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1546547

USP

Polyethylene glycol 3350

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

Poly(ethylene glycol), PEG

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About This Item

Linear Formula:
H(OCH2CH2)nOH
CAS Number:
25322-68-3
MDL number:
MFCD00081839
UNSPSC Code:
41116107
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

polyethylene glycol

mol wt

Mw 3015-3685

manufacturer/tradename

USP

application(s)

pharmaceutical (small molecule)

format

neat

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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General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets, has been developed and issued under the Authority of the issuing Pharmacopoeia.

For further information and support please go to the website of the issuing Pharmacopoeia.

Polyethylene Glycol 3350 is an addition polymer of ethylene oxide and water, represented by the formula H(OCH2CH2)nOH, in which n represents the average number of oxyethylene groups. The apparent weight-average molecular weight is 3015–3685 g/mol (Da).

Application

It is intended to be used as a USP reference standard in specified quality tests and assays.
Also used to prepare standard solutions for the assay and identification tests using liquid chromatography (LC) as described in the following United States Pharmacopeia (USP) monographs:
  • Polyethylene Glycol 3350
  • Polyethylene Glycol 3350 and Electrolytes for Oral Solution

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

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Storage Class

11 - Combustible Solids

wgk_germany

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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Polyethylene Glycol 3350
USP43-NF38: United States Pharmacopeia and National Formulary
United States Pharmacopeia, 41(4), 3584-3584 (2020)

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