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
