254509

Trimethyl orthobutyrate

97%

• Synonym(s): 1,1,1-Trimethoxybutane
• Linear Formula: CH₃CH₂CH₂C(OCH₃)₃
• CAS Number: 43083-12-1
• Molecular Weight: 148.20
• Beilstein: 1737319
• EC Number: 256-079-9
• MDL number: MFCD00008480
• UNSPSC Code: 12352100
• PubChem Substance ID: 24855388
• NACRES: NA.22

Properties

• Quality Level: 200
• Assay: 97%
• refractive index: n20/D 1.404 (lit.)
• bp: 145-147 °C (lit.)
• density: 0.926 g/mL at 25 °C (lit.)
• SMILES string: CCCC(OC)(OC)OC
• InChI: 1S/C7H16O3/c1-5-6-7(8-2,9-3)10-4/h5-6H2,1-4H3
• InChI key: JAFMOTJMRSZOJE-UHFFFAOYSA-N

Description

General description

Kinetics and mechanism of gas-phase elimination of trimethyl orthobutyrate has been examined over the temperature range of 310-369°C and pressure range of 50-130Torr.

Application

Trimethyl orthobutyrate has been used in the preparation of:

• 5-acetamido-9-O-butyroyl-3,5-dideoxy-D-glycero-2-nonulo pyranosonic acid
• 9-O-butyroyl-3,5-dideoxy-5-glycoloylamido-D-glycero-2-nonulo pyranosonic acid

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Warning
• Hazard Statements: H226 - H315 - H319 - H335
• Precautionary Statements: P210 - P233 - P240 - P241 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 122.0 °F - closed cup
• Flash Point(C): 50 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves