4-Methoxyphenyl isothiocyanate
Also known as: 1-Isothiocyanato-4-methoxybenzene, 4-Isothiocyanatoanisole, p-Methoxyphenyl isothiocyanate, 4-Methoxyphenyl isothiocyanate, Benzene, 1-isothiocyanato-4-methoxy-, Isothiocyanic acid 4-methoxyphenyl ester, 4-MeOC6H4NCS, p-MeOC6H4-NCS, EINECS 218-921-3, MFCD00011676
4-Methoxyphenyl isothiocyanate (CAS 2284-20-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H7NOS and a molecular weight of 165.212 g/mol. Key properties include a melting point of 18 °C(lit.), a boiling point of 280.5±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 119.5±22.6 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage, H317 — May cause an allergic skin reaction and H334 — May cause allergy or asthma symptoms if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2284-20-0
- Jingsj CID
- J-44594-3
- Molecular Formula
- C8H7NOS
- Molecular Weight
- 165.212 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 18 °C(lit.) |
|---|---|
| Boiling Point | 280.5±0.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 119.5±22.6 °C |
| Exact Mass | 165.024841 |
| PSA | 53.68000 |
| LogP | 3.59 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.552 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
- H317 — May cause an allergic skin reaction
- H334 — May cause allergy or asthma symptoms if inhaled
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-Methoxyphenyl isothiocyanate?
The CAS number of 4-Methoxyphenyl isothiocyanate is 2284-20-0.
What are the molecular formula and molecular weight of 4-Methoxyphenyl isothiocyanate?
4-Methoxyphenyl isothiocyanate has molecular formula C8H7NOS and molecular weight 165.212 g/mol.
Is 4-Methoxyphenyl isothiocyanate hazardous?
4-Methoxyphenyl isothiocyanate has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage; H317 — May cause an allergic skin reaction; H334 — May cause allergy or asthma symptoms if inhaled.
What are the upstream and downstream products of 4-Methoxyphenyl isothiocyanate?
For 4-Methoxyphenyl isothiocyanate, Upstream Products: Carbon disulphide, p-Anisidine, N-Hydroxy-4-methoxybenzenecarboximidoyl chloride; Downstream Products: 4-(4-Methoxyphenyl)-3-thiosemicarbazide, 3-Hydroxy-4'-methoxy-2-naphthanilide, p-Anisidine.
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-Methoxyphenyl isothiocyanate (CAS 2284-20-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44594-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.