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
• UNSPSC Code: 12352112
• EC Index Number: 205-745-7
• NACRES: NA.22
• MDL number: MFCD00008483
• eCl@ss: 39021015
• Assay: ≥98.0% (GC)
• Form: liquid

Properties

• vapor pressure: 10 hPa ( 7 °C)
• Quality Segment: 200
• 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
• SMILES string: O(C(OC)OC)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
• signalword: Danger
• pcodes: P210 - P233 - P240 - P241 - P242 - P305 + P351 + P338
• Storage Class: 3 - Flammable liquids
• wgk: WGK 1
• flash_point_f: 55.4 °F - closed cup
• flash_point_c: 13 °C - closed cup
• target_organs: Respiratory system
• hcodes: H225,H319,H335
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 2 - STOT SE 3