1-PENTYN-3-OL Chemical Properties

Melting point:

-24.1°C (estimate)

Boiling point:

124 °C

Density 

0.975 g/mL at 25 °C(lit.)

vapor density 

1 (vs air)

refractive index 

n20/D 1.434(lit.)

Flash point:

85 °F

storage temp. 

Sealed in dry,2-8°C

pka

13.28±0.20(Predicted)

form 

clear liquid

color 

Colorless to Yellow to Green

Water Solubility 

Slightly soluble in water.

BRN 

1098409

InChIKey

LBSKEFWQPNVWTP-UHFFFAOYSA-N

CAS DataBase Reference

4187-86-4(CAS DataBase Reference)

Safety Information

Hazard Codes 

T

Risk Statements 

10-23/24/25

Safety Statements 

16-36/37/39-45

RIDADR 

UN 1986 3/PG 3

WGK Germany 

3

RTECS 

SC4758500

HazardClass 

3

PackingGroup 

III

HS Code 

29052900

MSDS

• Language:English Provider:ACROS
• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

1-PENTYN-3-OL Usage And Synthesis

Chemical Properties

CLEAR YELLOW LIQUID

Uses

1-Pentyn-3-ol is used as a pharmaceutical intermediate.

1-PENTYN-3-OL(4187-86-4)Related Product Information

• Ethyl glyoxalate
• Ethyldicyclohexylbenzoic acid
• Glyoxylic acid
• 1-Ethynyl-1-cyclohexanol
• 17a-Ethynyl-1,3,5(10)-estratriene-3,17b-diol 3-methyl ether
• 1-Pentyn-3-ol,3-methyl
• 3-Ethyl-1-pentyn-3-ol
• 1-Octyn-3-ol
• Ethisterone
• 3,5-DIMETHYL-1-HEXYN-3-OL
• 2,4,7,9-Tetramethyl-5-decyne-4,7-diol
• Ethynyl estradiol
• 1,4-BIS(1-HYDROXYCYCLOHEXYL)-1,3-BUTADIYNE
• 1-PENTYN-3-OL
• 1,1'-ETHYNYLENEDICYCLOHEXANOL
• 5-(diethylamino)pent-3-yn-2-ol ,5-(diethylamino)-3-Pentyn-2-ol,3-Pentyn-2-ol,5-(diethylamino)-
• (S)-Pent-3-yn-2-ol
• 3-Isopropyl-4-methyl-1-pentyn-3-ol, 98+%