PEG 300 (POLYETHYLENE GLYCOL)

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Product Description

Polyethylene glycol (PEG) is a polyether compound with many applications from industrial manufacturing to medicine. PEG is also known as polyethylene oxide (PEO) or polyoxyethylene (POE), depending on its molecular weight. The structure of PEG is commonly expressed as H−(O−CH2−CH2)n−OH.

 

PRODUCT SPECIFICATIONS:

Synthesis grade

HO(C2H4O) nH

M = 300 g/mol

CAS [25322-68-3]

identity (IR-spectrum) –  passes test

density (20 /4 ) 1,125 – 1,127

mean molar mass – 285 – 315

hydroxyl number – 356 – 394

 

Physical data 

• Form: thick liquid
• Density: 1,13 g/cm3
• Solub. in water (20 ºC): freely miscible
• Melting point: -15 – -10 ºC
• Flash point: 220 ºC
• Ignition temp.: 370 ºC
• Vapour pressure: (20 ºC) < 0,1 hPa
• pH (100 g/l H2O, 20 ºC) 4 – 7

Toxicological data

• LD 50 (oral, rat): > 15000 mg/kg
• MAK: 1000 mg/m3 • WGK: 1

Transport/storage

• LGK: 10-13
• Disposal: 1

Applications

synthesis of organic products, in food industry, cosmetics