The 5-Fluoro-2-methoxybenzaldehyde with the cas number 19415-51-1. 5-Fluoro-2-methoxybenzaldehyde belongs to the following product categories: (1)Aromatic Aldehydes & Derivatives(substituted); (2)Benzaldehyde; (3)Adehydes, Acetals & Ketones; (4)Anisoles, Alkyloxy Compounds & Phenylacetates; (5)Fluorine Compounds so on. It seems like pale yellow powder and lumps, and it should be stored in a cool, dry place to prevent from losing effectiveness. In addtion, 5-Fluoro-2-methoxybenzaldehyde should be stored in a tightly closed container. It can also be store under nitrogen for preserve.

Properties of 5-Fluoro-2-methoxybenzaldehyde: (1)H bond acceptors: 2 ; (2)H bond donors: 0 ; (3)Freely Rotating Bonds: 2 ; (4)Polar Surface Area: 26.3 Å ; (5)Index of Refraction: 1.525 ; (6) Molar Refractivity: 39.67 cm³ ; (7)Molar Volume: 129.3 cm³ ; (8)Polarizability: 15.72 ×10^-24cm³ ; (9)Surface Tension: 35.7 dyne/cm ; (10) Density: 1.192 g/cm³ ; (11)Flash Point: 98.7 °C ; (12)Enthalpy of Vaporization: 48.14 kJ/mol ; (13)Boiling Point: 244.4 °C at 760 mmHg ; (14)Vapour Pressure: 0.0305 mmHg at 25°C

When you are using this chemical, you should be cautious. Firstly, 5-Fluoro-2-methoxybenzaldehyde can causes eye irritation, in case of contact, flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. Secondly, it causes skin irritation. May be harmful if absorbed through the skin. When this occurs, get medical aid: flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Thirdly, it is quite harmful if swallowed. It may cause irritation of the digestive tract. Get medical aid and wash mouth out with water. Besides, as in any fire, please wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Using water spray, dry chemical, carbon dioxide, or chemical foam to put out a fire.

5-Fluoro-2-methoxybenzaldehyde can be produced by reaction of 1-fluoro-4-methoxy-benzene with bis-chloromethyl ether for 8 hours under ambient temperature.


The 5-Fluoro-2-methoxybenzaldehyde can also react with malonic acid to form (E)-3-(5-fluoro-2-methoxyphenyl)propenoic acid under room temperature for 16 h, 60 deg C for 4 h; and 100 deg C for 3 h.