2-Chloroacetoacetic Acid Methyl Ester , ≥95.0%(GC) , 4755-81-1

CAS NO.：4755-81-1

Empirical Formula: C5H7ClO3

Molecular Weight: 150.56

MDL number: MFCD00008757

EINECS: 225-286-6

PRODUCT Properties

• Melting point: -33--32.7 °C (lit.)
• Boiling point: 137 °C (lit.)
• Density: 1.236 g/mL at 25 °C (lit.)
• refractive index: n20/D 1.446(lit.)
• Flash point: 161 °F
• storage temp.: under inert gas (nitrogen or Argon) at 2-8°C
• form: Liquid
• pka: 7.89±0.46(Predicted)
• color: Clear yellow
• Water Solubility: 50 g/L (20 ºC)

Description and Uses

Methyl 2-chloroacetoacetate was used in one-pot synthesis of 2-arylimidazole-4-carboxylic acids. It was also used in synthesis of 3,5-disubstituted 1,2,4-triazoles.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H302+H312+H332-H315-H319-H335
• Precautionary statements: P261-P280-P301+P312-P302+P352+P312-P304+P340+P312-P305+P351+P338
• Hazard Codes: Xn
• Risk Statements: 20/21/22-36/37/38-22
• Safety Statements: 26-27-28-36/37/39-37/39
• RIDADR: UN 2810 6.1/PG 3
• WGK Germany: 3
• HazardClass: 8
• PackingGroup: III
• HS Code: 29183000