Tetramethylen-bis-phenyldithiophosphinsaeure-aethylester, also known as ethyl tetramethylen-bis-phenyldithiophosphinate, is an organophosphorus compound with the chemical formula C16H18O2PS2. It is a colorless to pale yellow liquid with a mild odor and is soluble in organic solvents. Tetramethylen-bis-phenyldithiophosphinsaeure-aethylester is primarily used as a flame retardant and plasticizer in various materials, including plastics, rubber, and textiles. It functions by releasing phosphorus and sulfur during combustion, which helps to interrupt the combustion process and reduce the flammability of the material. Ethyl tetramethylen-bis-phenyldithiophosphinate is also known for its thermal stability and low toxicity, making it a preferred choice in many industrial applications.

5701-35-9

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Basic information
1. Product Name: Tetramethylen-bis-phenyldithiophosphinsaeure-aethylester
2. Synonyms:
3. CAS NO:5701-35-9
4. Molecular Formula:
5. Molecular Weight: 458.654
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: Tetramethylen-bis-phenyldithiophosphinsaeure-aethylester(CAS DataBase Reference)
10. NIST Chemistry Reference: Tetramethylen-bis-phenyldithiophosphinsaeure-aethylester(5701-35-9)
11. EPA Substance Registry System: Tetramethylen-bis-phenyldithiophosphinsaeure-aethylester(5701-35-9)
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: 5701-35-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 5701-35-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,7,0 and 1 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 5701-35:
(6*5)+(5*7)+(4*0)+(3*1)+(2*3)+(1*5)=79
79 % 10 = 9
So 5701-35-9 is a valid CAS Registry Number.

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