1-Bromo-2-pentyne

Modify Date: 2025-08-25 14:53:42

1-Bromo-2-pentyne Structure
1-Bromo-2-pentyne structure
 Common Name 1-Bromo-2-pentyne
CAS Number 16400-32-1 Molecular Weight 147.01300
Density 1.366g/cm3 Boiling Point 142.5ºC at 760mmHg
Molecular Formula C5H7Br Melting Point N/A
MSDS Chinese Flash Point 45.1ºC
Symbol GHS02 GHS07
GHS02, GHS07		 Signal Word Warning

 Names

Name 1-bromopent-2-yne
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.366g/cm3
Boiling Point 142.5ºC at 760mmHg
Molecular Formula C5H7Br
Molecular Weight 147.01300
Flash Point 45.1ºC
Exact Mass 145.97300
LogP 1.79470
Appearance of Characters Liquid | Clear yellow
Vapour Pressure 7mmHg at 25°C
Index of Refraction n20/D 1.498(lit.)
Water Solubility Miscible with ether

 Safety Information

Symbol GHS02 GHS07
GHS02, GHS07
Signal Word Warning
Hazard Statements H226-H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Hazard Codes Xi: Irritant;
Risk Phrases 10
Safety Phrases 26-36
RIDADR UN 1993 3/PG 3
WGK Germany 3
HS Code 2903399090

 Synthetic Route

2-Pentyn-1-ol structure

2-Pentyn-1-ol

CAS#:6261-22-9

~83%

1-Bromo-2-pentyne Structure

1-Bromo-2-pentyne

CAS#:16400-32-1

Literature: Synthetic Communications, , vol. 24, # 10 p. 1395 - 1401
1-Chloro-2-pentyne structure

1-Chloro-2-pentyne

CAS#:22592-15-0

~52%

1-Bromo-2-pentyne Structure

1-Bromo-2-pentyne

CAS#:16400-32-1

Literature: Bioscience, Biotechnology and Biochemistry, , vol. 64, # 9 p. 1988 - 1992
1-(p-Tosyloxy)-2-pentyne structure

1-(p-Tosyloxy)-...

CAS#:92666-05-2

~93%

1-Bromo-2-pentyne Structure

1-Bromo-2-pentyne

CAS#:16400-32-1

Literature: Journal of Organic Chemistry USSR (English Translation), , p. 1076 - 1078 Zhurnal Organicheskoi Khimii, , vol. 23, # 5 p. 1190 - 1193
2-pent-2-ynyloxy-tetrahydro-pyran structure

2-pent-2-ynylox...

CAS#:6261-21-8

~89%

1-Bromo-2-pentyne Structure

1-Bromo-2-pentyne

CAS#:16400-32-1

Literature: Journal of the Chemical Society - Perkin Transactions 1, , # 11 p. 1839 - 1858
1-methoxypent-2-yne structure

1-methoxypent-2-yne

CAS#:18495-20-0

~%

1-Bromo-2-pentyne Structure

1-Bromo-2-pentyne

CAS#:16400-32-1

Literature: Tetrahedron, , vol. 33, p. 2937 - 2948
tetra-N-methyl-phosphorodiamidic acid pent-2-ynyl ester structure

tetra-N-methyl-...

CAS#:53799-89-6

~%

1-Bromo-2-pentyne Structure

1-Bromo-2-pentyne

CAS#:16400-32-1

Literature: Synthesis, , p. 730 - 732
METHYLMAGNESIUM BROMIDE structure

METHYLMAGNESIUM...

CAS#:75-16-1

2-Butyne, 1,4-dibromo- structure

2-Butyne, 1,4-d...

CAS#:2219-66-1

~%

1-Bromo-2-pentyne Structure

1-Bromo-2-pentyne

CAS#:16400-32-1

Literature: Bulletin de la Societe Chimique de France, , p. 189 - 195

 Customs

HS Code 2903399090
Summary 2903399090. brominated,fluorinated or iodinated derivatives of acyclic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

 Articles3

More Articles
Syntheses of stereochemically restricted lactone-type analogues of jasmonic acids.

Biosci. Biotechnol. Biochem. 64(9) , 1988-92, (2000)

5-Oxa-7-epi-jasmonic acid and 5-oxa-jasmonic acid, which are stereochemically restricted lactone-type analogues of jasmonic acids, were synthesized via three-component coupling of 2(5H)-furanone, tert...

Synthesis of Cyclic Compounds Having exo-Methylene Groups through the Diels-Alder Reactions of Vinyl Allenes Obtained from Propargyl Bromide and Indium. Lee K and Lee PH.

Bull. Korean Chem. Soc. 29(2) , 487, (2008)

Synthesis of some aliphatic dienals. Ward JP and Van Dorp DA.

Rec. Trav. Chim. 88(2) , 177-84, (1969)

 Synonyms

1-bromo-pent-2-yne
3-ethylpropargyl bromide
pent-2-ynyl bromide
2-Pentyne,1-bromo
1-Bromo-2-pentyne
MFCD00236363
5-bromopent-3-yne
2-Pentynyl Bromide
EINECS 240-451-2
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Chemsrc provides 1-Bromo-2-pentyne(CAS#:16400-32-1) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of 1-Bromo-2-pentyne are included as well.>> amp version: 1-Bromo-2-pentyne

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