Skip to Content
Merck

Key Documents

View All Documentation

8.17006

Polyethylene glycol

4000, powder, EMPROVE® EXPERT, Ph. Eur., NF

Synonym(s):

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

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Linear Formula:
H(OCH2CH2)nOH
CAS Number:
25322-68-3
UNSPSC Code:
13111021
EC Index Number:
500-038-2
MDL number:
MFCD00081839
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

Quality Level

500

agency

NF, Ph. Eur.

vapor pressure

<0.01 hPa ( 20 °C)

product line

EMPROVE® EXPERT

form

powder, solid

autoignition temp.

>320 °C (DIN 51794)

mol wt

average Mn 4000

technique(s)

API processing | nano-milling: suitable

pH

5-7 (20 °C, 100 g/L in H2O)

mp

53-58 °C

transition temp

flash point 270 °C

density

1.2 g/cm3 at 20 °C

application(s)

liquid formulation
pharma/biopharma processes
pharmaceutical
semi-solid formulation
solid formulation
solubility enhancement

shipped in

ambient

storage temp.

15-25°C

SMILES string

C(CO)O

InChI

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

InChI key

LYCAIKOWRPUZTN-UHFFFAOYSA-N

General description

When working on a pharmaceutical formulation, there are specific considerations to make and challenging hurdles to take before you can successfully launch your final drug product - formulation stability, release kinetics and bioavailability limitations just to name a few. With our application know-how and regulatory expertise, we support you in every step of development, scale-up, and production.
As part of our Emprove® Program, our raw materials are offered with extensive documentation facilitating compliance of your pharma and biopharma product, full supply chain transparency and risk mitigation. Our SAFC® portfolio of high-quality products for biopharmaceutical and pharmaceutical formulation and production withstands strict quality control procedures and is produced according to applicable cGMP guidelines.

Application

Polyethylene glycol (PEG) is a multipurpose polymer which can be applied in solid, semi-solid and liquid formulations. Its broad functional spectrum includes e.g. improvement of API solubility, acting as a lubricant for tablet coating, function as a carrier, and many more. Our comprehensive portfolio of PEGs comprises diverse polymer sizes of different molecular weights to meet your specific application and needs.

Legal Information

Emprove is a registered trademark of Merck KGaA, Darmstadt, Germany
SAFC is a registered trademark of Merck KGaA, Darmstadt, Germany

Still not finding the right product?

Explore all of our products under Polyethylene glycol

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

281.5 °F - closed cup

flash_point_c

138.6 °C - closed cup

Stay compliant with GMP using the Emprove® Program

Accelerate qualification, maintain compliance, and save time with Emprove® Dossiers.

Download Dossiers

Note: you will be brought to EmproveSuite.com. Your username and password are separate from SigmaAldrich.com and may differ.

Register for free and access Emprove® Dossiers within minutes. Upgrade your subscription plan to unlock advanced and customized content in the Emprove® Suite

Not finding what you are looking for? Visit the Emprove® Program Help page.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Related Content