2,2-dimethyl-1-propanol

Structural formula
General
Surname	2,2-dimethyl-1-propanol
other names	neo- pentanol; Neopentyl alcohol;
Molecular formula	C 5 H 12 O
Brief description	white crystalline powder
External identifiers / databases
EC number	200-907-3
ECHA InfoCard	100,000,826
PubChem	6404
Wikidata	Q3270847
properties
Molar mass	88.15 g mol −1
Physical state	firmly
density	0.81 g cm −3
Melting point	53 ° C
boiling point	113 ° C-114 ° C
solubility	40 g / l (20 ° C)
safety instructions
H and P phrases	H: 228-319-335
	P: 210-305 + 351 + 338-370 + 378
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

2,2-Dimethyl-1-propanol (also neo- pentanol) is an organic chemical compound from the group of alcohols . It is one of eight structural isomers of pentanols . It is the only alcohol from the pentanol group that is solid at room temperature.

Extraction and presentation

2,2-Dimethyl-1-propanol is obtained by reducing pivalic acid. It can also be produced from diisobutylene via the intermediate step of the peroxide . It can also be obtained via hydroformylation of isobutylene and subsequent hydrogenation .

properties

2,2-Dimethyl-1-propanol forms colorless crystals with a peppermint-like odor.

use

2,2-Dimethyl-1-propanol is used as the solvent. It serves as a ligand for transition complexes and polymerization catalysts and in organic synthesis as a reagent for introducing a neopentyl group into organic compounds.

Individual evidence

↑ ^a ^b ^c ^d ^e ^f ^g Entry on 2,2-dimethyl-1-propanol in the GESTIS substance database of the IFA , accessed on January 9, 2019(JavaScript required) .
↑ ^a ^b ^c ^d ^e ^f Entry on pentanols. In: Römpp Online . Georg Thieme Verlag, accessed on May 15, 2018.
↑ Joseph Hoffman: neopentyl ALCOHOL In: Organic Synthesis . 40, 1960, p. 76, doi : 10.15227 / orgsyn.040.0076 ; Coll. Vol. 5, 1973, p. 818 ( PDF ).
↑ Irving Wender, Julian Feldman, Sol Metlin, Bernard H. Gwynn, Milton Orchin: Formation of Neopentyl Alcohol from Isobutylene in the Hydroformylation Reaction . In: Journal of the American Chemical Society . tape 77 , no. 21 , 1955, pp. 5760-5761 , doi : 10.1021 / ja01626a102 .

[GESTIS-1] ↑ ^a ^b ^c ^d ^e ^f ^g Entry on 2,2-dimethyl-1-propanol in the GESTIS substance database of the IFA , accessed on January 9, 2019(JavaScript required) .

[Roempp-2] ↑ ^a ^b ^c ^d ^e ^f Entry on pentanols. In: Römpp Online . Georg Thieme Verlag, accessed on May 15, 2018.

[3] Joseph Hoffman: neopentyl ALCOHOL In: Organic Synthesis . 40, 1960, p. 76, doi : 10.15227 / orgsyn.040.0076 ; Coll. Vol. 5, 1973, p. 818 ( PDF ).

[4] Irving Wender, Julian Feldman, Sol Metlin, Bernard H. Gwynn, Milton Orchin: Formation of Neopentyl Alcohol from Isobutylene in the Hydroformylation Reaction . In: Journal of the American Chemical Society . tape 77 , no. 21 , 1955, pp. 5760-5761 , doi : 10.1021 / ja01626a102 .