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Ondansetron hydrochloride dihydrate

盐酸昂丹司琼二水合物

Also known as: Ondansetron Hydrochloride Dihydrate, Ondansetron HCl dihydrate, Ondansetron hydrochloride hydrate, GR 38032, SN 307, Ondansetron (hydrochloride dihydrate)

Ondansetron hydrochloride dihydrate (CAS 103639-04-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H24ClN3O3 and a molecular weight of 365.85 g/mol. It is also known as Ondansetron Hydrochloride Dihydrate, Ondansetron HCl dihydrate and Ondansetron hydrochloride hydrate. Key properties include a melting point of 231-232ºC, a boiling point of 267.0±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 144.9±5.1 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
103639-04-9
Jingsj CID
J-1962978-2
Molecular Formula
C18H24ClN3O3
Chinese Name
盐酸昂丹司琼二水合物
Molecular Weight
365.85 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point231-232ºC
Boiling Point267.0±9.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point144.9±5.1 °C

GHS Safety & Compliance

Corrosion / Acute Toxicity / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of Ondansetron hydrochloride dihydrate?

The CAS number of Ondansetron hydrochloride dihydrate is 103639-04-9.

What are the molecular formula and molecular weight of Ondansetron hydrochloride dihydrate?

Ondansetron hydrochloride dihydrate has molecular formula C18H24ClN3O3 and molecular weight 365.85 g/mol.

Is Ondansetron hydrochloride dihydrate hazardous?

Ondansetron hydrochloride dihydrate has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "Ondansetron hydrochloride dihydrate (CAS 103639-04-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1962978-2 (accessed 2026-10-25).

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