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4-Difluoromethoxy-3-hydroxybenzaldehyde CAS NO. 151103-08-1

Used as a Roflumilast intermediate

Additional information

Weight 25 kg
Dimensions 35 × 35 × 45 cm

White or off-white powder

Loss on drying

Max. 0.5%


Max. 0.5%

Single impurity

Max. 0.5%


Min. 99.0 %

Product data and descriptions listed are typical values, not intended to be used as specification.

Identifying Information

CAS-No. 151103-08-1
Synonyms: 3-Hydroxy-4-diflouromethylbenzaldehyde
Molecular Formula: C8H6F2O3
Molecular weight: 188.13 g/mol

Chemical Properties

Product Number: LDCHEM151103
Boiling point: 280.6±35.0 °C at 760 mmHg
Melting point: 88.0 to 92.0°C
Flashpoint: 123.5±25.9 °C
Density: 1.4±0.1 g/cm3
Index of Refraction: 1.533
Vapour Pressure: 0.0±0.6 mmHg at 25°C
Solubility: Chloroform (Slightly), Methanol (Slightly)

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