Beclometasone
[CAS# 4419-39-0]

Identification

• Classification: API >> Hormone and endocrine-regulating drugs >> Adrenal corticosteroids
• Name: Beclometasone
• Synonyms: 9-Chloro-11beta,17,21-trihydroxy-16beta-methyl-pregna-1,4-diene-3,20-dione; 9-Chloro-16beta-methylprednisolone; 9alpha-Chloro-16beta-methylprednisolone; Beclometasone; Beclomethasone; Becolvent
• Molecular Formula: C₂₂H₂₉ClO₅
• Molecular Weight: 408.92
• CAS Registry Number: 4419-39-0
• EC Number: 224-585-9

Properties

• Solubility: Practically insoluble (0.016 g/L) (25 ºC), Calc.^*
• Density: 1.35±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 234-237 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Robinson, C. H.; Journal of Organic Chemistry 1961, V26, P2863-7.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Reproductive toxicity	Repr.	2	H361
Reproductive toxicity	Repr.	1B	H360
Skin sensitization	Skin Sens.	1	H317
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410