112-50-5

Name Triethylene glycol monoethyl ether
CAS 112-50-5
EINECS(EC#) 203-978-9
Molecular Formula C8H18O4
MDL Number MFCD00020605
Molecular Weight 178.23
MOL File 112-50-5.mol
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Chemical Properties

Appearance Odorless colorless liquid. Sinks and mixes with water.
Melting point  -19°C(lit.)
Boiling point  256 °C(lit.)
density  1.020 g/mL at 25 °C(lit.)
vapor pressure  1.15Pa at 19.85℃
refractive index  n20/D 1.438(lit.)
Fp  >230 °F
Auto Ignition Temp 530°F
Evaporation Rate <0.01
Solubility 100 (@20°C)
Specific Gravity 1.023 (20/20°C)
Specific Heat 1.78 J/g/°C (@25°C)
Vapor Pressure <0.01 mmHg (@20°C)
solubility  Completely miscible in water
form  clear liquid
pka 14.36±0.10(Predicted)
color  Colorless to Almost colorless
Water Solubility  1.02g/L at 20℃
BRN  1700466
Henry's Law Constant 2.1×108 mol/(m3Pa) at 25℃, HSDB (2015)
Reactivity Profile ETHOXY TRIGLYCOL(112-50-5) is a ethoxy-alcohol derivative. The ether being relatively unreactive. Flammable and/or toxic gases are generated by the combination of alcohols with alkali metals, nitrides, and strong reducing agents. They react with oxoacids and carboxylic acids to form esters plus water. Oxidizing agents convert alcohols to aldehydes or ketones. Alcohols exhibit both weak acid and weak base behavior. They may initiate the polymerization of isocyanates and epoxides.
InChI 1S/C8H18O4/c1-2-10-5-6-12-8-7-11-4-3-9/h9H,2-8H2,1H3
InChIKey WFSMVVDJSNMRAR-UHFFFAOYSA-N
SMILES CCOCCOCCOCCO
LogP -0.6 at 20℃
Uses
Chemical intermediate.
CAS DataBase Reference 112-50-5(CAS DataBase Reference)
NIST Chemistry Reference Ethanol, 2-[2-(2-ethoxyethoxy)ethoxy]-(112-50-5)
EPA Substance Registry System 112-50-5(EPA Substance)
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Safety Data

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H319
Precautionary statements  P264-P280-P305+P351+P338-P337+P313P
WGK Germany  -
RTECS  KK8950000
F  10-23
TSCA  TSCA listed
REACH Registrations Active
HS Code  29094990
Storage Class 10 - Combustible liquids
Safety Profile
Mildly toxic by ingestion and slm contact. An eye irritant. Combustible when exposed to heat or flame; can react with oxidizing materials. Tofight fire, use foam, alcohol foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes. See also GLYCOL ETHERS.
Hazardous Substances Data 112-50-5(Hazardous Substances Data)
Toxicity
guinea pig,LD50,oral,3070mg/kg (3070mg/kg),Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 47(5), Pg. 84, 1982.

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