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538256

Sigma-Aldrich

2,2-Dimethyl-1,3-propanediol

99%

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Synonym(s):
NPG Glycol, Neopentylglycol
Linear Formula:
(CH3)2C(CH2OH)2
CAS Number:
Molecular Weight:
104.15
Beilstein/REAXYS Number:
605291
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

vapor density

3.6 (vs air)

vapor pressure

<0.8 mmHg ( 20 °C)

assay

99%

autoignition temp.

750 °F

expl. lim.

1.34 %, 149 °F
18.8 %, 177 °F

SMILES string

CC(C)(CO)CO

InChI

1S/C5H12O2/c1-5(2,3-6)4-7/h6-7H,3-4H2,1-2H3

InChI key

SLCVBVWXLSEKPL-UHFFFAOYSA-N

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This Item
3757211603382280
vibrant-m

538256

2,2-Dimethyl-1,3-propanediol

vibrant-m

375721

2-Methyl-1,3-propanediol

vibrant-m

16033

1,2-Propanediol

vibrant-m

82280

1,2-Propanediol

assay

99%

assay

99%

assay

≥99.5%

assay

≥99.5% (GC)

vapor density

3.6 (vs air)

vapor density

3.2 (vs air)

vapor density

2.62 (vs air)

vapor density

2.62 (vs air)

vapor pressure

<0.8 mmHg ( 20 °C)

vapor pressure

-

vapor pressure

0.08 mmHg ( 20 °C)

vapor pressure

0.08 mmHg ( 20 °C)

autoignition temp.

750 °F

autoignition temp.

-

autoignition temp.

779 °F

autoignition temp.

779 °F

expl. lim.

1.34 %, 149 °F

expl. lim.

-

expl. lim.

12.5 %

expl. lim.

12.5 %

General description

2,2-Dimethyl-1,3-propanediol readily absorbs moisture on exposure to air.

Application

2,2-Dimethyl-1,3-propanediol may be used in the synthesis of:
  • 2,2-dimethyl-1,3-propanediol cyclic phosphorochloridate
  • 2,2-dimethyl-1,3-propanediol cyclic phenylphosphonate
  • [1′,3′-(2′,2′-dimethylpropylene)]-2-iodo-3-octyl-5-thienylboronate
  • cyclic carbonate
  • 2,2-dimethyl-1,3-propanediol bis(cyclic-2,2-dimethyltrimethylene phosphite)

pictograms

Corrosion

signalword

Danger

hcodes

Hazard Classifications

Eye Dam. 1

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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