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Triethylene glycol dimethyl ether CAS 112-49-2

Triethylene glycol dimethyl ether is a colorless and transparent liquid at room temperature and pressure. Triethylene glycol dimethyl ether is a polyether compound, which is prone to produce oxygen free radicals after a long period of time, in order to be safe, it is often used to add some free radical inhibitors, such as BHT, etc., into the reaction system, and is often used as a raw material for chemical industry and as a solvent for reaction.
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  • 112-49-2

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  • 112-49-2

Triethylene glycol dimethyl ether Basic information
Product Name: Triethylene glycol dimethyl ether
CAS: 112-49-2
MF: C8H18O4
MW: 178.23
EINECS: 203-977-3
Mol File: 112-49-2.mol
Triethylene glycol dimethyl ether Chemical Properties
Melting point  −45 °C(lit.)
Boiling point  216 °C(lit.)
density  0.986 g/mL at 25 °C(lit.)
vapor density  >4.7 (vs air)
vapor pressure  1.2 hPa (20 °C)
refractive index  n20/D 1.423(lit.)
Fp  231 °F
storage temp.  Store below +30°C.
solubility  >1000g/l soluble
form  Liquid
color  APHA: ≤20
PH 7
explosive limit 0.7%(V)
Water Solubility  Soluble
Sensitive  Hygroscopic
Merck  149,692
BRN  1700630
Dielectric constant 7.5
InChIKey YFNKIDBQEZZDLK-UHFFFAOYSA-N
LogP -0.52 at 20℃
Surface tension 27.56mN/m at 298.15K
CAS DataBase Reference 112-49-2(CAS DataBase Reference)
NIST Chemistry Reference 2,5,8,11-Tetraoxadodecane(112-49-2)
EPA Substance Registry System Triethylene glycol dimethyl ether (112-49-2)

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