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Tetrabutylurea Structure

Tetrabutylurea

Chemical Properties

Melting point -60 °C
Boiling point 163 °C / 12mmHg
Density  0.88
vapor pressure  0.019Pa at 20℃
refractive index  1.4520-1.4560
Flash point 93 °C
pka -0.61±0.70(Predicted)
form  clear liquid
color  Colorless to Light yellow to Light orange
Viscosity 17.6mm2/s
Water Solubility  4.3mg/L at 20℃
LogP 6.2 at 25℃
CAS DataBase Reference 4559-86-8(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 736CY99V47
NIST Chemistry Reference Urea, tetrabutyl-(4559-86-8)
EPA Substance Registry System Urea, tetrabutyl- (4559-86-8)

Safety

Symbol(GHS) GHS hazard pictograms
Signal wordWarning
Hazard statements H227
Precautionary statements P210e-P280a-P370+P378a-P501a-P210-P280-P370+P378-P403+P235-P501
Safety Statements  22-24/25
RTECS  YU2080000
TSCA  Yes
HS Code  2924.19.8000
Toxicity rat,LCLo,inhalation,700mg/m3/4H (700mg/m3),Food and Chemical Toxicology. Vol. 25, Pg. 173, 1987.
NFPA 704:
1
0 0

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