Trimethyl-1,6-diisocyanatohexane, also known as TDI, is a colorless to pale yellow liquid chemical compound with the formula C9H12N2O2. It is a diisocyanate, which means it contains two isocyanate functional groups (-NCO). TDI is primarily used in the production of polyurethane foams, elastomers, and coatings due to its ability to react with polyols to form urethane linkages. It is also a key component in the manufacture of flexible and rigid foams used in furniture, bedding, and insulation. However, it is important to note that TDI is a hazardous substance and exposure to it can cause respiratory and skin irritation, as well as other health issues. Proper safety measures and handling procedures should be followed when working with this chemical.

34992-02-4

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Basic information
1. Product Name: TRIMETHYL-1 6-DIISOCYANATOHEXANE 99
2. Synonyms: TRIMETHYL-1 6-DIISOCYANATOHEXANE 99;trimethyl-1,6-diisocyanatohexane, mixture of;Trimethyl-1,6-diisocyanatohexane,mixture of 2,2,4- and 2,4,4-isomers;TRIMETHYL-1,6-DIISOCYANATOHEXANE, 99%, M IXTURE OF 2,2,4-AND 2,4,4-ISOMERS
3. CAS NO:34992-02-4
4. Molecular Formula: C11H18N2O2
5. Molecular Weight: 210.27282
6. EINECS: N/A
7. Product Categories: Isocyanate Monomers;Monomers;Polymer Science
8. Mol File: 34992-02-4.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 149 °C(lit.)
3. Flash Point: >230 °F
4. Appearance: /
5. Density: 1.012 g/mL at 25 °C(lit.)
6. Refractive Index: n20/D 1.462(lit.)
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: TRIMETHYL-1 6-DIISOCYANATOHEXANE 99(CAS DataBase Reference)
10. NIST Chemistry Reference: TRIMETHYL-1 6-DIISOCYANATOHEXANE 99(34992-02-4)
11. EPA Substance Registry System: TRIMETHYL-1 6-DIISOCYANATOHEXANE 99(34992-02-4)
Safety Data
1. Hazard Codes: T+
2. Statements: 22-26-42/43
3. Safety Statements: 23-26-36/37/39-45
4. RIDADR: UN 2328 6.1/PG 3
5. WGK Germany: 3
6. RTECS:
7. HazardClass: 6.1(b)
8. PackingGroup: III
9. Hazardous Substances Data: 34992-02-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 34992-02-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,9,9 and 2 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 34992-02:
(7*3)+(6*4)+(5*9)+(4*9)+(3*2)+(2*0)+(1*2)=134
134 % 10 = 4
So 34992-02-4 is a valid CAS Registry Number.

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