Bis(trimethylsilyl) malonate

• Catalog No.: 63305
• CAS Number: 18457-04-0
• M. F.: C9H20O4Si2
• M. W.: 248.4237
• Purity: ≥98.0% (GC)

SYNONYMS

• Title: 马来酸双(三甲硅烷)酯
• IUPAC name: 1,3-ditrimethylsilyl propanedioate
• IUPAC Traditional name: 1,3-ditrimethylsilyl propanedioate
• Synonyms: 双(三甲基硅基)丙二酸酯; Malonic acid bis(trimethylsilyl ester)

DATABASE IDS

• MDL Number: MFCD00009631
• EC Number: 242-342-5
• CAS Number: 18457-04-0
• Beilstein Number: 2212115

PROPERTIES

• Grade: purum
• Linear Formula: (CH3)3SiOCOCH2COOSi(CH3)3
• Purity: ≥98.0% (GC)
• Boiling Point: 63-66 °C/1 mmHg(lit.)
• Density: 0.974 g/mL at 25 °C(lit.)
• Flash Point: 24 °C
• Flash Point: 75.2 °F
• Refractive Index: n20/D 1.416(lit.)
• Refractive Index: n20/D 1.417
• GHS Signal Word: Warning
• GHS Hazard statements: H226
• European Hazard Symbols: Flammable (F)
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
• RID/ADR: UN 3272 3/PG 3
• Risk Statements: 11
• Safety Statements: 16
• Storage Temperature: 2-8°C
• Hazard Class: 3
• UN Number: 3272
• Packing Group: 3
• German water hazard class: 3

DETAILS

Description (English)

Other Notes
Starting material for a convenient preparation of carbon suboxide1; Reagent for a direct preparation of β-keto-acids2,3; Decarboxylation of the latter to methyl ketones4

Description (简体中文)

Other Notes
简易制备二氧化三碳的原料1；用于直接制备 β-酮酸的试剂2,3；后者脱羧可生成甲基酮4