Key Documents

View All Documentation

8.07485

Polyethylene glycol

Name: Polyethylene glycol
Brand: MM

400, for synthesis

Synonym(s):

Poly(ethylene glycol), Polyglycol, Polyethylene oxide, Polyoxy ethylene, PEG 400, PEG

Select a Size

Change View

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

Technical Service

Need help? Our team of experienced scientists is here for you.

Let Us Assist

Properties

vapor pressure

<0.1 hPa ( 20 °C)

Quality Level

200

form

liquid

autoignition temp.

360 °C (DIN 51794)

potency

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

greener alternative product characteristics

Safer Solvents and Auxiliaries
Learn more about the Principles of Green Chemistry.

sustainability

Greener Alternative Product

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

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 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.

Still not finding the right product?

Explore all of our products under Polyethylene glycol

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)

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