Tosyl cyanide
Also known as: p-Toluenesulfonyl cyanide, 4-Methylbenzenesulfonyl cyanide, p-Tosyl cyanide, Tosylcyanide, p-Tolylsulfonyl cyanide, (4-methylphenyl)sulfonylformonitrile, p-toluenesulphonyl cyanide, 4-methylbenzolsulfonylcyanid
Tosyl cyanide (CAS 19158-51-1) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C8H7NO2S and a molecular weight of 181.212 g/mol. Key properties include a melting point of 47-50 °C(lit.), a boiling point of 289.8±0.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 125.5±21.5 °C. It is classified under GHS with signal word Danger and hazard statements H312 — Harmful in contact with skin, H332 — Harmful if inhaled and 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.
- 19158-51-1
- Jingsj CID
- J-45038-4
- Molecular Formula
- C8H7NO2S
- Molecular Weight
- 181.212 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 47-50 °C(lit.) |
|---|---|
| Boiling Point | 289.8±0.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 125.5±21.5 °C |
| Exact Mass | 181.019745 |
| PSA | 66.31000 |
| LogP | 1.28 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.548 |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H312 — Harmful in contact with skin
- H332 — Harmful if inhaled
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2926909090 |
|---|---|
| Summary | HS:2926909090 other nitrile-function compounds 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 Tosyl cyanide?
The CAS number of Tosyl cyanide is 19158-51-1.
What are the molecular formula and molecular weight of Tosyl cyanide?
Tosyl cyanide has molecular formula C8H7NO2S and molecular weight 181.212 g/mol.
Is Tosyl cyanide hazardous?
Tosyl cyanide has GHS signal word Danger and hazard statements H312 — Harmful in contact with skin; H332 — Harmful if inhaled; H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of Tosyl cyanide?
For Tosyl cyanide, Upstream Products: Sodium p-toluenesulfinate; Downstream Products: 2-Bromo-5-cyano-3-methylpyridine, 2-Azabicyclo[2.2.1]hept-5-en-3-one, 2-Furoylacetonitrile.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Tosyl cyanide (CAS 19158-51-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45038-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.