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Trimethylolpropane Structure

Trimethylolpropane

Chemical Properties

Melting point 56-58 °C(lit.)
Boiling point 159-161 °C2 mm Hg(lit.)
Density  1.176
vapor density  4.8 (vs air)
vapor pressure  <1 mm Hg ( 20 °C)
refractive index  1.4850 (estimate)
Flash point 172 °C
storage temp.  Store below +30°C.
solubility  H2O: 0.1 g/mL, clear
pka 14.01±0.10(Predicted)
form  Flakes
color  White
PH 6.5 (100g/l, H2O, 20℃)(External MSDS)
explosive limit 2-11.8%(V)
Water Solubility  soluble
BRN  1698309
InChIKey ZJCCRDAZUWHFQH-UHFFFAOYSA-N
CAS DataBase Reference 77-99-6(CAS DataBase Reference)
Indirect Additives used in Food Contact Substances TRIMETHYLOLPROPANE
FDA 21 CFR 175.105; 175.300; 175.320
FDA UNII 090GDF4HBD
NIST Chemistry Reference 1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-(77-99-6)
EPA Substance Registry System Trimethylolpropane (77-99-6)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H361fd
Precautionary statements P201-P202-P280-P308+P313-P405-P501
Safety Statements  22-24/25
WGK Germany  1
RTECS  TY6470000
Autoignition Temperature 375 °C DIN 51794
TSCA  Yes
HS Code  29054100
Hazardous Substances Data 77-99-6(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: > 2500 mg/kg
NFPA 704:
1
0 0

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Trimethylolpropane Chemical Properties,Usage,Production

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