3-Butyn-2-ol

3-Butyn-2-ol Basic information

Product Name:	3-Butyn-2-ol
Synonyms:	1-Ethynylethanol;1-Methyl-2-propynyl alcohol;1-Methylpropargyl alcohol;3-butyn-2-0l;3-butyn-2-olsolution;3-Hydroxy-1-butyne;alpha-Methylpropargyl alcohol;but-3-yn-2-ol
CAS:	2028-63-9
MF:	C4H6O
MW:	70.09
EINECS:	217-978-1
Product Categories:	Alkynes;Organic Building Blocks;Aliphatics;Acetylenes;Acetylenic Alcohols & Their Derivatives;Terminal
Mol File:	2028-63-9.mol

3-Butyn-2-ol Chemical Properties

Melting point	-1.5°C
alpha	0°(c=1, CHCl3)
Boiling point	66-67 °C/150 mmHg (lit.)
density	0.894 g/mL at 25 °C (lit.)
vapor pressure	11hPa at 20℃
refractive index	n20/D 1.426(lit.)
Fp	78 °F
storage temp.	Flammables area
Water Solubility	Completely miscible in water
pka	13.28±0.20(Predicted)
form	Liquid
color	Clear colorless to light yellow
Specific Gravity	0.894
BRN	635722
LogP	1.1 at 35℃
CAS DataBase Reference	2028-63-9(CAS DataBase Reference)
NIST Chemistry Reference	3-Butyn-2-ol(2028-63-9)
EPA Substance Registry System	3-Butyn-2-ol (2028-63-9)

Safety Information

Hazard Codes	T,F
Risk Statements	10-25-36/38-36/37/38-24/25
Safety Statements	26-45-36/37/39-16
RIDADR	UN 2929 6.1/PG 2
WGK Germany	3
RTECS	ES0709800
F	10
Hazard Note	Irritant
TSCA	Yes
HazardClass	6.1
PackingGroup	II
HS Code	29052900

MSDS Information

Provider	Language
ACROS	English
ALFA	English

3-Butyn-2-ol Usage And Synthesis

Chemical Properties	clear colorless to light yellow liquid
Uses	3-Butyn-2-ol is an intermediate used to prepare aminoindanes with inhibitory activity toward acetylcholine esterase and monoamine oxidase useful as anti-Alzheimer's agents.
Flammability and Explosibility	Flammable

3-Butyn-2-ol Preparation Products And Raw materials

Raw materials	2-hydroxypropanal-->acetylene-bis-magnesium bromide, Fandachem-->ETHYNYLMAGNESIUM BROMIDE-->3-Butyn-2-one-->(1-DIAZO-2-OXO-PROPYL)-PHOSPHONIC ACID DIMETHYL ESTER-->Methylmagnesium Bromide-->SODIUM ACETYLIDE-->Ethylmagnesium bromide
Preparation Products	Crotonaldehyde-->3-Methylpyrazole-->1-(3-carbethoxy-5-isoxazolyl)ethanol-->5-(2-HYDROXYETHYL)-3-PHENYL ISOXAZOLE-->P-TOLUENESULFONIC ACID 1-BUTYN-3-YL ESTER-->6-Methyl-5-isopropyl-3-heptyne-2,5-diol

1,4-BIS(1-HYDROXYCYCLOHEXYL)-1,3-BUTADIYNE Ethisterone Ethynyl estradiol 1-(1-BUTYNYL)CYCLOPENTANOL 1-ETHYNYL-1-CYCLOHEPTANOL 1-Ethynyl-1-cyclohexanol 3-Hexyn-2,5-diol 1-Chloro-2-methyl-3-pentyn-2-ol Propargyl alcohol 2,5-Dimethyl-3-hexyne-2,5-diol 2,5-DIMETHYL-5-HEXEN-3-YN-2-OL 1-PENTYN-3-OL 1,1'-ETHYNYLENEDICYCLOHEXANOL 3,6-DIMETHYL-4-OCTYN-3,6-DIOL 3-Butyn-2-ol 3-Methyl butynol 1-ETHYNYLCYCLOPENTANOL 2-PHENYL-3-BUTYN-2-OL

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