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2,2-Dimethyl-1,3-propanediol Structure

2,2-Dimethyl-1,3-propanediol

Chemical Properties

Melting point 126-128 °C
Boiling point 208 °C
Density  1.06
vapor density  3.6 (vs air)
vapor pressure  <0.8 mm Hg ( 20 °C)
refractive index  1.4406 (estimate)
Flash point 107 °C
storage temp.  Inert atmosphere,Room Temperature
solubility  830g/l
pka 14.57±0.10(Predicted)
form  Crystalline Chunks
color  White
explosive limit 1.34%, 149°F
Water Solubility  830 g/L (20 ºC)
Sensitive  Hygroscopic
Merck  14,6458
BRN  605291
Stability Stable. Incompatible with strong oxidizing agents, acetic anhydride, acid chlorides, moisture. Combustible.
LogP -0.15 at 25℃
Indirect Additives used in Food Contact Substances NEOPENTYL GLYCOL
FDA 21 CFR 175.105; 175.320; 177.1680
CAS DataBase Reference 126-30-7(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII QI80HXD6S5
NIST Chemistry Reference 1,3-Propanediol, 2,2-dimethyl-(126-30-7)
EPA Substance Registry System Neopentyl glycol (126-30-7)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H318
Precautionary statements P280-P305+P351+P338
Hazard Codes  Xi
Risk Statements  36/37/38-36-41
Safety Statements  26-36-39
WGK Germany  1
RTECS  TY5775000
3
Autoignition Temperature 750 °F
TSCA  Yes
HS Code  29053990
Hazardous Substances Data 126-30-7(Hazardous Substances Data)
Toxicity rat,LCLo,inhalation,39000ppm/6H (39000ppm),Kodak Company Reports. Vol. 21MAY1971,
NFPA 704:
1
1 0

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