Diethyl-trifluormethyl-wismut, also known as Bis(trifluoromethyl)diethyl-wismut, is a chemical compound with the formula (C2H5)2W(CF3)2. It is a derivative of tungsten, a transition metal, and is characterized by its two ethyl groups and two trifluoromethyl groups attached to the central tungsten atom. Diethyl-trifluormethyl-wismut is of interest in organometallic chemistry due to its unique structure and potential applications in various chemical reactions. It is typically synthesized through the reaction of tungsten halides with organolithium reagents and is used as a precursor in the formation of other tungsten-containing compounds. The compound is sensitive to air and moisture, and it is usually handled under an inert atmosphere to prevent decomposition.

1998-70-5

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Basic information
1. Product Name: Diethyl-trifluormethyl-wismut
2. Synonyms: Diethyl-trifluormethyl-wismut
3. CAS NO:1998-70-5
4. Molecular Formula:
5. Molecular Weight: 336.11
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: Diethyl-trifluormethyl-wismut(CAS DataBase Reference)
10. NIST Chemistry Reference: Diethyl-trifluormethyl-wismut(1998-70-5)
11. EPA Substance Registry System: Diethyl-trifluormethyl-wismut(1998-70-5)
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: 1998-70-5(Hazardous Substances Data)

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1998-70-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1998-70-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,9,9 and 8 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1998-70:
(6*1)+(5*9)+(4*9)+(3*8)+(2*7)+(1*0)=125
125 % 10 = 5
So 1998-70-5 is a valid CAS Registry Number.

1998-70-5Upstream product

1998-70-5Downstream Products

75-46-7 trifluoromethan

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