Trimethyl orthobutyrate
Synonym(s):1,1,1-Trimethoxybutane
- CAS NO.:43083-12-1
- Empirical Formula: C7H16O3
- Molecular Weight: 148.2
- MDL number: MFCD00008480
- EINECS: 256-079-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-10-31 13:32:20
What is Trimethyl orthobutyrate?
Chemical properties
Clear colorless to slightly yellow liquid
The Uses of Trimethyl orthobutyrate
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
The Uses of Trimethyl orthobutyrate
Trimethyl orthobutyrate can be used for:
- Acylation at OH-9 of N-acetylneuraminic acid and N-glycoloylneuraminic acid to give the corresponding 9-O-acylated derivatives.
- Conversion of 2-amino-N-(1-H-benzimidazol-2-yl)benzamide to 2-propyl-3-benzimidazolyl-4(3H)-quinazolinone.
- Preparation of 2-propyl substituted benzimidazoles from 1,2-benzenediamines.
It can also be used in the total synthesis of dl-camptothecin, Olmesartan Medoxomil, DE and CDE ring analogs of camptothecin, and homologs of 1,25-dihydroxyvitamin D3.
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.
Properties of Trimethyl orthobutyrate
Boiling point: | 145-147 °C (lit.) |
Density | 0.926 g/mL at 25 °C (lit.) |
refractive index | 1.402-1.404 |
Flash point: | 50 °C |
storage temp. | Flammables area |
solubility | Chloroform, Ethyl Acetate |
form | Liquid |
color | Clear colorless to slightly yellow |
Specific Gravity | 0.926 |
BRN | 1737319 |
CAS DataBase Reference | 43083-12-1(CAS DataBase Reference) |
NIST Chemistry Reference | Trimethyl orthobutyrate(43083-12-1) |
Safety information for Trimethyl orthobutyrate
Signal word | Warning |
Pictogram(s) |
Flame Flammables GHS02 Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H226:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Trimethyl orthobutyrate
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product: 43083-12-1 Trimethyl ortho butyrate 99%
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