4-Chloro-1-naphthol
Also known as: 4-Chloro-α-naphthol, 4C1N, 4-CN, 1-Chloro-4-hydroxynaphthalene, 1-Chloro-4-naphthol, 1-Hydroxy-4-chloronaphthalene, 1-Naphthalenol, 4-chloro-, 4-Chloronaphthalen-1-ol, Chloronaphthol, NSC 44345
4-Chloro-1-naphthol (CAS 604-44-4) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C10H7ClO and a molecular weight of 178.615 g/mol. Key properties include a melting point of 118-121 °C(lit.), a boiling point of 332.1±15.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 154.6±20.4 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 604-44-4
- Jingsj CID
- J-13019-4
- Molecular Formula
- C10H7ClO
- Molecular Weight
- 178.615 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 118-121 °C(lit.) |
|---|---|
| Boiling Point | 332.1±15.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 154.6±20.4 °C |
| Exact Mass | 178.018539 |
| PSA | 20.23000 |
| LogP | 3.66 |
| Appearance | tablets (~32 mg each) |
| Vapor Pressure | 0.0±0.7 mmHg at 25°C |
| Refractive Index | 1.684 |
| Additional Property | methanol: 50 mg/mL, clear, colorless to very faintly yellow |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Elias JM, et, al. A rapid, sensitive myeloperoxidase stain using 4-chloro-1-naphthol. Am J Clin Pathol. 1980 Jun;73(6):797-9. [2]. Hou L, et, al. Graphene oxide-labeled sandwich-type impedimetric immunoassay with sensitive enhancement based on enzymatic 4-chloro-1-naphthol oxidation. Biosens Bioelectron. 2013 Sep 15;47:149-56. |
|---|
Customs & Trade Information
| HS Code | 2908199090 |
|---|---|
| Summary | HS: 2908199090. derivatives of polyphenols or phenol-alcohols containing only halogen substituents and their salts. VAT:17.0%. tax rebate rate:9.0%. supervision conditions:None. MFN tariff:5.5%. general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Chloro-1-naphthol?
The CAS number of 4-Chloro-1-naphthol is 604-44-4.
What are the molecular formula and molecular weight of 4-Chloro-1-naphthol?
4-Chloro-1-naphthol has molecular formula C10H7ClO and molecular weight 178.615 g/mol.
Is 4-Chloro-1-naphthol hazardous?
4-Chloro-1-naphthol has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 4-Chloro-1-naphthol?
For 4-Chloro-1-naphthol, Upstream Products: 1-Naphthol, 4-Chloro-1-hydroxynaphthalene-2-carboxylic acid, 1-Chloronaphthalene; Downstream Products: Phenyl 4-chloro-1-hydroxy-2-naphthoate, 1-Naphthol, 2,4-Dichloro-1-naphthol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Chloro-1-naphthol (CAS 604-44-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13019-4 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.