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CAS No.: | 112-49-2 |
---|---|
Name: | TRIETHYLENE GLYCOL DIMETHYL ETHER |
Article Data: | 15 |
Molecular Structure: | |
Formula: | C8H18O4 |
Molecular Weight: | 178.229 |
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; |
EINECS: | 203-977-3 |
Density: | 0.958 g/cm3 |
Melting Point: | - 45 °C(lit.) |
Boiling Point: | 216 °C at 760 mmHg |
Flash Point: | 110.6 °C |
Solubility: | soluble in water |
Appearance: | Clear colorless liquid with a mild ethereal odor |
Hazard Symbols: | T |
Risk Codes: | 61-19-62 |
Safety: | 53-45 |
PSA: | 36.92000 |
LogP: | 0.31240 |
Triethylene glycol dimethyl ether
Conditions | Yield |
---|---|
With sodium amalgam In benzene Heating; | 79% |
2-(2-methoxyethoxy)ethyl alcohol
A
1,2-dimethoxyethane
B
Triethylene glycol dimethyl ether
C
2-methoxy-ethanol
D
diethylene glycol dimethyl ether
Conditions | Yield |
---|---|
5%-palladium/activated carbon; nickel at 220℃; under 2250.23 Torr; for 10h; | A 75% B 2% C 10% D 11% |
dimethyl sulfate
2,2'-[1,2-ethanediylbis(oxy)]bisethanol
A
triethylene glucol monomethyl ether
B
Triethylene glycol dimethyl ether
Conditions | Yield |
---|---|
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 |
1,1,2,2-tetrakis-(2-methoxy-ethoxy)-ethane
Triethylene glycol dimethyl ether
Conditions | Yield |
---|---|
With nickel at 215 - 270℃; Hydrogenation.unter Druck; |
methyl iodide
2,2'-[1,2-ethanediylbis(oxy)]bisethanol
Triethylene glycol dimethyl ether
Conditions | Yield |
---|---|
(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; |
Conditions | Yield |
---|---|
Thermodynamic data; enthalpy and entropy changes for the complex dissociation reaction: ΔH0D, ΔS0D; |
Conditions | Yield |
---|---|
Thermodynamic data; enthalpy and entropy changes for the complex dissociation reaction: ΔH0D, ΔS0D; |
Conditions | Yield |
---|---|
Thermodynamic data; enthalpy and entropy changes for the complex dissociation reaction: ΔH0D, ΔS0D; |
Conditions | Yield |
---|---|
Thermodynamic data; enthalpy and entropy changes for the complex dissociation reaction: ΔH0D, ΔS0D; |
Conditions | Yield |
---|---|
Thermodynamic data; by a 1-ms pulse of 500-1000 eV; |
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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 %.
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 %.
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, |