Ebastine

Also known as: Ebastel, Kestine, LAS W-090, 4'-tert-Butyl-4-[4-(diphenylmethoxy)piperidino]butyrophenone, 4'-tert-Butyl-γ-[4-(diphenylmethoxy)piperidino]butyrophenone, 1-[4-(1,1-Dimethylethyl)phenyl]-4-[4-(diphenylmethoxy)-1-piperidinyl]-1-butanone, Ebastina, Ebastinum, Estivan

Ebastine (CAS 90729-43-4) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C32H39NO2 and a molecular weight of 469.658 g/mol. Key properties include a melting point of 80-82°C, a boiling point of 596.3±50.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 314.5±30.1 °C. GHS hazard statements: H413. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 90729-43-4
Jingsj CID: J-1961614-9
Molecular Formula: C₃₂H₃₉NO₂
Molecular Weight: 469.658 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	80-82°C
Boiling Point	596.3±50.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	314.5±30.1 °C
Exact Mass	469.298065
PSA	29.54000
LogP	7.79
Vapor Pressure	0.0±1.7 mmHg at 25°C
Refractive Index	1.590
Storage Conditions	Room temp

GHS Safety & Compliance

H413

Activity & Biological Data

Additional Information	[1]. Tagawa, M., et al., Neuroimaging of histamine H1-receptor occupancy in human brain by positron emission tomography (PET): a comparative study of ebastine, a second-generation antihistamine, and (+)-chlorpheniramine, a classical antihistamine. Br J Clin Pharmacol, 2001. 52(5): p. 501-9. [2]. Bousquet, J., et al., A 12-week, placebo-controlled study of the efficacy and safety of ebastine, 10 and 20 mg once daily, in the treatment of perennial allergic rhinitis. Multicentre Study Group. Allergy, 1999. 54(6): p. 562-8. [3]. Sastre, J., Ebastine in allergic rhinitis and chronic idiopathic urticaria. Allergy, 2008. 63 Suppl 89: p. 1-20.

Additional Information

[1]. Tagawa, M., et al., Neuroimaging of histamine H1-receptor occupancy in human brain by positron emission tomography (PET): a comparative study of ebastine, a second-generation antihistamine, and (+)-chlorpheniramine, a classical antihistamine. Br J Clin Pharmacol, 2001. 52(5): p. 501-9. [2]. Bousquet, J., et al., A 12-week, placebo-controlled study of the efficacy and safety of ebastine, 10 and 20 mg once daily, in the treatment of perennial allergic rhinitis. Multicentre Study Group. Allergy, 1999. 54(6): p. 562-8. [3]. Sastre, J., Ebastine in allergic rhinitis and chronic idiopathic urticaria. Allergy, 2008. 63 Suppl 89: p. 1-20.

Frequently Asked Questions

What is the CAS number of Ebastine?

The CAS number of Ebastine is 90729-43-4.

What are the molecular formula and molecular weight of Ebastine?

Ebastine has molecular formula C32H39NO2 and molecular weight 469.658 g/mol.

Is Ebastine hazardous?

Ebastine has GHS hazard statements H413.

What are the upstream and downstream products of Ebastine?

For Ebastine, Upstream Products: 4'-tert-Butyl-4-chlorobutyrophenone, 4-Diphenylmethoxypiperidine hydrochloride, 4-(Diphenylmethoxy)piperidine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Ebastine (CAS 90729-43-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1961614-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.