Ethynylmagnesium bromide solution , 0.5MinTHF , 4301-14-8

CAS NO.：4301-14-8

Empirical Formula: C2HBrMg

Molecular Weight: 129.24

MDL number: MFCD00075342

PRODUCT Properties

• Density: 0.94 g/mL at 25 °C
• Flash point: −20 °F
• storage temp.: 2-8°C
• form: Liquid
• color: Colorless to yellow to brown to gray
• BRN: 3600874
• InChI: InChI=1S/C2H.BrH.Mg/c1-2;;/h1H;1H;/q;;+1/p-1
• InChIKey: HUGJUYPSXULVQQ-UHFFFAOYSA-M
• SMILES: C(#C)[Mg]Br

Description and Uses

Ethynylmagnesium bromide solution can be used in:

• The preparation of the alkyne component in an enyne cross-metathesis leading to conjugated dienes.
• Ethynylation of chiral α-(dibenzylamino) aldehydes.
• The synthesis of ethynyl aziridines.
• To prepare alkyl(triethynyl)germanes from tert-alkyltrichlorogermanes and 2-butyltrichlorogermane.
• The preperation of a key intermediate in the total synthesis of (+)-4-demethoxydaunomycin.

Safety

• Symbol(GHS): GHS02,GHS05,GHS07,GHS08
• Signal word: Danger
• Hazard statements: H225-H261-H302-H314-H335-H351
• Precautionary statements: P210-P231+P232-P280-P370+P378-P402+P404-P403+P235
• Hazard Codes: F,C
• Risk Statements: 11-14-22-34-40-37-19-14/15
• Safety Statements: 16-26-36/37/39-45-43-9
• RIDADR: UN 3399 4.3/PG 2
• WGK Germany: 1
• F: 1-3-10
• HazardClass: 4.3, 3
• HS Code: 29319090
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)