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77-99-6

Name Trimethylol propane
CAS 77-99-6
EINECS(EC#) 201-074-9
Molecular Formula C6H14O3
MDL Number MFCD00004694
Molecular Weight 134.17
MOL File 77-99-6.mol

Chemical Properties

Appearance Colorless, hygroscopic crystals. Soluble in water and alcohol. Combustible.
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)
Fp  172 °C
storage temp.  Store below +30°C.
solubility  H2O: 0.1 g/mL, clear
form  Flakes
pka 14.01±0.10(Predicted)
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
Uses
Conditioning agent, manufacture of varnishes, alkyd resins, synthetic drying oils, urethane foams and coatings, silicone lubricant oils, lactone plasticizers, textile finishes, surfactants, epoxidation products.
CAS DataBase Reference 77-99-6(CAS DataBase Reference)
NIST Chemistry Reference 1,3-Propanediol, 2-ethyl-2-(hydroxymethyl)-(77-99-6)
EPA Substance Registry System 77-99-6(EPA Substance)

Safety Data

Safety Statements 
S22:Do not breathe dust .
S24/25:Avoid contact with skin and eyes .
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

Hazard Information

Material Safety Data Sheet(MSDS)

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