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8.07490

Polyethylene glycol

Name: Polyethylene glycol
Brand: MM

4000, for synthesis

Synonym(s):

Poly(ethylene glycol), Polyethylene glycol 4000, Polyglycol, Polyethylene oxide, Polyoxy ethylene, PEG 4000, PEG

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About This Item

Linear Formula:

H(OCH₂CH₂)_nOH

CAS Number:

25322-68-3

NACRES:

NA.22

EC Index Number:

500-038-2

UNSPSC Code:

13111021

MDL number:

MFCD00081839

Form:

solid

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Properties

vapor pressure

<0.01 hPa ( 20 °C)

Quality Level

200

form

solid

autoignition temp.

>320 °C (DIN 51794)

potency

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

greener alternative product characteristics

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pH

5-7 (20 °C, 100 g/L in H₂O)

mp

53-58 °C

transition temp

flash point 270 °C

solubility

500 g/L

density

1.2 g/cm³ at 20 °C

bulk density

400‑500 kg/m³

greener alternative category

Aligned

storage temp.

2-30°C

InChI

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

InChI key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

Description

General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Green Chemistry. Polyethylene glycol (PEG) is an eco-friendly, biodegradable polymer widely used in pharmaceuticals and cosmetics. Its non-toxic nature and versatility make it a sustainable choice, derived from renewable resources, contributing to greener product formulations. Click here for more information.

Application

Polyethylene glycol 4000 for synthesis. CAS No. 25322-68-3, EC Number 500-038-2.

Analysis Note

Hydroxyl value: 25 - 32
Melting range (lower value): ≥ 58 °C
Melting range (upper value): ≤ 62 °C
Average molecular mass: 3500 - 4500
Identity (IR): passes test

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Storage Class

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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