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LC4781 Polyethylene glycol dimethyl ether 250
for synthesis

 

Order number Packaging Quantity Price €
AC31781 Glass bottle 500 ml 37.58

 

Product information
Hill Formula CH3O(CH2CH2O)nCH3
Chemical formula CH3O(CH2CH2O)nCH3
HS Code 3907 20 99
Molar mass 250 g/mol
CAS number 24991-55-7

 

Chemical and physical data
Ignition temperature 210 °C DIN 51794
Solubility (20 °C) soluble
Melting point -23 °C
Molar mass 250 g/mol
Density 1.03 g/cm3 (20 °C)
pH value (100 g/l, H2O, 20 °C) neutral
Boiling point >250 °C
Vapor pressure < – 0.01 hPa (20 °C)
Explosion limit 0.5 %(V)
Flash point 137 °C
Refractive index 1.439 (20 °C, 589 nm)
Viscosity kinematic 7.8 mm2/s (20 °C)

 

Safety information
Storage class 10 Combustible liquids not in Storage Class 3
WGK WGK 1 slightly water endangering
Disposal 3
Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

 

Toxicological data
LD 50 oral LD50 rat 28000 mg/kg

 

Specifications
Hydroxyl value ≤ 2
Density (d 20 °C/ 4 °C) 1.035 – 1.045
Identity (IR) passes test