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3-Fluoro-4-hydroxy-5-methoxybenzaldehyde

3-氟-4-羟基-5-甲氧基苯甲醛

Also known as: 5-Fluorovanillin, 3-Fluoro-4-hydroxy-5-methoxybenzene, Benzaldehyde, 3-fluoro-4-hydroxy-5-methoxy-, 3-FLUORO-4-HYDROXY-5-METHOXYBENZALDEHYDE

3-Fluoro-4-hydroxy-5-methoxybenzaldehyde (CAS 79418-78-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H7FO3 and a molecular weight of 170.138 g/mol. It is also known as 5-Fluorovanillin, 3-Fluoro-4-hydroxy-5-methoxybenzene and Benzaldehyde, 3-fluoro-4-hydroxy-5-methoxy-. Key properties include a melting point of 114-118 °C(lit.), a boiling point of 248.6±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 104.1±25.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
79418-78-3
Jingsj CID
J-1413004-3
Molecular Formula
C8H7FO3
Chinese Name
3-氟-4-羟基-5-甲氧基苯甲醛
Molecular Weight
170.138 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point114-118 °C(lit.)
Boiling Point248.6±35.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point104.1±25.9 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3-Fluoro-4-hydroxy-5-methoxybenzaldehyde?

The CAS number of 3-Fluoro-4-hydroxy-5-methoxybenzaldehyde is 79418-78-3.

What are the molecular formula and molecular weight of 3-Fluoro-4-hydroxy-5-methoxybenzaldehyde?

3-Fluoro-4-hydroxy-5-methoxybenzaldehyde has molecular formula C8H7FO3 and molecular weight 170.138 g/mol.

Is 3-Fluoro-4-hydroxy-5-methoxybenzaldehyde hazardous?

3-Fluoro-4-hydroxy-5-methoxybenzaldehyde has GHS signal word Warning.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3-Fluoro-4-hydroxy-5-methoxybenzaldehyde (CAS 79418-78-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1413004-3 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.