o-Tolualdehyde

• Catalog No.: A10172
• CAS Number: 529-20-4
• M. F.: C8H8O
• M. W.: 120.14852
• Purity: 98%, stab. with 0.1% hydroquinone

SYNONYMS

• Title: 邻甲基苯甲醛
• IUPAC name: 2-methylbenzaldehyde
• IUPAC Traditional name: 2-methylbenzaldehyde
• Synonyms: 2-Methylbenzaldehyde

DATABASE IDS

• EC Number: 208-452-2
• Merck Index: 149527
• CAS Number: 529-20-4
• Beilstein Number: 605841
• MDL Number: MFCD00003338

PROPERTIES

• Purity: 98%, stab. with 0.1% hydroquinone
• Boiling Point: 199-200°C
• Density: 1.037
• Flash Point: 67°C(152°F)
• Melting Point: -35°C
• Refractive Index: 1.5470
• GHS Hazard statements: H301-H315-H319-H335-H227
• European Hazard Symbols: X
• GHS Precautionary statements: P210-P301+P310-P305+P351+P338-P302+P352-P405-P501A
• Risk Statements: 22-36/37/38
• Safety Statements: 26-36/37
• Storage Warning: Air Sensitive
• TSCA Listed: 否

REFERENCES

• Under u.v. irradiation, o-tolualdehyde generates exclusively the (E)-dienol form which may be trapped by cycloaddition with the acrylate (or fumarate) ester of methyl lactate, to give a single diastereomer of the tetrahydronaphthalene derivative: Can. J. Chem., 67, 574 (1989):
  
• The imine with t-butylamine undergoes lateral lithiation with LDA at the o-methyl group; see, e.g.: J. Org. Chem., 59, 2616 (1994).