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143-24-8

Basic Information
CAS No.: 143-24-8
Name: Tetraethylene glycol dimethyl ether
Molecular Structure:
Molecular Structure of 143-24-8 (Tetraethylene glycol dimethyl ether)
Formula: C10H22O5
Molecular Weight: 222.32
Synonyms: AnsulEther 181AT;Bis[2-(2-methoxyethoxy)ethyl] ether;Dimethoxytetraethyleneglycol;Dimethoxytetraglycol;Ether,bis[2-(2-methoxyethoxy)ethyl];Glyme 5;Hisolve MTEM;Methyltetraglyme;Nissan Uniox MM 200;TEGDME;2,5,8,11,14-Pentaoxapentadecane;Tetraglyme;
EINECS: 205-594-7
Density: 0.986 g/cm3
Melting Point: -30 °C(lit.)
Boiling Point: 275.3 °C at 760 mmHg
Flash Point: 140.6 °C
Solubility: soluble in water
Appearance: clear liquid
Hazard Symbols: IrritantXi
Risk Codes: 19-43
Safety: 36-24
Transport Information:
PSA: 46.15000
LogP: 0.32900
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  • Tetraethylene glycol dimethyl ether

  • Casno:

    143-24-8

    Tetraethylene glycol dimethyl ether

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  • Best Quality Tetraethylene Glycol Dimethyl Ether

  • Casno:

    143-24-8

    Best Quality Tetraethylene Glycol Dimethyl Ether

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    Product name: Tetraethylene Glycol Dimethyl Ether CAS No.:143-24-8 Molecule Formula:C10H22O5 Molecule Weight:222.28 Purity: 99.0% Package: 190kg/drum Description:Colorless clean liquid Manufacture Standards:Enterprise Standard

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Chemistry

Molecular Structure of 2,5,8,11,14-Pentaoxapentadecane (CAS NO.143-24-8):

IUPAC Name: 1-(2-Methoxyethoxy)-2-[2-(2-methoxyethoxy)ethoxy]ethane
Molecular Formula: C10H22O5
Formula Weight: 222.28
Empirical Formula: C10H22O5
Molecular Weight: 222.2787
H bond acceptors: 5
H bond donors: 0
#Freely Rotating Bonds: 12
Polar Surface Area: 46.15 Å2
Index of Refraction: 1.42
Molar Refractivity: 57.1 cm3
Molar Volume: 225.4 cm3
Surface Tension: 30.1 dyne/cm
Density: 0.986 g/cm3
Flash Point: 140.6 °C
Enthalpy of Vaporization: 49.31 kJ/mol
Boiling Point: 275.3 °C at 760 mmHg
Vapour Pressure: 0.00862 mmHg at 25°C
Melting Point: -30 °C(lit.)
Water Solubility: Soluble
InChI
InChI=1/C10H22O5/c1-11-3-5-13-7-9-15-10-8-14-6-4-12-2/h3-10H2,1-2H3
Smiles
O(CCOCCOC)CCOCCOC
Classification Code: Reproductive Effect; Skin / Eye Irritant

Toxicity Data With Reference

1.    

eye-rbt 500 mg

    AJOPAA    American Journal of Ophthalmology. 29 (1946),1363.
2.    

orl-rat LD50:5140 mg/kg

    JIHTAB    Journal of Industrial Hygiene and Toxicology. 23 (1941),259.

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Mildly toxic by ingestion. Experimental reproductive effects. An eye irritant. Many glycol ethers are suspected of having dangerous human reproductive effects. When heated to decomposition it emits acrid smoke and irritating fumes. See also Glycol ethers.
Hazard Codes: IrritantXi
Risk Statements: 19: May form explosive peroxides
43: May cause sensitization by skin contact 
Safety Statements: 36: Wear suitable protective clothing
24: Avoid contact with skin 
WGK Germany: 1
RTECS: SB0400000

Specification

  2,5,8,11,14-Pentaoxapentadecane , with CAS number of 143-24-8, can be called Tetraethylene glycol dimethyl ether ; Ether,bis(2-(2-methoxyethoxy)ethyl) ; 1,11-dimethoxy-3,6,9-trioxa-undecane ; Ether, bis[2-(2-methoxyethoxy)ethyl] . 2,5,8,11,14-Pentaoxapentadecane (CAS NO.143-24-8) is a colorless clear liquid and should store in a cool dry place. It is air sensitive.