2-Methoxybenzaldehyde, CAS No. 135-02-4

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135-02-4

Catalog No. EBD44588

CAS 135-02-4

Name 2-Methoxybenzaldehyde

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Basic Information

Synonyms: o-Anisaldehyde MethoxybenzaldehydeAnisaldehyd ortho-anisaldehyde 2-Methoxybenzaldehyde o-AnisicAldehyde O-Methoxylbenzaldehyde O-Methoxybenzaldehyde

Molecular Formula: C8H8O2

Molecular Weight: 136.15

MDL Number: MFCD00003308

Categories: Materials Chemistry > Optoelectronic and Organic Semiconductor Materials > Dye Precursors Synthetic Chemistry > Organic Building Blocks > Aldehydes and Ketones

Product Description:

2-Methoxybenzaldehyde (o-Anisaldehyde) is an aromatic aldehyde characterized by a benzene ring substituted with a formyl group and a methoxy group at the ortho position. It is a colorless to pale yellow liquid with a characteristic sweet, floral, and slightly spicy odor, reminiscent of hawthorn or anise. Its primary industrial application is as a key intermediate in the synthesis of various dyes and pigments. It serves as a crucial building block for producing triphenylmethane dyes, xanthene dyes, and other complex colorants. Additionally, it is widely used as a fragrance ingredient in perfumes, soaps, and cosmetics, and as a flavoring agent in food products. In organic synthesis, it is a versatile starting material for the preparation of pharmaceuticals, agrochemicals, and other fine chemicals through reactions such as aldol condensation and reductive amination. The compound requires careful handling as it can cause skin and eye irritation. It is typically stored in a cool, well-ventilated area away from strong oxidizing agents.

Physical Properties

Melting Point: 34-40 °C(lit.)

Boiling Point: 238 °C(lit.)

Flash Point: 118 °C

Density: 1.127 g/mL at 25 °C(lit.)

Solubility: insoluble

Refractivity: 1.5608

Analytical Data

Appearance: light yellow to pale brown