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8.07485

Sigma-Aldrich

Polyethylene glycol

400, for synthesis

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Synonym(s):
Poly(ethylene glycol), Polyglycol, Polyethylene oxide, Polyoxy ethylene, PEG 400, PEG
Linear Formula:
H(OCH2CH2)nOH
CAS Number:
MDL number:
EC Index Number:
500-038-2

vapor pressure

<0.1 hPa ( 20 °C)

Quality Level

form

liquid

autoignition temp.

360 °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)

kinematic viscosity

97-110 cSt(20 °C)

mp

5 °C

transition temp

flash point >200 °C

density

1.13 g/cm3 at 20 °C

storage temp.

2-30°C

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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This Item
8.074838.074908.07486
vibrant-m

8.07485

Polyethylene glycol

vibrant-m

8.07483

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vibrant-m

8.07490

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vibrant-m

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form

liquid

form

liquid

form

solid

form

liquid

density

1.13 g/cm3 at 20 °C

density

1.124 g/cm3 at 20 °C

density

1.2 g/cm3 at 20 °C

density

1.13 g/cm3 at 20 °C

mp

5 °C

mp

-50 °C

mp

53-58 °C

mp

17-22 °C

transition temp

flash point >200 °C

transition temp

flash point 180 °C

transition temp

flash point 270 °C

transition temp

flash point 260 °C

storage temp.

2-30°C

storage temp.

no temp limit

storage temp.

2-30°C

storage temp.

no temp limit

Application

Polyethylene glycol 400 for synthesis. CAS 25322-68-3, pH 5 - 7 (100 g/l, H₂O, 20 °C).

Analysis Note

Density (d 20 °C/ 4 °C): 1.124 - 1.126
Hydroxyl value: 267 - 295
Average molecular mass: 380 - 420
Identity (IR): passes test
Due to its specific melting range the product may be solid, liquid, a solidified melt or a supercooled melt.

Storage Class

10 - Combustible liquids

wgk_germany

WGK 1

flash_point_f

281.5 °F - closed cup

flash_point_c

138.6 °C - closed cup


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Related Content

Polyethylene glycol (PEG), also sometimes referred to as polyethylene oxide (PEO), is a condensation polymer of ethylene oxide and water that has several chemical properties that make it useful for biological, chemical and pharmaceutical applications.

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