Citraconic anhydride , 98% , 616-02-4

Synonym(s):
2-Methylmaleic anhydride;3-Methyl-2,5-furandione;Citraconic acid anhydride;Methylmaleic anhydride;Monomethylmaleic anhydride

CAS NO.：616-02-4

Empirical Formula: C5H4O3

Molecular Weight: 112.08

MDL number: MFCD00005522

EINECS: 210-459-0

PRODUCT Properties

• Melting point: 6-10 °C (lit.)
• Boiling point: 213-214 °C (lit.)
• Density: 1.247 g/mL at 25 °C (lit.)
• vapor density: 4 (vs air)
• vapor pressure: 1.3 hPa ( 47 °C)
• refractive index: n20/D 1.471(lit.)
• Flash point: 215 °F
• storage temp.: Inert atmosphere,2-8°C
• solubility: Chloroform (Slightly), Methanol (Slightly)
• form: Liquid
• color: Clear colorless to very slightly yellow
• Water Solubility: decomposes
• Sensitive: Moisture Sensitive
• BRN: 1835
• Dielectric constant: 40.3（20℃）
• LogP: -0.232 (est)
• CAS DataBase Reference: 616-02-4(CAS DataBase Reference)
• NIST Chemistry Reference: 2,5-Furandione, 3-methyl-(616-02-4)
• EPA Substance Registry System: 2,5-Furandione, 3-methyl- (616-02-4)

Description and Uses

Versatile reagent used for the synthesis of maleimides, bicyclic pyrrolidines, and co- and terpolymers, as well as for the protection of N-terminal amino acids.

Safety

• Symbol(GHS): GHS05,GHS08
• Signal word: Danger
• Hazard statements: H314-H317-H334
• Precautionary statements: P261-P272-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
• Hazard Codes: T
• Risk Statements: 23/24/25-36/37/38-42/43-34-24
• Safety Statements: 26-36/37/39-45-28A-23-36/37
• RIDADR: UN 2810 6.1/PG 3
• WGK Germany: 3
• RTECS: GE6825000
• F: 10-21
• TSCA: Yes
• HazardClass: 6.1
• PackingGroup: III
• HS Code: 29171990
• Hazardous Substances Data: 616-02-4(Hazardous Substances Data)
• Limited Quantities: 5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)