvinylchlorophosphine(CAS DataBase Reference)
10. NIST Chemistry Reference: β-phenoxyvinylchlorophosphine(21722-84-9)
11. EPA Substance Registry System: β-phenoxyvinylchlorophosphine(21722-84-9)
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: 21722-84-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 21722-84-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,1,7,2 and 2 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 21722-84:
(7*2)+(6*1)+(5*7)+(4*2)+(3*2)+(2*8)+(1*4)=89
89 % 10 = 9
So 21722-84-9 is a valid CAS Registry Number.

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