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8.07483

Sigma-Aldrich

Polyethylene glycol

200, for synthesis

Synonym(s):

Poly(ethylene glycol), Polyglycol, Polyethylene oxide, Polyoxy ethylene, PEG 200, PEG

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About This Item

Linear Formula:
H(OCH2CH2)nOH
CAS Number:
MDL number:
UNSPSC Code:
13111021
EC Index Number:
500-038-2
NACRES:
NA.22

vapor pressure

<0.01 hPa ( 20 °C)

Quality Level

form

liquid

autoignition temp.

350 °C (DIN 51794)

potency

28000 mg/kg LD50, oral (Rat)
>20000 mg/kg LD50, skin (Rabbit)

pH

5-7 (20 °C, 100 g/L in H2O)

bp

>150 °C

mp

-50 °C

transition temp

flash point 180 °C

solubility

soluble 70 g/L

density

1.124 g/cm3 at 20 °C

storage temp.

no temp limit

SMILES string

C(CO)O

InChI

1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2

InChI key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

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Application

Polyethylene glycol 200 can be used as:
  • A structure-directing agent to synthesize iron vanadate (FeVO4) nanoparticles via co-precipitation method.
  • An organic additive to prepare crystalline nanorods of calcium tungstate (CaWO4) using calcium chloride and sodium tungstate via solvothermal process.
  • A surface modifier in the synthesis of calcium peroxide nanoparticles using CaCl2 as a precursor via hydrolysis-precipitation method.
  • A green solvent in combination with H2O in the preparation of 4-sulfanylcoumarins by sulfanylation of 4-tosyloxycoumarins with thiourea and alkyl halides.

Analysis Note

Density (d 20 °C/ 4 °C): 1.124 - 1.126
Hydroxyl value: 535 - 590
Average molecular mass: 190 - 210
Identity (IR): passes test

Storage Class Code

10 - Combustible liquids

WGK

WGK 1

Flash Point(F)

281.5 °F - closed cup

Flash Point(C)

138.6 °C - closed cup


Certificates of Analysis (COA)

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Synthesis of 4-Sulfanylcoumarins Using Thiourea and Alkyl Halides as the Sulfanylation Agent in Polyethylene Glycol-Water
Yin Zhenlan, et al.
Synthesis, 45(06), 759-766 (2013)
J Khodaveisi et al.
Journal of hazardous materials, 192(3), 1437-1440 (2011-08-09)
Chemical oxidation is one of the many different methods of site remediation that has emerged lately as an alternative method to traditional techniques. According to this research calcium peroxide is suitable choice for contaminant biodegradation in soil and ground water
Synthesis and characterization of FeVO4 nanoparticles
Nithya VD, et al.
Materials Research Bulletin, 46(10), 1654-1658 (2011)
Solvothermal synthesis and characterization of crystalline CaWO4 nanoparticles
Chen S-J, et al.
Journal of Crystal Growth, 253(1-4), 361-365 (2003)

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