"3a,4,5,6,7,7a-Hexahydro-4,7-methanoindan-1,8-ylenediisocyanate" is a complex organic chemical compound with the molecular formula C12H14N2O2. It is a diisocyanate, which means it contains two isocyanate functional groups (-NCO). 3a,4,5,6,7,7a-Hexahydro-4,7-methanoindan-1,8-ylenediisocyanate is a derivative of indane, a saturated hydrocarbon with a fused ring structure. The hexahydro prefix indicates that six hydrogen atoms have been added to the molecule, while the methanoindan part suggests the presence of a methyl group (CH3) bridging two carbon atoms in the indane structure. The compound is used in the synthesis of polyurethanes and other polymers due to its reactive isocyanate groups, which can form urethane and urea linkages with various substrates. It is important to note that diisocyanates are highly reactive and can be hazardous, requiring proper handling and safety measures.

4747-82-4

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Basic information
1. Product Name: 3a,4,5,6,7,7a-Hexahydro-4,7-methanoindan-1,8-ylenediisocyanate
2. Synonyms: 3a,4,5,6,7,7a-Hexahydro-4,7-methanoindan-1,8-ylenediisocyanate
3. CAS NO:4747-82-4
4. Molecular Formula: C₁₂H₈N₂O₂
5. Molecular Weight: 212.22
6. EINECS: N/A
7. Product Categories: N/A
8. Mol File: 4747-82-4.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 352.04°C (rough estimate)
3. Flash Point: N/A
4. Appearance: /
5. Density: 1.2399 (rough estimate)
6. Refractive Index: 1.6000 (estimate)
7. Storage Temp.: N/A
8. Solubility: N/A
9. CAS DataBase Reference: 3a,4,5,6,7,7a-Hexahydro-4,7-methanoindan-1,8-ylenediisocyanate(CAS DataBase Reference)
10. NIST Chemistry Reference: 3a,4,5,6,7,7a-Hexahydro-4,7-methanoindan-1,8-ylenediisocyanate(4747-82-4)
11. EPA Substance Registry System: 3a,4,5,6,7,7a-Hexahydro-4,7-methanoindan-1,8-ylenediisocyanate(4747-82-4)
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: 4747-82-4(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 4747-82-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,4 and 7 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 4747-82:
(6*4)+(5*7)+(4*4)+(3*7)+(2*8)+(1*2)=114
114 % 10 = 4
So 4747-82-4 is a valid CAS Registry Number.

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