Skip to Content
MilliporeSigma
All Photos(1)

Key Documents

8.14173

Sigma-Aldrich

Polyethylene glycol dimethyl ether 250

for synthesis

Synonym(s):

Polyethylene glycol dimethyl ether 250

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
CH3O(CH2CH2O)nCH3
CAS Number:
MDL number:
UNSPSC Code:
12352112
NACRES:
NA.05

vapor pressure

<1 Pa ( 20 °C)

Quality Level

form

liquid

autoignition temp.

210 °C (DIN 51794)

potency

>2000 mg/kg LD50, oral (Rat)

expl. lim.

0.5 % (v/v)

kinematic viscosity

7.8 cSt(20 °C)

bp

241 °C

mp

-23 °C

transition temp

flash point 135 °C

density

1.03 g/cm3 at 20 °C

storage temp.

2-30°C

InChI

1S/C4H10O2/c1-5-3-4-6-2/h3-4H2,1-2H3

InChI key

XTHFKEDIFFGKHM-UHFFFAOYSA-N

Application

Polyethylene glycol dimethyl ether 250 for synthesis. CAS 24991-55-7, chemical formula CH₃O(CH₂CH₂O)nCH₃.

Analysis Note

Hydroxyl value: ≤ 30
Density (d 20 °C/ 4 °C): 1.028 - 1.038
Identity (IR): passes test

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

275.0 °F

flash_point_c

135 °C


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service