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Triethyleneglycoldimethylether
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Name

Triethyleneglycoldimethylether

 EINECS 203-977-3
CAS No. 112-49-2 Density 0.958 g/cm3
PSA 36.92000 LogP 0.31240
Solubility soluble in water Melting Point - 45 °C(lit.)
Formula C8H18O4 Boiling Point 216 °C at 760 mmHg
Molecular Weight 178.229 Flash Point 110.6 °C
Transport Information N/A Appearance Clear colorless liquid with a mild ethereal odor
Safety 53-45 Risk Codes 61-19-62
Molecular Structure Molecular Structure of 112-49-2 (TRIETHYLENE GLYCOL DIMETHYL ETHER) Hazard Symbols ToxicT
Synonyms

Hisolve MTM;Methyltriglyme;NSC 66400;Triethylene glycol dimethyl ether;2,5,8,11-Tetraoxadodecane;1,2-Bis(2-methoxyethoxy)ethane;Ethane, 1,2-bis(2-methoxyethoxy)-;DMTG;Glyme 4;1-Methoxy-2-[2-(2-methoxyethoxy)ethoxy]ethane;

Article Data 15

Triethyleneglycoldimethylether Synthetic route

(2,5-dioxahexylsulfonyl)benzene

112-49-2

Triethylene glycol dimethyl ether

Conditions
ConditionsYield
With sodium amalgam In benzene Heating;79%
111-77-3

2-(2-methoxyethoxy)ethyl alcohol

A

110-71-4

1,2-dimethoxyethane

B

112-49-2

Triethylene glycol dimethyl ether

C

109-86-4

2-methoxy-ethanol

D

111-96-6

diethylene glycol dimethyl ether

Conditions
ConditionsYield
5%-palladium/activated carbon; nickel at 220℃; under 2250.23 Torr; for 10h;A 75%
B 2%
C 10%
D 11%
77-78-1

dimethyl sulfate

112-27-6

2,2'-[1,2-ethanediylbis(oxy)]bisethanol

A

112-35-6

triethylene glucol monomethyl ether

B

112-49-2

Triethylene glycol dimethyl ether

Conditions
ConditionsYield
Stage #1: 2,2'-[1,2-ethanediylbis(oxy)]bisethanol With sodium hydroxide at 55 - 60℃; for 0.166667h;
Stage #2: dimethyl sulfate at 55 - 60℃; for 6h;		A 33%
B n/a
86220-16-8

1,1,2,2-tetrakis-(2-methoxy-ethoxy)-ethane

112-49-2

Triethylene glycol dimethyl ether

Conditions
ConditionsYield
With nickel at 215 - 270℃; Hydrogenation.unter Druck;
74-88-4

methyl iodide

112-27-6

2,2'-[1,2-ethanediylbis(oxy)]bisethanol

112-49-2

Triethylene glycol dimethyl ether

Conditions
ConditionsYield
(i) TlOEt, benzene, (ii) /BRN= 969135/, MeCN; Multistep reaction;
With thallium (I) ethoxide 1) MeCN, r.t., 2) MeCN, 20 deg C, 14 h; Yield given. Multistep reaction;

C8H18O4*C3H9N*H(1+)

A

112-49-2

Triethylene glycol dimethyl ether

B

145384-53-8

trimethylammonium

Conditions
ConditionsYield
Thermodynamic data; enthalpy and entropy changes for the complex dissociation reaction: ΔH0D, ΔS0D;

C8H18O4*C6H13N*H(1+)

A

29384-28-9

cyclohexyl-ammonium cation

B

112-49-2

Triethylene glycol dimethyl ether

Conditions
ConditionsYield
Thermodynamic data; enthalpy and entropy changes for the complex dissociation reaction: ΔH0D, ΔS0D;

C8H18O4*C5H5N*H(1+)

A

16969-45-2

pyridin-1-ium

B

112-49-2

Triethylene glycol dimethyl ether

Conditions
ConditionsYield
Thermodynamic data; enthalpy and entropy changes for the complex dissociation reaction: ΔH0D, ΔS0D;

C8H18O4*C4H4N2*H(1+)

A

112-49-2

Triethylene glycol dimethyl ether

B

17009-97-1

1,2-diazineH+

Conditions
ConditionsYield
Thermodynamic data; enthalpy and entropy changes for the complex dissociation reaction: ΔH0D, ΔS0D;

C8H18O4*C4H12N(1+)

A

112-49-2

Triethylene glycol dimethyl ether

B

51-92-3

tetramethylammonium

Conditions
ConditionsYield
Thermodynamic data; by a 1-ms pulse of 500-1000 eV;

Triethyleneglycoldimethylether Specification

The Triethyleneglycoldimethylether with CAS registry number of 112-49-2 is also known as 2,5,8,11-Tetraoxadodecane. The IUPAC name is 1-Methoxy-2-[2-(2-methoxyethoxy)ethoxy]ethane. It belongs to product categories of Functional Materials; Plasticizer; Polyalcohol Ethers, Esters (Plasticizer). Its EINECS registry number is 203-977-3. In addition, the formula is C8H18O4 and the molecular weight is 178.23. This chemical is a clear colorless liquid with a mild ethereal odor that at low levels causes damage to health. It is miscible with water and hydrocarbon solvents that should be sealed in cool, dry place with good ventilation system away from fire, oxidants. What's more, this chemical is used as solvent, specialty plasticizer.

Physical properties about Triethyleneglycoldimethylether are: (1)ACD/BCF (pH 5.5): 1; (2)ACD/BCF (pH 7.4): 1; (3)ACD/KOC (pH 5.5): 5.6; (4)ACD/KOC (pH 7.4): 5.6; (5)#H bond acceptors: 4; (6)#H bond donors: 0; (7)#Freely Rotating Bonds: 9; (8)Index of Refraction: 1.409; (9)Molar Refractivity: 46.09 cm3; (10)Molar Volume: 186 cm3; (11)Surface Tension: 28.3 dyne/cm; (12)Density: 0.958 g/cm3; (13)Flash Point: 110.6 °C; (14)Enthalpy of Vaporization: 43.39 kJ/mol; (15)Boiling Point: 216 °C at 760 mmHg; (16)Vapour Pressure: 0.21 mmHg at 25 °C.

Preparation of Triethyleneglycoldimethylether: it is prepared by reaction of (2,5-dioxahexylsulfonyl)benzene. The reaction needs reagent powdered sodium amalgam and solvent benzene with other condition of heating. The yield is about 79 %.

Triethyleneglycoldimethylether is prepared by reaction of (2,5-dioxahexylsulfonyl)benzene.

Uses of Triethyleneglycoldimethylether: it is used to produce perfluoro-Triethyleneglycoldimethylether. The reaction occurs with reagent F2 at the temperature of -20 - 0 °C. The yield is about 30 %.

Triethyleneglycoldimethylether is used to produce perfluoro-Triethyleneglycoldimethylether.

When you are using this chemical, please be cautious about it. As a chemical, it may cause harm to the unborn child and may form explosive peroxides. Besides, there is possible risk of impaired fertility. Obtain special instructions before use. In case of accident or if you feel unwell seek medical advice immediately.

You can still convert the following datas into molecular structure:
1. Canonical SMILES: COCCOCCOCCOC
2. InChI: InChI=1S/C8H18O4/c1-9-3-5-11-7-8-12-6-4-10-2/h3-8H2,1-2H3
3. InChIKey: YFNKIDBQEZZDLK-UHFFFAOYSA-N

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat TDLo intraperitoneal 4456mg/kg/10D (4456mg/kg)   National Technical Information Service. Vol. OTS0543414,

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