8.02934

Diethylene glycol dimethyl ether

(stabilised) for synthesis

• Synonym(s): 2-Methoxyethyl ether, Bis(2-methoxyethyl) ether, Dimethyldiglycol, ‘Diglyme’
• Linear Formula: (CH₃OCH₂CH₂)₂O
• CAS Number: 111-96-6
• Molecular Weight: 134.17
• Beilstein: 1736101
• MDL number: MFCD00008503
• UNSPSC Code: 12352112
• EC Index Number: 203-924-4
• NACRES: NA.22

Properties

• vapor density: 4.6 (vs air)
• Quality Level: 200
• vapor pressure: 3 mmHg ( 20 °C)
• Assay: ≥99% (GC)
• form: liquid
• autoignition temp.: 370 °F
• potency: 4760 mg/kg LD₅₀, oral (Rat)
• expl. lim.: 17.4 %
• refractive index: n20/D 1.408 (lit.)
• pH: 7 (20 °C)
• bp: 162 °C (lit.)
• mp: −64 °C (lit.)
• transition temp: flash point 51 °C
• density: 0.944 g/mL at 20 °C (lit.); 0.939 g/mL at 25 °C (lit.)
• storage temp.: 2-30°C
• SMILES string: COCCOCCOC
• InChI: 1S/C6H14O3/c1-7-3-5-9-6-4-8-2/h3-6H2,1-2H3
• InChI key: SBZXBUIDTXKZTM-UHFFFAOYSA-N

Description

Analysis Note

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.943 - 0.945
Peroxide (as H₂O₂): ≤ 0.005 %
Identity (IR): passes test

Safety Information

• Pictograms: GHS02,GHS08
• Signal Word: Danger
• Hazard Statements: H226 - H360FD
• Precautionary Statements: P202 - P210 - P233 - P240 - P241 - P308 + P313
• Hazard Classifications: Flam. Liq. 3 - Repr. 1B
• Supplementary Hazards: EUH019
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 1
• Flash Point(F): 134.6 °F - closed cup
• Flash Point(C): 57 °C - closed cup