2-Diazo-1-naphthol-4-sulfonyl chloride
Also known as: 1,2-Naphthoquinone-2-diazido-4-sulfonyl chloride, 3-Diazo-3,4-dihydro-4-oxo-1-naphthalenesulfonyl chloride, 3-Diazo-4-oxo-3,4-dihydro-naphthalene-1-sulfonyl chloride, 2-Diazo-1-naphthol-4-sulphochloride, 4-Chlorosulfonyl-2-diazonio-1-naphthalenolate
2-Diazo-1-naphthol-4-sulfonyl chloride (CAS 36451-09-9) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C10H5ClN2O3S and a molecular weight of 268.67600 g/mol. Key properties include a melting point of 28-31°C, a boiling point of 215-217 °C30 mm Hg(lit.), a density of 1.107 g/mL at 25 °C(lit.) and a flash point of >110.0 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 36451-09-9
- Jingsj CID
- J-24373-2
- Molecular Formula
- C10H5ClN2O3S
- Molecular Weight
- 268.67600 g/mol
- Category
- Alcohols
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 28-31°C |
|---|---|
| Boiling Point | 215-217 °C30 mm Hg(lit.) |
| Density | 1.107 g/mL at 25 °C(lit.) |
| Flash Point | >110.0 °C |
| Exact Mass | 267.97100 |
| PSA | 96.98000 |
| LogP | 2.62506 |
| Refractive Index | n20/D 1.536(lit.) |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2927000090 |
|---|---|
| Summary | 2927000090 other diazo-, azo- or azoxy-compounds。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-Diazo-1-naphthol-4-sulfonyl chloride?
The CAS number of 2-Diazo-1-naphthol-4-sulfonyl chloride is 36451-09-9.
What are the molecular formula and molecular weight of 2-Diazo-1-naphthol-4-sulfonyl chloride?
2-Diazo-1-naphthol-4-sulfonyl chloride has molecular formula C10H5ClN2O3S and molecular weight 268.67600 g/mol.
Is 2-Diazo-1-naphthol-4-sulfonyl chloride hazardous?
2-Diazo-1-naphthol-4-sulfonyl chloride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 2-Diazo-1-naphthol-4-sulfonyl chloride?
For 2-Diazo-1-naphthol-4-sulfonyl chloride, Upstream Products: 2-Diazo-1-naphthol-4-sulfonic acid sodium salt, 1-Amino-2-naphthol-4-sulfonic acid, 1-naphthol-4-sulfonic acid sodium salt.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Diazo-1-naphthol-4-sulfonyl chloride (CAS 36451-09-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24373-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.