Naphazoline hydrochloride
盐酸萘甲唑啉
Also known as: 2-(1-Naphthylmethyl)-2-imidazoline hydrochloride, 2-(1-Naphthylmethyl)-4,5-dihydro-1H-imidazole hydrochloride, 4,5-Dihydro-2-(1-naphthalenylmethyl)-1H-imidazole monohydrochloride, 1H-Imidazole, 4,5-dihydro-2-(1-naphthalenylmethyl)-, hydrochloride (1:1), Naphazoline HCl, Privine hydrochloride, Naphcon, Naphazoline (hydrochloride), Naphazolinum hydrochloridum
Naphazoline hydrochloride (CAS 550-99-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H15ClN2 and a molecular weight of 246.735 g/mol. It is also known as 2-(1-Naphthylmethyl)-2-imidazoline hydrochloride, 2-(1-Naphthylmethyl)-4,5-dihydro-1H-imidazole hydrochloride and 4,5-Dihydro-2-(1-naphthalenylmethyl)-1H-imidazole monohydrochloride. Key properties include a melting point of 254-260 °C, a boiling point of 440.5ºC at 760 mmHg, a density of 1.15 g/cm3 and a flash point of 220.2ºC. It is classified under GHS with signal word Danger and hazard statements H300. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 550-99-2
- Jingsj CID
- J-1110265-6
- Molecular Formula
- C14H15ClN2
- Chinese Name
- 盐酸萘甲唑啉
- Molecular Weight
- 246.735 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 254-260 °C |
|---|---|
| Boiling Point | 440.5ºC at 760 mmHg |
| Density | 1.15 g/cm3 |
| Flash Point | 220.2ºC |
| Exact Mass | 246.092377 |
| PSA | 24.39000 |
| LogP | 2.95040 |
| Additional Property | 170 g/L (20 ºC) |
GHS Safety & Compliance
- H300
Activity & Biological Data
| Additional Information | [1]. http://en.wikipedia.org/wiki/Naphazoline |
|---|
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. 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 Naphazoline hydrochloride?
The CAS number of Naphazoline hydrochloride is 550-99-2.
What are the molecular formula and molecular weight of Naphazoline hydrochloride?
Naphazoline hydrochloride has molecular formula C14H15ClN2 and molecular weight 246.735 g/mol.
Is Naphazoline hydrochloride hazardous?
Naphazoline hydrochloride has GHS signal word Danger and hazard statements H300.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Naphazoline hydrochloride (CAS 550-99-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1110265-6 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.