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Sigma-Aldrich

Polyethylene glycol

1000, for synthesis

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Synonym(s):
Poly(ethylene glycol), Polyethylene glycol 1000, Polyglycol, Polyethylene oxide, Polyoxy ethylene, PEG 1000, PEG
Linear Formula:
H(OCH2CH2)nOH
CAS Number:
25322-68-3
MDL number:
MFCD00081839
UNSPSC Code:
13111021
EC Index Number:
500-038-2
NACRES:
NA.22

vapor pressure

<0.1 hPa ( 20 °C)

Quality Level

200

form

liquid

autoignition temp.

420 °C

potency

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

pH

4-7 (20 °C, 100 g/L in H2O)

mp

33-40 °C

transition temp

flash point 260 °C

density

1.2 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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Application

Polyethylene glycol 1000 for synthesis. CAS 25322-68-3, pH 4 - 7 (100 g/l, H₂O, 20 °C).

Analysis Note

Melting range (lower value): ≥ 33 °C
Melting range (upper value): ≤ 40 °C
Hydroxyl value: 107 - 118
Average molecular mass: 950 - 1050
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 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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