2-methylbut-3-en-2-ol

Structural formula
General
Surname	2-methylbut-3-en-2-ol
other names	2-methyl-3-buten-2-ol; 2-methylbut-3-en-2-ol; 1,1-dimethylallyl alcohol; 3-hydroxy-3-methyl-1-butene; Dimethyl vinyl carbinol; 2-METHYL-3-BUTEN-2-OL ( INCI ) ;
Molecular formula	C 5 H 10 O
Brief description	colorless liquid with an alcoholic odor
External identifiers / databases
EC number	204-068-4
ECHA InfoCard	100.003.699
PubChem	8257
Wikidata	Q209432
properties
Molar mass	86.13 g mol −1
Physical state	liquid
density	0.82 g cm −3
Melting point	−43 ° C
boiling point	98 ° C
Vapor pressure	137 mbar (50 ° C)
solubility	miscible with water
Refractive index	1.416 (20 ° C)
safety instructions
H and P phrases	H: 225-302-315-319
	P: 210-280-301 + 312 + 330-305 + 351 + 338-337 + 313-403 + 235
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C

2-Methyl-3-buten-2-ol is a chemical compound from the group of unsaturated alcohols .

properties

2-Methyl-3-buten-2-ol is a colorless liquid with an alcoholic odor, which is miscible with water. It decomposes when heated, producing carbon monoxide and carbon dioxide. Its dynamic viscosity is 2.6 mPa · s at 20 ° C.

use

In some spider and insect species, 2-methylbut-3-en-2-ol was found to be a component of the pheromone . It is also contained in attractant traps against the book printer .

2-Methyl-3-buten-2-ol is used in the manufacture of pharmaceuticals, vitamins A and E and fragrances.

safety instructions

The vapors of 2-methyl-3-buten-2-ol can form an explosive mixture with air ( flash point 10 ° C, ignition temperature 380 ° C).

Individual evidence

↑ Entry on 2-METHYL-3-BUTEN-2-OL in the CosIng database of the EU Commission, accessed on March 11, 2020.
↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k Entry on 2-methyl-3-buten-2-ol in the GESTIS substance database of the IFA , accessed on January 10, 2017(JavaScript required) .
↑ Data sheet 2-methyl-3-buten-2-ol, ≥ 98% from Sigma-Aldrich , accessed on December 6, 2011 ( PDF ).
↑ 2-methyl-3-buten-2-ol in the Pherobase (English)
↑ Safety data sheet Pheroprax ampoule

[CosIng-1] Entry on 2-METHYL-3-BUTEN-2-OL in the CosIng database of the EU Commission, accessed on March 11, 2020.

[GESTIS-2] ↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k Entry on 2-methyl-3-buten-2-ol in the GESTIS substance database of the IFA , accessed on January 10, 2017(JavaScript required) .

[Sigma-3] Data sheet 2-methyl-3-buten-2-ol, ≥ 98% from Sigma-Aldrich , accessed on December 6, 2011 ( PDF ).

[4] 2-methyl-3-buten-2-ol in the Pherobase (English)

[5] Safety data sheet Pheroprax ampoule