POLYOX™ WSR 301 - Specialty

1 of 29 products in this brand
POLYOX™ WSR 301 - Specialty a white powder, is used in gels, osmotic pump tablets, and regular tablets. It offers viscoelasticity, lubricity, and a silky feel, making it suitable for sprayers, tissue, and toweling. It's water-soluble, compatible with polystyrene and polycaprolactone, and non-toxic.

Chemical Name: Polyethylene Glycol, Polyethylene Oxide

Polymer Name: Polyethylene Glycol

CAS Number: 25322-68-3

Chemical Family: Ethylene Oxide Copolymers, Non-Ionics, Polyethers, Polyethylene Glycols, Polyglycols

Synonyms: Polyethylene oxide, Poly(ethylene ether) glycol, Poly(oxyethylene) glycol, Ethylene glycol polymer, Ethylene oxide polymer, α-Hydro-ω-hydroxypoly(oxyethylene), Polyoxyethylenediol, Polyhydroxyethylene, Polyethylene ether glycol

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Enhanced TDS

Identification & Functionality

Features & Benefits

Applications & Uses

Properties

Color (Properties)
Physical Form
Soluble In
Physical Properties
ValueUnitsTest Method / Conditions
pH (at 1% aqueous solution)*8.0 - 10.0-PSM 102175
Composition
ValueUnitsTest Method / Conditions
Silicon Dioxide Conent*0.8 - 3.0%PSM 101992
Butylated Hydroxytoluene Content*100 - 450mg/KgPSM 102192
Specifications
ValueUnitsTest Method / Conditions
Loss on Drying (at 105°C, 45 min)*0.0 - 1.0%PSM 102188
Viscosity (at 25 °C, Brookfield, at 1%, Brookfield RVF, Spindle 2, Speed 2 RPM)1,650 - 5,500mPa.sPSM 101936
Heavy Metals
ValueUnitsTest Method / Conditions
Alkaline Earth Metals*0.0 - 1.0%PSM 102225
Screen Test
ValueUnitsTest Method / Conditions
Screen (< 44 micron, through 325 mesh)*max. 25-PSM 102261
Screen (< 74 micron, through 200 mesh)*max. 35-PSM 102261
Screen (< 149 micron, through 100 mesh)*30 - 75-PSM 102261
Screen (< 250 micron, through 60 mesh)*60 - 85-PSM 102261
Screen (< 840 micron, through 20 mesh)*min. 95%PSM 102261
Screen (< 2000 micron, through 10 mesh)*min. 100-PSM 102261
Note

*NF and Ph. Eur. ID tests; “A” and “B” on a quarterly basis. ID tests “C” (NF and Ph. Eur.) and “D” (Ph.Eur.) will be completed by exception only.

Regulatory & Compliance

Packaging & Availability

Packaging Type