Dansyl chloride
Also known as: DNSCl, 1-Dimethylaminonaphthalene-5-sulfonyl chloride, 5-(Dimethylamino)-1-naphthalenesulfonyl chloride, 5-(Dimethylamino)naphthalene-1-sulfonyl chloride, 5-Dimethylamino-1-naphthalenesulfonyl chloride, 5-Dimethylaminonaphthalene-1-sulfonyl chloride, 1-chlorosulfonyl-5-dimethylaminonaphthalene, N,N-Dimethyl-1-naphthylamine-5-sulfonyl chloride, Dns chloride
Dansyl chloride (CAS 605-65-2) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H12ClNO2S and a molecular weight of 269.747 g/mol. Key properties include a melting point of 72-74 °C(lit.), a boiling point of 371.3±22.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 178.4±22.3 °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 Aug 21, 2026.
- CAS No.
- 605-65-2
- Jingsj CID
- J-28605-1
- Molecular Formula
- C12H12ClNO2S
- Molecular Weight
- 269.747 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 72-74 °C(lit.) |
|---|---|
| Boiling Point | 371.3±22.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 178.4±22.3 °C |
| Exact Mass | 269.027740 |
| PSA | 45.76000 |
| LogP | 3.67 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.636 |
| Additional Property | acetone: 50 mg/mL |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2921199090 |
|---|---|
| Summary | 2921199090 other acyclic monoamines and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Dansyl chloride?
The CAS number of Dansyl chloride is 605-65-2.
What are the molecular formula and molecular weight of Dansyl chloride?
Dansyl chloride has molecular formula C12H12ClNO2S and molecular weight 269.747 g/mol.
Is Dansyl chloride hazardous?
Dansyl 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 Dansyl chloride?
For Dansyl chloride, Upstream Products: 5-(Dimethylamino)naphthalene-1-sulfonic acid, 5-Amino-1-naphthalenesulfonic acid; Downstream Products: Dansyl-L-glutamine, Dansyl ethylenediamine, Dansyl hydrazine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dansyl chloride (CAS 605-65-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28605-1 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.