2,5-dimethyl-2,5-hexanediol

Structural formula
General
Surname	2,5-dimethyl-2,5-hexanediol
Molecular formula	C 8 H 18 O 2
Brief description	colorless solid
External identifiers / databases
EC number	203-731-5
ECHA InfoCard	100.003.393
PubChem	8031
ChemSpider	7740
Wikidata	Q8487586
properties
Molar mass	146.23 g mol −1
Physical state	firmly
density	0.898 g cm −3
Melting point	86-90 ° C
boiling point	214-215 ° C
solubility	soluble in water (140 g l −1 at 20 ° C); easily soluble in ethanol , benzene and chloroform ;
safety instructions
GHS labeling of hazardous substances Caution
H and P phrases	H: 319
	P: 305 + 351 + 338
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

2,5-Dimethyl-2,5-hexanediol is a chemical compound from the group of alkanediols .

Extraction and presentation

2,5-Dimethyl-2,5-hexanediol can be obtained by reducing 2,5-dimethyl-3-hexyn-2,5-diol in the presence of a palladium or platinum catalyst . The compound can also be obtained by reacting the corresponding tertiary alcohol with potassium permanganate .

properties

2,5-Dimethyl-2,5-hexanediol is a colorless solid that is soluble in water. The tetrahydrate has a monoclinic crystal structure with the space group P 2 ₁ / c (space group no. 14) . Template: room group / 14

use

2,5-Dimethyl-2,5-hexanediol is used as an intermediate in the synthesis of 2,5-dimethyl-2,5-bis (tert-butylperoxy) hexane for the production of polyethylene copolymers and polyethylene rubbers . It is also used in the synthesis of six- and seven-membered heterocyclic boron compounds that contain intramolecular NBB bonds.

Individual evidence

↑ ^a ^b ^c ^d ^e data sheet 2,5-dimethyl-2,5-hexanediol, 97% from Sigma-Aldrich , accessed on December 2, 2018 ( PDF ).
↑ ^a ^b ^c ^d ^e ^f data sheet 2,5-dimethyl-2,5-hexanediol, 97% from AlfaAesar, accessed on December 2, 2018 ( PDF )(JavaScript required) .
↑ David R. Lide: CRC Handbook of Chemistry and Physics A Ready-reference Book of Chemical and Physical Data . CRC Press, 1995, ISBN 978-0-8493-0595-5 , pp. 220 ( limited preview in Google Book search).
↑ Entry on 2,5-dimethyl-2,5-hexanediol in the Hazardous Substances Data Bank , accessed on December 2, 2018.
↑ Houben-Weyl Methods of Organic Chemistry Vol. VI / 1b, 4th Edition Alcohols III . Georg Thieme Verlag, 2014, ISBN 3-13-180044-5 , p. 589 ( limited preview in Google Book search).
↑ GA Jeffrey, MS Shen: Crystal Structure of 2,5-Dimethyl-2,5-hexanediol Tetrahydrate: A Water-Hydrocarbon Layer Structure. In: The Journal of Chemical Physics . 57, 1972, p. 56, doi : 10.1063 / 1.1677999 .

[Sigma-1] ↑ ^a ^b ^c ^d ^e data sheet 2,5-dimethyl-2,5-hexanediol, 97% from Sigma-Aldrich , accessed on December 2, 2018 ( PDF ).

[Alfa-2] ↑ ^a ^b ^c ^d ^e ^f data sheet 2,5-dimethyl-2,5-hexanediol, 97% from AlfaAesar, accessed on December 2, 2018 ( PDF )(JavaScript required) .

[David_R._Lide-3] David R. Lide: CRC Handbook of Chemistry and Physics A Ready-reference Book of Chemical and Physical Data . CRC Press, 1995, ISBN 978-0-8493-0595-5 , pp. 220 ( limited preview in Google Book search).

[HSDB-4] Entry on 2,5-dimethyl-2,5-hexanediol in the Hazardous Substances Data Bank , accessed on December 2, 2018.

[5] Houben-Weyl Methods of Organic Chemistry Vol. VI / 1b, 4th Edition Alcohols III . Georg Thieme Verlag, 2014, ISBN 3-13-180044-5 , p. 589 ( limited preview in Google Book search).

[DOI10.1063/1.1677999-6] GA Jeffrey, MS Shen: Crystal Structure of 2,5-Dimethyl-2,5-hexanediol Tetrahydrate: A Water-Hydrocarbon Layer Structure. In: The Journal of Chemical Physics . 57, 1972, p. 56, doi : 10.1063 / 1.1677999 .