Macrogol 400

USP/NF, EP (Tested for Endotoxin & Microbes)

CAS #:

25322-68-3

Molecular Formula:

H–(OCH2CH2)n–OH

Synonym:

Poly(oxy-1,2-ethanediyl),.alpha.-hydro-.omega.-hydroxy-Ethoxylated 1,2-ethanediol, Ethylene glycol homopolymer, Ethyleneoxidepolymer, Poly(ethylene ether) glycol, Poly(oxyethylene) glycol,Polyethylene glycol, Polyethylene oxide

Molecular Weight:

400 (380-420) g/mol

Overview

Polyethylene Glycol 400, NF acts as a lubricant, coating the surfaces in aqueous and non-aqueous environments.

Characters Unit Specification
Appearance clear, viscous, colourless or almost colourless hygroscopic liquid
Identification complies
Appearance of solution complies
Acidity or alkalinity ml 0,1M NaOH max. 0,1
Viscosity range(USP/NF) cSt 6,8 – 8,0
Hydroxyl value(calculated on 1,9g) 264 - 300
Ethylene oxide ppm max. 1
1,4 – dioxane ppm max. 10
Sum of Ethylene glycol and Diethylene glycol % max. 0,25
pH value (5% aqu.) 4,5 – 7,5
Reducing substances complies
Formaldehyde ppm max. 30
Heavy metals ppm max. 20
Sulphated ash % max. 0,2
Average molecular weight % 95,0 – 105,0
Total areobic microbial count cfu/g max. 100
Total yeasts and moulds count cfu/g max. 50
E.coli cfu/g absent in 1g
Pseudomonas aeruginosa cfu/g absent in 1g
Staphylococcus aureus cfu/g absent in 1g
Salmonella cfu/g absent in 25g
Bacterial endotoxin I.U./g max. 2,5

Shelf Life/Retest Date: Macrogol 400 can be kept for at least 2 years if stored under recommended conditions.

Storage/Shipping Conditions:

  • Keep container tightly closed in a dry and well-ventilated place.
  • Store at room temperature in the original container.
  • Store under nitrogen.
  • Flushed with nitrogen.
  • Store away from incompatible materials.

Pack Sizes: 5 Kg

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