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Methoxypolyethylene glycols

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Methoxypolyethylene glycols

EINECS 215-801-2
CAS No. 9004-74-4 Density 1.08
Solubility H2O: 50 mg/mL at 25 °C, clear, colorless Melting Point 60-64 °C
Formula (C2H4 O)n C H4 O Boiling Point 124.4 °C at 760 mmHg
Molecular Weight 3985 - 6290 Flash Point 268 ºC
Transport Information Appearance Fine, white ? akes
Safety 24/25-22 Risk Codes
Molecular Structure Molecular Structure of 9004-74-4 (Poly(oxy-1,2-ethanediyl),a-methyl-w-hydroxy-) Hazard Symbols

Pluriol A 2030E;Pluriol A 275E;Pluriol A 350E;Pluriol A 500;Pluriol A 500E;Pluriol A 5010E;Pluriol A 750E;Pluriol A 750I;Poly(ethylene oxide) monomethyl ether;Polyethylene glycolmethyl ether;Polyethylene glycol monoether with methyl diglycol;Polyethyleneglycol monomethyl ether;Polyglycol M 1000;Polyglycol M 2000;Polyglycol M2000S;Polyglycol M 350;Polyglycol M 500;Polyglycol M 5000;Polyglycol M5000S;Polyglycol M 750;Polyoxyethylene monomethyl ether;Sanfine MM 2000;SunBright MEH 50H;Sunbright MEH 20T;Toho Me-PEG 1000;Toho Me-PEG 400;UnioxM 1000;Uniox M 2000;Uniox M 400;Uniox M 4000;Uniox M 550;a-Methyl-w-hydroxypoly(oxy-1,2-ethanediyl);Glycols,polyethylene, monomethyl ether (8CI);2,5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50-Heptadecaoxadopentacontan-52-ol;Bikanol M 3,4;Breox MPEG 550;CP 2000;CP 2000 (polyoxyalkylene);Carbowax2000;Carbowax 350;Carbowax 5000;Carbowax 550;Carbowax 750;Carbowax 750ME;Carbowax MPEG 450;Carbowax MPEG 5000;Conion MP 220;Ethylene oxide-methanoladduct;GN 8384;Hymol PM;Leosolb PEM 700N;M 550;M 750;MPEG;MPEG 1000;MPEG 10000;MPEG 2000;MPEG 2000HQ;MPEG 350;MPEG 500;MPEG 5000;MPEG 550;MPEG 700;MPEG 750;MPEG 950;MPG 025;MPG 081;MPG 130;MPG 130H;MPG140;Marlipal 1/12;Me-PEG 400;Methoxy PEG 1000;Methoxy PEG 400;Methoxy PEG4000;Methoxypoly(ethylene glycol);Methyl polyglycol;Monomethoxypoly(ethylene oxide);Monomethoxypolyethylene glycol;Monomethoxypolyoxyethylene;Nissan Uniol 1000;Nissan Uniol 550;Nissan Uniox M1000;Nissan Uniox M 2000;Nissan Uniox M 400;Nissan Uniox M 4000;NissanUniox M 500;Nissan Uniox M 550;Nissan Uniox M 600;O-Methoxypolyethyleneglycol;PEG-MME;PEM 700N;Pluriol 350E;Pluriol 500;Pluriol 750;Pluriol A1000E;Pluriol A 2000;Pluriol A 2000E;SINOPOL MPEG1000;Methoxy polyethylene glycol;


Methoxypolyethylene glycols Chemical Properties

Molecular Formula: CH3O.(C2H4O)n.H
mp: 60-64 °C
bp: >200°C/760mmHg
density: 1.094 g/mL at 25 °C
vapor density: >1 (vs air)
vapor pressure: 0.05 mm Hg ( 20 °C)
refractive index: n20/D 1.459
Fp: 268 °
solubility: H2O: 50 mg/mL at 25 °C, clear, colorless
form  semisolid
Physical State of METHOXY POLYETHYLENE GLYCOL 750 : Liquid.
Odor of METHOXY POLYETHYLENE GLYCOL 750 : Mild, aromatic.

Methoxypolyethylene glycols Toxicity Data With Reference


skn-rbt 500 mg open MLD

   UCDS**    Union Carbide Data Sheet. (Industrial Medicine and Toxicology Dept., Union Carbide Corp., 270 Park Ave., New York, NY 10017) 4/25 ,1958.

orl-rat LD50:39,800 mg/kg

   34ZIAG    Toxicology of Drugs and Chemicals ,Deichmann, W.B.,New York, NY.: Academic Press, Inc.,1969,747.

Methoxypolyethylene glycols Consensus Reports

Reported in EPA TSCA Inventory.

Methoxypolyethylene glycols Safety Profile

Safety Statements: 24/25-22
WGK Germany: 3
RTECS: PE8271000
F: 3

Mildly toxic by ingestion. A skin irritant. When heated to decomposition it emits acrid smoke and irritating fumes.

Methoxypolyethylene glycols Specification

Conditions to Avoid: Avoid contact with strong oxidizers and all sources of ignition.
Incompatibility with: Oxidizers.
Hazardous Products of Decomposition: Carbon Monoxide and Carbon dioxide. Toxic vapors are generated when heated.
Hazardous Polymerization: Will not occur.
Reactions with Air and Water: Does not react with air or water.

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