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38771-21-0

38771-21-0 Structure

38771-21-0 Structure
IdentificationBack Directory
[Name]

4-BROMO-1-BUTYNE
[CAS]

38771-21-0
[Synonyms]

4-BROMO-1-BUTYNE
1-Bromo-3-butyne
4-broMobut-1-yne
3-Butynyl Bromide
4-BroMo-1-butyne 97%
4-Bromo-1-butyne >
1-Butyne, 4-bromo- (6CI,9CI)
4-Bromo-1-butyne,1-Bromo-3-butyne
4-Bromo-1-butyne, 97%, for synthesis
4-BROMO-1-BUTYNE, 98%4-BROMO-1-BUTYNE, 98%4-BROMO-1-BUTYNE, 98%4-BROMO-1-BUTYNE, 98%
[Molecular Formula]

C4H5Br
[MDL Number]

MFCD10000883
[MOL File]

38771-21-0.mol
[Molecular Weight]

132.987
Chemical PropertiesBack Directory
[Boiling point ]

110 °C
[density ]

1.417 g/mL at 25 °C
[refractive index ]

1.481
[Fp ]

24 °C
[storage temp. ]

Refrigerator
[solubility ]

Chloroform (Slightly), Methanol (Slightly)
[form ]

clear liquid
[color ]

Colorless to Light yellow to Light orange
[Water Solubility ]

Immiscible with water.
[InChI]

InChI=1S/C4H5Br/c1-2-3-4-5/h1H,3-4H2
[InChIKey]

XLYOGWXIKVUXCL-UHFFFAOYSA-N
[SMILES]

C#CCCBr
Safety DataBack Directory
[Symbol(GHS) ]

Flame (GHS02)Skull and Crossbones (GHS06)
GHS02,GHS06
[Signal word ]

Danger
[Hazard statements ]

H226-H301-H317
[Precautionary statements ]

P210-P280-P301+P310+P330-P302+P352
[Hazard Codes ]

T
[Risk Statements ]

10-25-43
[Safety Statements ]

36/37-45
[RIDADR ]

UN 1992 6.1(3) / PGIII
[WGK Germany ]

3
[HazardClass ]

3
[PackingGroup ]

III
[HS Code ]

29039990
[Storage Class]

3 - Flammable liquids
[Hazard Classifications]

Acute Tox. 3 Oral
Flam. Liq. 3
Skin Sens. 1
Hazard InformationBack Directory
[Chemical Properties]

Yellow liquid
[Uses]

4-Bromo-1-butyne is used for pharmaceutical intermediates.
[Synthesis]

4-Bromo n-butyne can be obtained by reacting 3-butyn-1-ol with phosphorus tribromide.
Spectrum DetailBack Directory
[Spectrum Detail]

4-BROMO-1-BUTYNE(38771-21-0)1HNMR
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