8.08249

Triethylene glycol dimethyl ether

(stabilised) for synthesis

• Synonym(s): 1,2-Bis(2-methoxyethoxy)ethane, Dimethyltriglycol, NSC 66400, Triglyme
• Linear Formula: CH₃O(CH₂CH₂O)₃CH₃
• CAS Number: 112-49-2
• Molecular Weight: 178.23
• Beilstein: 1700630
• MDL number: MFCD00008504
• UNSPSC Code: 12352112
• EC Index Number: 203-977-3

Properties

• vapor density: >4.7 (vs air)
• Quality Level: 200
• Assay: ≥98% (GC)
• form: liquid
• autoignition temp.: 375 °F
• potency: 5390 mg/kg LD₅₀, oral (Rat)
• expl. lim.: 0.7 % (v/v)
• refractive index: n20/D 1.423 (lit.)
• pH: 7
• bp: 216 °C (lit.)
• mp: −45 °C (lit.)
• transition temp: flash point 106 °C
• solubility: soluble >1000 g/L
• density: 0.986 g/mL at 25 °C (lit.)
• storage temp.: 2-30°C
• SMILES string: COCCOCCOCCOC
• InChI: 1S/C8H18O4/c1-9-3-5-11-7-8-12-6-4-10-2/h3-8H2,1-2H3
• InChI key: YFNKIDBQEZZDLK-UHFFFAOYSA-N

Description

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.985 - 0.989
Peroxide (as H₂O₂): ≤ 0.005 %
Identity (IR): passes test

Safety Information

• Pictograms: GHS07,GHS08
• Signal Word: Danger
• Hazard Statements: H319 - H360Df
• Precautionary Statements: P202 - P264 - P280 - P305 + P351 + P338 - P308 + P313 - P337 + P313
• Hazard Classifications: Eye Irrit. 2 - Repr. 1B
• Supplementary Hazards: EUH019
• Storage Class Code: 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects
• WGK: WGK 1
• Flash Point(F): 235.4 °F - closed cup
• Flash Point(C): 113 °C - closed cup