Dabsyl chloride
4-二甲氨基偶氮苯-4'-磺酰氯
Also known as: 4-(Dimethylamino)azobenzene-4'-sulfonyl chloride, 4-Dimethylaminoazobenzene-4-sulfonyl chloride, 4-Dimethylaminoazobenzene-4'-sulphonyl chloride, 4-[ [4-(dimethylamino)phenyl]diazenyl]benzenesulfonyl chloride, DABS-Cl, Dabsyl chloride [N-Protecting Agent for Peptides Research]
Dabsyl chloride (CAS 56512-49-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H14ClN3O2S and a molecular weight of 323.79800 g/mol. It is also known as 4-(Dimethylamino)azobenzene-4'-sulfonyl chloride, 4-Dimethylaminoazobenzene-4-sulfonyl chloride and 4-Dimethylaminoazobenzene-4'-sulphonyl chloride. Key properties include a melting point of 185 °C (dec.)(lit.), a boiling point of 483.6ºC at 760 mmHg, a density of 1.29 g/cm3 and a flash point of 246.3ºC. 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.
- 56512-49-3
- Jingsj CID
- J-1402745-3
- Molecular Formula
- C14H14ClN3O2S
- Chinese Name
- 4-二甲氨基偶氮苯-4'-磺酰氯
- Molecular Weight
- 323.79800 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 185 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 483.6ºC at 760 mmHg |
| Density | 1.29 g/cm3 |
| Flash Point | 246.3ºC |
| Exact Mass | 323.05000 |
| PSA | 70.48000 |
| LogP | 5.17630 |
| Refractive Index | 1.607 |
| Additional Property | DMF: soluble |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Activity & Biological Data
| Additional Information | [1]. Francioso A, et al. HPLC Determination of Bioactive Sulfur Compounds, Amino Acids and Biogenic Amines in Biological Specimens. Adv Exp Med Biol. 2017;975:535-549. |
|---|
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 Dabsyl chloride?
The CAS number of Dabsyl chloride is 56512-49-3.
What are the molecular formula and molecular weight of Dabsyl chloride?
Dabsyl chloride has molecular formula C14H14ClN3O2S and molecular weight 323.79800 g/mol.
Is Dabsyl chloride hazardous?
Dabsyl chloride has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dabsyl chloride (CAS 56512-49-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1402745-3 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.