2,2,4-trimethyl-1,3-pentanediol

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Structural formula
Structural formula of 2,2,4-trimethyl-1,3-pentanediol
Simplified structural formula without stereochemistry
General
Surname 2,2,4-trimethyl-1,3-pentanediol
other names
  • 2,2,4-trimethylpentane-1,3-diol
  • TMPD
Molecular formula C 8 H 18 O 2
Brief description

white solid

External identifiers / databases
CAS number 144-19-4
EC number 205-619-1
ECHA InfoCard 100.005.109
PubChem 8946
ChemSpider 8602
Wikidata Q24817446
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
  • soluble in water (31.5 g l −1 at 20 ° C)
  • easily soluble in ethanol and diethyl ether
  • soluble in benzene and chloroform
Refractive index

1.4513 (15 ° C)

safety instructions
GHS labeling of hazardous substances
07 - Warning

Caution

H and P phrases H: 319
P: 264-280-305 + 351 + 338-337 + 313
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

  1. 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) .
  2. 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).
  3. Entry on 2,2,4-trimethyl-1,3-pentanediol in the Hazardous Substances Data Bank , accessed on December 3, 2018.
  4. ^ 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).
  5. 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).