Benzaldehyde p-Toluenesulfonylhydrazone
Also known as: Benzaldehyde tosylhydrazone, Benzaldehyde p-toluenesulfonylhydrazone, Benzaldehyde [(4-methylphenyl)sulfonyl]hydrazone, 4-Methyl-N'-[(E)-phenylmethylene]benzenesulfonohydrazide, 4-methyl-N'-benzylidenebenzene-1-sulfonohydrazide, N'-benzylidene-4-methylbenzenesulfonohydrazide, N'-benzylidene-p-toluenesulfonic acid hydrazide, N-(benzylideneamino)-4-methylbenzenesulfonamide, N-benzylideneamino-p-toluenesulfonamide, p-Toluenesulfonic acid N'-benzylidene hydrazide, benzaldehyde toluene-p-sulphonylhydrazone, N2-Benzylidene-4-methylbenzenesulfonohydrazide, Benzenesulfonic acid, 4-methyl-, 2-(phenylmethylene)hydrazide
Benzaldehyde p-Toluenesulfonylhydrazone (CAS 1666-17-7) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C14H14N2O2S and a molecular weight of 274.338 g/mol. Key properties include a melting point of 130ºC, a boiling point of 431.8±38.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 214.9±26.8 °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.
- 1666-17-7
- Jingsj CID
- J-24317-4
- Molecular Formula
- C14H14N2O2S
- Molecular Weight
- 274.338 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 130ºC |
|---|---|
| Boiling Point | 431.8±38.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 214.9±26.8 °C |
| Exact Mass | 274.077606 |
| PSA | 66.91000 |
| LogP | 3.35 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.591 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2935009090 |
|---|---|
| Summary | 2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0% |
Frequently Asked Questions
What is the CAS number of Benzaldehyde p-Toluenesulfonylhydrazone?
The CAS number of Benzaldehyde p-Toluenesulfonylhydrazone is 1666-17-7.
What are the molecular formula and molecular weight of Benzaldehyde p-Toluenesulfonylhydrazone?
Benzaldehyde p-Toluenesulfonylhydrazone has molecular formula C14H14N2O2S and molecular weight 274.338 g/mol.
Is Benzaldehyde p-Toluenesulfonylhydrazone hazardous?
Benzaldehyde p-Toluenesulfonylhydrazone 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 Benzaldehyde p-Toluenesulfonylhydrazone?
For Benzaldehyde p-Toluenesulfonylhydrazone, Upstream Products: Benzonitrile, 4-Methylbenzenesulfonhydrazide, Benzaldehyde; Downstream Products: 5-Methyl-3-phenyl-1H-pyrazole, 1-Phenyl-1-pentanol, n-Amylbenzene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Benzaldehyde p-Toluenesulfonylhydrazone (CAS 1666-17-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24317-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.