4-Methylphenyl isothiocyanate
Also known as: p-Tolyl isothiocyanate, Isothiocyanic acid p-tolyl ester, Isothiocyanic acid 4-methylphenyl ester, 1-isothiocyanato-4-methylbenzene, 4-Methylphenyl isothiocyanate, p-Tolyl isothiocyanate, 4-Tolyl isothiocyanate
4-Methylphenyl isothiocyanate (CAS 622-59-3) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C8H7NS and a molecular weight of 149.21300 g/mol. Key properties include a melting point of 25-26 °C(lit.), a boiling point of 237 °C(lit.), a density of 1.02 g/cm3 and a flash point of 107 °C. It is classified under GHS with signal word Danger and hazard statements H315 — Causes skin irritation, H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 622-59-3
- Jingsj CID
- J-44619-5
- Molecular Formula
- C8H7NS
- Molecular Weight
- 149.21300 g/mol
- Category
- Solvents
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 25-26 °C(lit.) |
|---|---|
| Boiling Point | 237 °C(lit.) |
| Density | 1.02 g/cm3 |
| Flash Point | 107 °C |
| Exact Mass | 149.03000 |
| PSA | 44.45000 |
| LogP | 2.72930 |
| Refractive Index | n20/D 1.6345(lit.) |
| Additional Property | MAY DECOMPOSE |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye irritation
- H334 — May cause allergy or asthma symptoms if inhaled
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Methylphenyl isothiocyanate?
The CAS number of 4-Methylphenyl isothiocyanate is 622-59-3.
What are the molecular formula and molecular weight of 4-Methylphenyl isothiocyanate?
4-Methylphenyl isothiocyanate has molecular formula C8H7NS and molecular weight 149.21300 g/mol.
Is 4-Methylphenyl isothiocyanate hazardous?
4-Methylphenyl isothiocyanate has GHS signal word Danger and hazard statements H315 — Causes skin irritation; H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 4-Methylphenyl isothiocyanate?
For 4-Methylphenyl isothiocyanate, Upstream Products: Carbon disulphide, p-Toluidine, Thiophosgene; Downstream Products: 2-chloro-6-methylbenzo[d]thiazole, 2,3,4,6-Tetra-O-acetyl-α-D-glucopyranosyl azide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Methylphenyl isothiocyanate (CAS 622-59-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44619-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.