3,4-Di-n-butoxy-3-cyclobutene-1,2-dione

• Catalog No.: A18960
• CAS Number: 2892-62-8
• M. F.: C12H18O4
• M. W.: 226.26892
• Purity: 98%

SYNONYMS

• Title: 3,4-二-正-丁氧基-3-环丁烯-1,2-二酮
• IUPAC name: dibutoxycyclobut-3-ene-1,2-dione
• IUPAC Traditional name: squaric acid dibutyl ester
• Synonyms: Di-n-butyl squarate; Squaric acid di-n-butyl ester

DATABASE IDS

• Beilstein Number: 1968189
• MDL Number: MFCD00037150
• CAS Number: 2892-62-8

PROPERTIES

• Purity: 98%
• Boiling Point: 155-158°C/3mm
• Density: 1.047
• Flash Point: >110°C(230°F)
• Refractive Index: 1.4950
• GHS Hazard statements: H315-H319
• European Hazard Symbols: Irritant (Xi)
• GHS Precautionary statements: P280-P305+P351+P338-P302+P352-P321-P362-P332+P313
• Risk Statements: 36/38
• RTECS: GU1772066
• Safety Statements: 26-37
• TSCA Listed: 否

REFERENCES

• Reaction with alkyl- or aryllithium compounds results in ring opening to give the corresponding symmetrical 2,3-dibutoxy-1,4-diketones in high yield: Tetrahedron., 51, 12373 (1995).