Bis-(4-isocyanato-2-methyl-phenyl)-methane, also known as Toluene diisocyanate (TDI), is an organic compound widely used in the production of polyurethane foams, elastomers, and coatings. It is a colorless, toxic liquid with a strong, pungent odor and has the chemical formula C15H10N2O2. TDI is formed by the reaction of toluene with phosgene, resulting in a diisocyanate compound with two isocyanate functional groups. Due to its high reactivity, it is essential to handle TDI with caution, as it can cause severe health issues, including respiratory problems and skin irritation. The compound is also a significant contributor to the formation of ozone and has environmental concerns.
7329-65-9
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Basic information
- Product Name: bis-(4-isocyanato-2-methyl-phenyl)-methane
- Synonyms:
- CAS NO:7329-65-9
- Molecular Formula:
- Molecular Weight: 278.31
- 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: bis-(4-isocyanato-2-methyl-phenyl)-methane(CAS DataBase Reference)
- NIST Chemistry Reference: bis-(4-isocyanato-2-methyl-phenyl)-methane(7329-65-9)
- EPA Substance Registry System: bis-(4-isocyanato-2-methyl-phenyl)-methane(7329-65-9)
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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: 7329-65-9(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 7329-65-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,3,2 and 9 respectively; the second part has 2 digits, 6 and 5 respectively.Calculate Digit Verification of CAS Registry Number 7329-65:
(6*7)+(5*3)+(4*2)+(3*9)+(2*6)+(1*5)=109
109 % 10 = 9
So 7329-65-9 is a valid CAS Registry Number.
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bis-(4-isocyanato-2-methyl-phenyl)-methane
