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:
Molecular Weight:
84.12
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
218-321-1
Beilstein/REAXYS Number:
1734245
MDL number:
Assay:
≥98%
Form:
liquid
Quality Segment
assay
≥98%
form
liquid
refractive index
n
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.
signalword
Warning
hcodes
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
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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