Difluor-o-tolylphosphit, also known as 2-(difluoromethyl)phenylphosphane or o-tolylphosphinous difluoride, is an organophosphorus compound with the chemical formula C7H7F2P. It is a colorless liquid that is sensitive to air and moisture, and it is used as a reagent in organic synthesis, particularly in the formation of carbon-phosphorus bonds. The compound is prepared by the reaction of o-tolylmagnesium bromide with difluorophosphorus oxide. Due to its reactivity, it is typically stored under an inert atmosphere and used in a controlled environment to prevent unwanted side reactions. Difluor-o-tolylphosphit is an important building block in the synthesis of various phosphorus-containing compounds, which have applications in pharmaceuticals, agrochemicals, and materials science.

1646-00-0

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Basic information
1. Product Name: Difluor-o-tolylphosphit
2. Synonyms:
3. CAS NO:1646-00-0
4. Molecular Formula:
5. Molecular Weight: 176.103
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: Difluor-o-tolylphosphit(CAS DataBase Reference)
10. NIST Chemistry Reference: Difluor-o-tolylphosphit(1646-00-0)
11. EPA Substance Registry System: Difluor-o-tolylphosphit(1646-00-0)
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: 1646-00-0(Hazardous Substances Data)

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Check Digit Verification of cas no

The CAS Registry Mumber 1646-00-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,6,4 and 6 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1646-00:
(6*1)+(5*6)+(4*4)+(3*6)+(2*0)+(1*0)=70
70 % 10 = 0
So 1646-00-0 is a valid CAS Registry Number.

1646-00-0Upstream product

31860-10-3 dichloro-o-tolyloxy-phosphine

1646-00-0Downstream Products

2585-72-0 Fluor-o-tolyl-phenylphosphit

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