METHYL OXALYL CHLORIDE
Synonym(s):Methyl 2-chloro-2-oxoacetate;Methyl oxalyl chloride;Monomethyl oxalyl chloride;Methyl chloroglyoxalate;Chloroglyoxylic acid methyl ester
- CAS NO.：5781-53-3
- Empirical Formula: C3H3ClO3
- Molecular Weight: 122.51
- MDL number: MFCD00000705
- EINECS: 227-307-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-01-27 09:38:02
What is METHYL OXALYL CHLORIDE?
Chemical properties
CLEAR LIQUID
The Uses of METHYL OXALYL CHLORIDE
Methyl oxalyl chloride is used as a synthetic reagent. It serves as a reagent in the synthesis of fused coumarins, substituted isoxazoles and heterocycles. Further, it is used in intramolecular Wittig reactions, and iron-mediated cleavage of C-C bonds.
The Uses of METHYL OXALYL CHLORIDE
Reactant involved in:
- Regioselective synthesis of fused coumarins
- Cyclization to form substituted isoxazoles and heterocycles
- Intramolecular Wittig reactions
- Silyl enol ether acylation
- Iron-mediated cleavage of C-C bonds
Properties of METHYL OXALYL CHLORIDE
| Boiling point: | 118-120 °C (lit.) |
| Density | 1.332 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 116 °F |
| storage temp. | Inert atmosphere,2-8°C |
| solubility | Chloroform (Slightly), Ethyl Acetate |
| form | Liquid |
| color | Clear |
| Odor | Acrid |
| Water Solubility | Miscible with water. |
| Sensitive | Moisture Sensitive |
| BRN | 1071541 |
| Stability: | Hygroscopic |
| CAS DataBase Reference | 5781-53-3(CAS DataBase Reference) |
| EPA Substance Registry System | Acetic acid, chlorooxo-, methyl ester (5781-53-3) |
Safety information for METHYL OXALYL CHLORIDE
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H226:Flammable liquids H314:Skin corrosion/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. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. 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 METHYL OXALYL CHLORIDE
| InChIKey | ZXUQEPZWVQIOJE-UHFFFAOYSA-N |
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