1,3-difluoro-1,1,3,3-tetramethyldisiloxane is a chemical compound with the molecular formula C6H16F2OSi2. It is a colorless liquid at room temperature and is characterized by its unique structure, which consists of a disiloxane backbone with two methyl groups attached to each silicon atom and a fluorine atom attached to each carbon atom in the 1 and 3 positions. 1,3-difluoro-1,1,3,3-tetramethyldisiloxane is primarily used as a precursor in the synthesis of various organosilicon compounds and as a reagent in the production of specialty chemicals. Due to its stability and unique properties, it has potential applications in the fields of materials science, electronics, and pharmaceuticals.

674-09-9

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Basic information
1. Product Name: 1,3-difluoro-1,1,3,3-tetramethyldisiloxane
2. Synonyms: 1,3-difluoro-1,1,3,3-tetramethyldisiloxane
3. CAS NO:674-09-9
4. Molecular Formula:
5. Molecular Weight: 170.306
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: 1,3-difluoro-1,1,3,3-tetramethyldisiloxane(CAS DataBase Reference)
10. NIST Chemistry Reference: 1,3-difluoro-1,1,3,3-tetramethyldisiloxane(674-09-9)
11. EPA Substance Registry System: 1,3-difluoro-1,1,3,3-tetramethyldisiloxane(674-09-9)
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: 674-09-9(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 674-09-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,7 and 4 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 674-09:
(5*6)+(4*7)+(3*4)+(2*0)+(1*9)=79
79 % 10 = 9
So 674-09-9 is a valid CAS Registry Number.

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