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268992

4-Pentyn-2-ol

≥98%

Synonym(s):

(±)-4-Pentyn-2-ol

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About This Item

Linear Formula:
HC≡CCH2CH(OH)CH3
CAS Number:
2117-11-5
Molecular Weight:
84.12
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24856305
EC Number:
218-321-1
Beilstein/REAXYS Number:
1734245
MDL number:
MFCD00004555
Assay:
≥98%
Form:
liquid
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Quality Segment

assay

≥98%

form

liquid

refractive index

n20/D 1.438 (lit.)

bp

126-127 °C (lit.)

density

0.892 g/mL at 25 °C (lit.)

functional group

hydroxyl

SMILES string

CC(O)CC#C

InChI

1S/C5H8O/c1-3-4-5(2)6/h1,5-6H,4H2,2H3

InChI key

JTHLRRZARWSHBE-UHFFFAOYSA-N

General description

4-Pentyn-2-ol, a secondary homopropargylic alcohol, is toxic with LC50 value of 160.

Application

4-Pentyn-2-ol was used in the synthesis of new Fischer-type rhenium (III) benzoyldiazenido-2-oxacyclocarbenes. It was also used in the preparation of c-aryl glycosides by undergoing cycloaddition reaction with an aryl nitrile oxide.

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Warning

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class

3 - Flammable liquids

WGK

WGK 3

Flash Point (°F)

98.6 °F - closed cup

Flash Point (°C)

37 °C - closed cup

PPE (personal protective equipment)

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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