2,2,4-trimethyl-1,3-pentanediol
Structural formula | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Simplified structural formula without stereochemistry | |||||||||||||||||||
General | |||||||||||||||||||
Surname | 2,2,4-trimethyl-1,3-pentanediol | ||||||||||||||||||
other names |
|
||||||||||||||||||
Molecular formula | C 8 H 18 O 2 | ||||||||||||||||||
Brief description |
white solid |
||||||||||||||||||
External identifiers / databases | |||||||||||||||||||
|
|||||||||||||||||||
properties | |||||||||||||||||||
Molar mass | 146.23 g mol −1 | ||||||||||||||||||
Physical state |
firmly |
||||||||||||||||||
density |
0.94 g cm −3 |
||||||||||||||||||
Melting point |
52 ° C |
||||||||||||||||||
boiling point |
229-234 ° C |
||||||||||||||||||
solubility |
|
||||||||||||||||||
Refractive index |
1.4513 (15 ° C) |
||||||||||||||||||
safety instructions | |||||||||||||||||||
|
|||||||||||||||||||
Toxicological data | |||||||||||||||||||
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 |
2,2,4-Trimethyl-1,3-pentanediol is a chemical compound and more precisely - if not stated otherwise - a 1: 1 mixture of two stereoisomeric chemical compounds from the group of alkanediols .
Extraction and presentation
2,2,4-Trimethyl-1,3-pentanediol can be obtained by hydrogenation of the product resulting from the aldol addition of isobutyraldehyde .
properties
2,2,4-Trimethyl-1,3-pentanediol is a flammable, difficult to ignite, crystalline, white solid that is soluble in water.
use
2,2,4-Trimethyl-1,3-pentanediol is used as a plasticizer in polyesters for food packaging and as a solvent for printing inks, for example, and as a raw material for unsaturated polyesters.
Individual evidence
- ↑ a b c d e f g h i j k Entry on 2,2,4-trimethyl-1,3-pentanediol in the GESTIS substance database of the IFA , accessed on December 3, 2018(JavaScript required) .
- ↑ a b c 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. 556 ( limited preview in Google Book search).
- ↑ Entry on 2,2,4-trimethyl-1,3-pentanediol in the Hazardous Substances Data Bank , accessed on December 3, 2018.
- ^ S. Gangolli, Royal Society of Chemistry (Great Britain): The Dictionary of Substances and Their Effects . Royal Society of Chemistry, 1999, ISBN 978-0-85404-838-0 , pp. 472 ( limited preview in Google Book search).
- ↑ Z: Römpp Lexikon Chemie, 10th edition, 1996-1999 Volume 6: T - Z . Georg Thieme Verlag, 2014, ISBN 3-13-200061-2 , p. 4658 ( limited preview in Google Book search).