Epinastine Hydrochloride

盐酸依匹斯汀

Also known as: Epinastine HCl, 3-Amino-9,13b-dihydro-1H-dibenz[c,f]imidazo[1,5-a]azepine hydrochloride, 9,13b-Dihydro-1H-dibenz[c,f]imidazo[1,5-a]azepin-3-amine hydrochloride, WAL-801CL, Alesion, Elestat

Epinastine Hydrochloride (CAS 108929-04-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C16H16ClN3 and a molecular weight of 285.771 g/mol. It is also known as Epinastine HCl, 3-Amino-9,13b-dihydro-1H-dibenz[c,f]imidazo[1,5-a]azepine hydrochloride and 9,13b-Dihydro-1H-dibenz[c,f]imidazo[1,5-a]azepin-3-amine hydrochloride. Key properties include a melting point of >270ºC, a boiling point of 428ºC at 760 mmHg, a density of 1.32g/cm3 and a flash point of 212.7ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 108929-04-0
Jingsj CID: J-1980220-2
Molecular Formula: C₁₆H₁₆ClN₃
Chinese Name: 盐酸依匹斯汀
Molecular Weight: 285.771 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	>270ºC
Boiling Point	428ºC at 760 mmHg
Density	1.32g/cm3
Flash Point	212.7ºC
Exact Mass	285.103271
PSA	41.62000
LogP	3.46970
Vapor Pressure	1.56E-07mmHg at 25°C
Storage Conditions	2-8°C
Additional Property	H2O: soluble38mg/mL

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

H301 — Toxic if swallowed

Activity & Biological Data

Additional Information	[1]. C Kamei, et al. Antiallergic effect of epinastine (WAL 801 CL) on immediate hypersensitivity reactions: (I). Elucidation of the mechanism for histamine release inhibition. Immunopharmacol Immunotoxicol. 1992;14(1-2):191-205. [2]. T Roeder, et al. Epinastine, a highly specific antagonist of insect neuronal octopamine receptors. ur J Pharmacol. 1998 May 22;349(2-3):171-7. [3]. T Kohyama, et al. A novel antiallergic drug epinastine inhibits IL-8 release from human eosinophils. Biochem Biophys Res Commun. 1997 Jan 3;230(1):125-8.

Additional Information

[1]. C Kamei, et al. Antiallergic effect of epinastine (WAL 801 CL) on immediate hypersensitivity reactions: (I). Elucidation of the mechanism for histamine release inhibition. Immunopharmacol Immunotoxicol. 1992;14(1-2):191-205. [2]. T Roeder, et al. Epinastine, a highly specific antagonist of insect neuronal octopamine receptors. ur J Pharmacol. 1998 May 22;349(2-3):171-7. [3]. T Kohyama, et al. A novel antiallergic drug epinastine inhibits IL-8 release from human eosinophils. Biochem Biophys Res Commun. 1997 Jan 3;230(1):125-8.

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Epinastine Hydrochloride?

The CAS number of Epinastine Hydrochloride is 108929-04-0.

What are the molecular formula and molecular weight of Epinastine Hydrochloride?

Epinastine Hydrochloride has molecular formula C16H16ClN3 and molecular weight 285.771 g/mol.

Is Epinastine Hydrochloride hazardous?

Epinastine Hydrochloride has GHS signal word Danger and hazard statements H301 — Toxic if swallowed.

What are the upstream and downstream products of Epinastine Hydrochloride?

For Epinastine Hydrochloride, Upstream Products: Epinastine, 11H-Dibenzo[b,e]azepine-6-carbonitrile, 6,11-Dihydro-5H-dibenz[b,e]azepine-6-methanamine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Epinastine Hydrochloride (CAS 108929-04-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1980220-2 (accessed 2026-10-28).

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