Trimethyl-(dimethylstibino-methylen)-phosphoran is a complex organophosphorus compound with the chemical formula (CH3)3P=Sb(CH3)2. It is characterized by a phosphorus atom bonded to three methyl groups and a dimethylstibino-methylene group, which consists of an antimony atom bonded to two methyl groups and a double bond with the phosphorus atom. Trimethyl-(dimethylstibino-methylen)-phosphoran is of interest in organophosphorus chemistry due to its unique structure and potential applications in various chemical reactions. It is typically synthesized through the reaction of trimethylphosphine with dimethylstibine, and its properties, such as reactivity and stability, are influenced by the presence of the antimony and phosphorus atoms.

20491-34-3

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Basic information
1. Product Name: Trimethyl-(dimethylstibino-methylen)-phosphoran
2. Synonyms:
3. CAS NO:20491-34-3
4. Molecular Formula:
5. Molecular Weight: 240.917
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: Trimethyl-(dimethylstibino-methylen)-phosphoran(CAS DataBase Reference)
10. NIST Chemistry Reference: Trimethyl-(dimethylstibino-methylen)-phosphoran(20491-34-3)
11. EPA Substance Registry System: Trimethyl-(dimethylstibino-methylen)-phosphoran(20491-34-3)
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: 20491-34-3(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 20491-34-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,4,9 and 1 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 20491-34:
(7*2)+(6*0)+(5*4)+(4*9)+(3*1)+(2*3)+(1*4)=83
83 % 10 = 3
So 20491-34-3 is a valid CAS Registry Number.

20491-34-3Upstream product

20491-34-3Downstream Products

14580-91-7 trimethyl(methylene)phosphorane

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