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ChemicalBook >> CAS DataBase List >> 4-PENTYN-2-OL

4-PENTYN-2-OL

4-PENTYN-2-OL price.
  • $29 - $710
  • Product name: 4-PENTYN-2-OL
  • CAS: 2117-11-5
  • MF: C5H8O
  • MW: 84.12
  • EINECS:218-321-1
  • MDL Number:MFCD00004555
  • Synonyms:pent-4-yn-2-ol ;(R,S)-4-PENTYN-2-OL;4-PENTYN-2-OL, 98+%;4-Pentyn-2-ol, 97+%;1-Pentyne-4-ol;(+/-)-4-PENTYN-2-OL;4-PENTYN-2-OL;4-PENTYNE-2-OL
Price18 Properties Safety Information Description
18 prices
Selected condition：
Brand
  • aablocks
  • AK Scientific
  • Chemenu
  • GFS CHEMICALS
  • Medical Isotopes, Inc.
  • Sigma-Aldrich
  • TCI Chemical
  • Thermo Scientific Chemicals
  • TRC
Package
  • 1g
  • 5ml
  • 5g
  • 10G
  • 25g
  • Manufactureraablocks
  • Product numberAA003LVV
  • Product description4-Pentyn-2-ol 95%
  • Packaging1g
  • Price$29
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003LVV
  • Product description4-Pentyn-2-ol 95%
  • Packaging5g
  • Price$85
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003LVV
  • Product description4-Pentyn-2-ol 95%
  • Packaging25g
  • Price$363
  • Updated2026-05-28
  • Buy
  • ManufacturerAK Scientific
  • Product number6664AL
  • Product description4-Pentyn-2-ol
  • Packaging5ml
  • Price$134
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM343376
  • Product description4-Pentyn-2-ol 95%+
  • Packaging5g
  • Price$123
  • Updated2026-05-26
  • Buy
  • ManufacturerGFS CHEMICALS
  • Product number82711
  • Product description(+/-)-4-Pentyn-2-ol, 98%
  • Packaging10G
  • Price$118.23
  • Updated2026-06-03
  • Buy
  • ManufacturerMedical Isotopes, Inc.
  • Product number71924
  • Product description4-Pentyn-2-ol
  • Packaging10g
  • Price$640
  • Updated2021-12-16
  • Buy
  • ManufacturerMedical Isotopes, Inc.
  • Product number71924
  • Product description4-Pentyn-2-ol
  • Packaging25g
  • Price$710
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number268992
  • Product description4-Pentyn-2-ol ≥98%
  • Packaging25g
  • Price$176
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number268992
  • Product description4-Pentyn-2-ol ≥98%
  • Packaging5g
  • Price$65.8
  • Updated2026-04-30
  • Buy
  • ManufacturerTCI Chemical
  • Product numberP0818
  • Product description4-Pentyn-2-ol >97.0%(GC)
  • Packaging5mL
  • Price$50
  • Updated2026-04-30
  • Buy
  • ManufacturerThermo Scientific Chemicals
  • Product numberL02752
  • Product description4-Pentyn-2-ol, 97%
  • Packaging5g
  • Price$47.65
  • Updated2026-04-24
  • Buy
  • ManufacturerThermo Scientific Chemicals
  • Product numberL02752
  • Product description4-Pentyn-2-ol, 97%
  • Packaging25g
  • Price$170
  • Updated2026-04-24
  • Buy
  • ManufacturerTRC
  • Product numberTRC-P227530-10G
  • Product description4-Pentyn-2-ol
  • Packaging10g
  • Price$135
  • Updated2026-06-03
  • Buy
  • ManufacturerTRC
  • Product numberTRC-P227530-25G
  • Product description4-Pentyn-2-ol
  • Packaging25g
  • Price$183
  • Updated2026-06-03
  • Buy
  • ManufacturerTRC
  • Product numberP227530
  • Product description4-Pentyn-2-ol
  • Packaging5g
  • Price$70
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA003LVV 4-Pentyn-2-ol 95% 1g $29 2026-05-28 Buy
aablocks AA003LVV 4-Pentyn-2-ol 95% 5g $85 2026-05-28 Buy
aablocks AA003LVV 4-Pentyn-2-ol 95% 25g $363 2026-05-28 Buy
AK Scientific 6664AL 4-Pentyn-2-ol 5ml $134 2021-12-16 Buy
Chemenu CM343376 4-Pentyn-2-ol 95%+ 5g $123 2026-05-26 Buy
GFS CHEMICALS 82711 (+/-)-4-Pentyn-2-ol, 98% 10G $118.23 2026-06-03 Buy
Medical Isotopes, Inc. 71924 4-Pentyn-2-ol 10g $640 2021-12-16 Buy
Medical Isotopes, Inc. 71924 4-Pentyn-2-ol 25g $710 2021-12-16 Buy
Sigma-Aldrich 268992 4-Pentyn-2-ol ≥98% 25g $176 2026-04-30 Buy
Sigma-Aldrich 268992 4-Pentyn-2-ol ≥98% 5g $65.8 2026-04-30 Buy
TCI Chemical P0818 4-Pentyn-2-ol >97.0%(GC) 5mL $50 2026-04-30 Buy
Thermo Scientific Chemicals L02752 4-Pentyn-2-ol, 97% 5g $47.65 2026-04-24 Buy
Thermo Scientific Chemicals L02752 4-Pentyn-2-ol, 97% 25g $170 2026-04-24 Buy
TRC TRC-P227530-10G 4-Pentyn-2-ol 10g $135 2026-06-03 Buy
TRC TRC-P227530-25G 4-Pentyn-2-ol 25g $183 2026-06-03 Buy
TRC P227530 4-Pentyn-2-ol 5g $70 2021-12-16 Buy
Next Last

Properties

Melting point :-24.1°C (estimate)
Boiling point :126-127 °C (lit.)
Density :0.892 g/mL at 25 °C (lit.)
refractive index :n20/D 1.438(lit.)
Flash point :99 °F
storage temp. :Flammables area
solubility :Miscible with chloroform and ethyl acetate.
pka :14.29±0.20(Predicted)
form :Liquid
Specific Gravity :0.892
color :Clear colorless to pale yellow
BRN :1734245
InChI :1S/C5H8O/c1-3-4-5(2)6/h1,5-6H,4H2,2H3
InChIKey :JTHLRRZARWSHBE-UHFFFAOYSA-N
SMILES :CC(O)CC#C
CAS DataBase Reference :2117-11-5(CAS DataBase Reference)

Safety Information

Symbol(GHS): Flame (GHS02)Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H226 Flammable liquid and vapour Flammable liquids Category 3 Warning
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P241 Use explosion-proof electrical/ventilating/lighting/…/equipment.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

4-Pentyn-2-ol is used in Quantitative structure activity relationship (QSAR) studies pertaining to toxic levels of organic compounds in environmental situations. It is also used in the preparation of Fischer-type rhenium(III) benzoyldiazenido-2-oxacyclocarbenes. Further, it is used in the preparation of C-aryl glycosides by undergoing cycloaddition reaction with an aryl nitrile oxide.

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Suppliers and manufacturers

J & K SCIENTIFIC LTD. Meryer (Shanghai) Chemical Technology Co., Ltd. Alfa Aesar TCI (Shanghai) Development Co., Ltd. Energy Chemical Chemsky（shanghai）International Co.,Ltd. Shandong Xiya Chemical Co., Ltd Shanghai Youd Chemical Technology Co., Ltd. Thermo Fisher Scientific Beijing innoChem Science & Technology Co.,Ltd.