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8.14173

Polyethylene glycol dimethyl ether 250

for synthesis

Synonym(s):

Polyethylene glycol dimethyl ether 250

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Size/SKUAvailabilityPrice
500 mL
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$140.00

About This Item

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

$140.00


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vapor pressure

<1 Pa ( 20 °C)

Quality Segment

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

SMILES string

O(CCOC)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

WGK 1

Flash Point (°F)

275.0 °F - closed cup

Flash Point (°C)

135 °C - closed cup



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Questions

  1. Wie hoch ist die Molmasse? Unter Abschnitt 3.1 ist diese mit 4.000 g/mol angegeben. Der Name "Polyethylene glycol dimethyl ether 250" lässt allerdings auf eine Molmasse von 250 schließen. Bitte um kurze Rückmeldung!

    1 answer
    1. The correct molecular weight is 250 g/mol.

      Helpful?

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