Budesonide
[CAS# 51333-22-3]

Identification

• Classification: API >> Hormone and endocrine-regulating drugs >> Adrenal corticosteroids
• Name: Budesonide
• Synonyms: 16,17-Butylidenebis(oxy)-11-,21-dihydroxypregna-1,4-diene-3,20-dione
• Molecular Formula: C₂₅H₃₄O₆
• Molecular Weight: 430.54
• CAS Registry Number: 51333-22-3
• EC Number: 257-139-7

Safety Data

• Hazard Symbols: Xn
• Risk Codes: R40
• Safety Description: S22;S36

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Reproductive toxicity	Repr.	2	H361
Skin sensitization	Skin Sens.	1	H317
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H312
Respiratory sensitization	Resp. Sens.	1	H334
Chronic hazardous to the aquatic environment	Aquatic Chronic	3	H412
Acute toxicity	Acute Tox.	4	H302
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Skin irritation	Skin Irrit.	2	H315
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Eye irritation	Eye Irrit.	2	H319
Reproductive toxicity	Repr.	1A	H360
Specific target organ toxicity - single exposure	STOT SE	3	H335
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Reproductive toxicity	Repr.	2	H361d
Skin sensitization	Skin Sens.	1A	H317