8.00885

Trimethyl orthoformate

for synthesis

• Synonym(s): Trimethyl orthoformate, Methyl orthoformate, Orthoformic acid trimethyl ester
• Linear Formula: CH(OCH₃)₃
• CAS Number: 149-73-5
• Molecular Weight: 106.12
• MDL number: MFCD00008483
• EC Index Number: 205-745-7

Properties

• Quality Level: 200
• vapor pressure: 10 hPa ( 7 °C)
• assay: ≥98.0% (GC)
• form: liquid
• autoignition temp.: 255 °C
• potency: 3130 mg/kg LD₅₀, oral (Rat)
• expl. lim.: 1.4-44.6 % (v/v)
• bp: 102 °C/1013 hPa
• mp: -53 °C
• transition temp: flash point 13 °C
• solubility: 10 g/L (Hydrolysis)
• density: 0.97 g/cm³ at 20 °C
• storage temp.: 2-30°C
• InChI: 1S/C4H10O3/c1-5-4(6-2)7-3/h4H,1-3H3
• InChI key: PYOKUURKVVELLB-UHFFFAOYSA-N

Description

Analysis Note

Assay (GC, area%): ≥ 98.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.968 - 0.970
Identity (IR): passes test

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Danger
• Hazard Statements: H225 - H319
• Precautionary Statements: P210 - P233 - P240 - P241 - P242 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 2
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 1
• Flash Point(F): 55.4 °F - closed cup
• Flash Point(C): 13 °C - closed cup