Diethyl dibromomalonate

• Catalog No.: A11508
• CAS Number: 631-22-1
• M. F.: C7H10Br2O4
• M. W.: 317.9599
• Purity: 97%

SYNONYMS

• Title: 二溴丙二酸二乙酯
• IUPAC name: 1,3-diethyl 2,2-dibromopropanedioate
• IUPAC Traditional name: 1,3-diethyl 2,2-dibromopropanedioate
• Synonyms: Dibromomalonic acid diethyl ester

DATABASE IDS

• EC Number: 211-151-9
• Beilstein Number: 1783879
• MDL Number: MFCD00015154
• CAS Number: 631-22-1

PROPERTIES

• Purity: 97%
• Boiling Point: 108-110°C/4mm
• Density: 1.680
• Flash Point: >110°C(230°F)
• Refractive Index: 1.4850
• GHS Hazard statements: H314-H318
• European Hazard Symbols: Corrosive (C)
• GHS Precautionary statements: P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A
• Risk Statements: 34
• Safety Statements: 26-36/37/39-45
• TSCA Listed: 是
• Hazard Class: 8
• UN Number: UN1760
• Packing Group: III

REFERENCES

• Brominating agent for Li enolates of esters, by displacement of bromomalonate, giving better results than bromine itself where unsaturation is present: Rec. Trav. Chim., 96, 72 (1977).
• A so-called 'forcing Knoevenagel' methodology has been employed with ketones in the presence of tributylantimony to give the alkylidenemalonates: Tetrahedron, 51, 8033 (1995). Under similar conditions, Michael acceptors were found to undergo cyclopropanation of the olefinic double bond: Tetrahedron, 45, 3011 (1989).