Zinc, bromo-2-butynyl-, also known as bromo-2-butynylzinc, is an organozinc compound with the chemical formula Zn(C≡CCH2Br)2. It is a colorless, pyrophoric liquid that is highly reactive and sensitive to air and moisture. Zinc, bromo-2-butynyl- is primarily used as a reagent in organic synthesis, particularly in the formation of carbon-carbon bonds through the Negishi coupling reaction. The bromo-2-butynylzinc is prepared by the reaction of 2-butyn-1-ol with zinc bromide (ZnBr2) in the presence of a catalytic amount of copper(I) bromide (CuBr). It is important to handle Zinc, bromo-2-butynyl- with extreme caution due to its reactivity and potential hazards.
32747-56-1
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Basic information
- Product Name: Zinc, bromo-2-butynyl-
- Synonyms:
- CAS NO:32747-56-1
- Molecular Formula: C4H5BrZn
- Molecular Weight: 198.378
- EINECS: N/A
- Product Categories: N/A
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: N/A
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: Zinc, bromo-2-butynyl-(CAS DataBase Reference)
- NIST Chemistry Reference: Zinc, bromo-2-butynyl-(32747-56-1)
- EPA Substance Registry System: Zinc, bromo-2-butynyl-(32747-56-1)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 32747-56-1(Hazardous Substances Data)
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Check Digit Verification of cas no
The CAS Registry Mumber 32747-56-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,7,4 and 7 respectively; the second part has 2 digits, 5 and 6 respectively.Calculate Digit Verification of CAS Registry Number 32747-56:
(7*3)+(6*2)+(5*7)+(4*4)+(3*7)+(2*5)+(1*6)=121
121 % 10 = 1
So 32747-56-1 is a valid CAS Registry Number.
32747-56-1Upstream product
32747-56-1Downstream Products
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- 138851-78-2 2-Methyl-1-phenyl-buta-2,3-dienylamine
- 138851-77-1 1-phenylpent-3-yn-1-amine
- 76387-11-6 Dimethyl-(1-phenyl-pent-3-ynyl)-amine
- 80176-68-7 1-(1-Isopropyl-pent-3-ynyl)-pyrrolidine
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Zinc, bromo-2-butynyl-
