Phosphine oxide, methyl-, also known as methylphosphine oxide or dimethyl phosphine oxide, is a chemical compound with the molecular formula (CH3)2P(O)H. It is a colorless, volatile liquid that is soluble in water and organic solvents. Phosphine oxide, methyl- is an important intermediate in the synthesis of various organophosphorus compounds, such as pesticides, flame retardants, and pharmaceuticals. Methylphosphine oxide is produced through the oxidation of dimethyl phosphine or by the reaction of phosphorus trichloride with methanol. It is also used as a ligand in coordination chemistry and as a reagent in organic synthesis. Due to its potential toxicity and environmental impact, proper handling and disposal procedures should be followed when working with this chemical.

7187-92-0

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Basic information
1. Product Name: Phosphine oxide, methyl-
2. Synonyms:
3. CAS NO:7187-92-0
4. Molecular Formula: CH5OP
5. Molecular Weight: 64.0239
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: Phosphine oxide, methyl-(CAS DataBase Reference)
10. NIST Chemistry Reference: Phosphine oxide, methyl-(7187-92-0)
11. EPA Substance Registry System: Phosphine oxide, methyl-(7187-92-0)
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: 7187-92-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 7187-92-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,1,8 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 7187-92:
(6*7)+(5*1)+(4*8)+(3*7)+(2*9)+(1*2)=120
120 % 10 = 0
So 7187-92-0 is a valid CAS Registry Number.

7187-92-0Upstream product

7187-92-0Downstream Products

993-13-5 methylphosphonic acid

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