1,1,2,2-Tetrafluor-1,2-bis-(4-isocyanatophenyl)-ethan, also known as 1,1,2,2-tetrafluoro-1,2-bis(4-isocyanatophenyl)ethane or simply "TDI," is an organic compound with the chemical formula C14H8F4N2O2. It is a colorless, toxic, and highly reactive liquid used primarily in the production of polyurethane foams, which are widely used in furniture, mattresses, and insulation materials. TDI is a diisocyanate, meaning it contains two isocyanate functional groups that can react with various substrates to form urethane linkages. Due to its potential health risks, including respiratory and skin irritation, as well as its classification as a hazardous substance, strict safety measures are required during its handling and use.
1691-62-9
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Basic information
- Product Name: 1,1,2,2-Tetrafluor-1,2-bis-(4-isocyanatophenyl)-ethan
- Synonyms:
- CAS NO:1691-62-9
- Molecular Formula:
- Molecular Weight: 336.245
- 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: 1,1,2,2-Tetrafluor-1,2-bis-(4-isocyanatophenyl)-ethan(CAS DataBase Reference)
- NIST Chemistry Reference: 1,1,2,2-Tetrafluor-1,2-bis-(4-isocyanatophenyl)-ethan(1691-62-9)
- EPA Substance Registry System: 1,1,2,2-Tetrafluor-1,2-bis-(4-isocyanatophenyl)-ethan(1691-62-9)
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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: 1691-62-9(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 1691-62-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,9 and 1 respectively; the second part has 2 digits, 6 and 2 respectively.Calculate Digit Verification of CAS Registry Number 1691-62:
(6*1)+(5*6)+(4*9)+(3*1)+(2*6)+(1*2)=89
89 % 10 = 9
So 1691-62-9 is a valid CAS Registry Number.
1691-62-9Upstream product
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- 5264-40-4 4-trichloromethyl-benzoic acid
- 68-36-0 1,4-bis(trichloromethyl)benzene
- 15873-47-9 1.1.2.2-Tetrachlor-1.2-bis-<4-carboxy-phenyl>-aethan
1691-62-9Downstream Products
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1,1,2,2-Tetrafluor-1,2-bis-(4-isocyanatophenyl)-ethan
