8.14173

Polyethylene glycol dimethyl ether 250

for synthesis

• Synonym(s): Polyethylene glycol dimethyl ether 250
• Linear Formula: CH₃O(CH₂CH₂O)_nCH₃
• CAS Number: 24991-55-7
• MDL number: MFCD00147972
• UNSPSC Code: 12352112
• NACRES: NA.05

Properties

• vapor pressure: <1 Pa ( 20 °C)
• Quality Level: 200
• form: liquid
• autoignition temp.: 210 °C (DIN 51794)
• potency: >2000 mg/kg LD₅₀, oral (Rat)
• expl. lim.: 0.5 % (v/v)
• kinematic viscosity: 7.8 cSt(20 °C)
• bp: 241 °C
• mp: -23 °C
• transition temp: flash point 135 °C
• density: 1.03 g/cm³ at 20 °C
• storage temp.: 2-30°C
• InChI: 1S/C4H10O2/c1-5-3-4-6-2/h3-4H2,1-2H3
• InChI key: XTHFKEDIFFGKHM-UHFFFAOYSA-N

Description

Application

Polyethylene glycol dimethyl ether 250 for synthesis. CAS 24991-55-7, chemical formula CH₃O(CH₂CH₂O)_nCH₃.

Analysis Note

Hydroxyl value: ≤ 30
Density (d 20 °C/ 4 °C): 1.028 - 1.038
Identity (IR): passes test

Safety Information

• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 1
• Flash Point(F): 275.0 °F
• Flash Point(C): 135 °C