4-PENTYN-2-OL

CAS No.：2117-11-5

Important Notice

This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
This product is intended solely for non-clinical research, process development, quality studies, further chemical processing, or chemical synthesis. It must not be used in drug-product manufacturing, clinical trials, clinical diagnosis, or administration to humans or animals, or be sold, used as an input, submitted for regulatory filing, or released as an API or pharmaceutical material.
The purchaser must not use this product, or supply it to another party, for personal consumption, sports or fitness, weight loss, health supplements, food, or animal feed.

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4-PENTYN-2-OL Basic information

Product Name:	4-PENTYN-2-OL
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
CAS:	2117-11-5
MF:	C5H8O
MW:	84.12
EINECS:	218-321-1
Product Categories:	Acetylenes;Acetylenic Alcohols & Their Derivatives
Mol File:	2117-11-5.mol

4-PENTYN-2-OL Chemical 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.)
Fp	99 °F
storage temp.	Flammables area
solubility	Miscible with chloroform and ethyl acetate.
form	Liquid
pka	14.29±0.20(Predicted)
Specific Gravity	0.892
color	Clear colorless to pale yellow
BRN	1734245
CAS DataBase Reference	2117-11-5(CAS DataBase Reference)

Safety Information

Hazard Codes	Xi
Risk Statements	10-36/37/38
Safety Statements	26-36
RIDADR	UN 1987 3/PG 3
WGK Germany	3
F	10
HazardClass	3
PackingGroup	III
HS Code	29052990

MSDS Information

Provider	Language
SigmaAldrich	English
ALFA	English

4-PENTYN-2-OL Usage And Synthesis

Chemical Properties	4-PENTYN-2-OL is clear colorless to pale yellow liquid
Uses	4-PENTYN-2-OL is used in QSAR studies pertaining to toxicity levels of organic compounds in environmental situations.
Uses	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.
General Description	4-Pentyn-2-ol, a secondary homopropargylic alcohol, is toxic with LC50 value of 160.

4-PENTYN-2-OL Preparation Products And Raw materials

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