4-ethylphenyl isothiocyanate
4-乙基异硫氰酸苯酯
Also known as: 1-ethyl-4-isothiocyanatobenzene, 4-ethylbenzenisothiocyanate, 4-ethylphenylthioisocyanate, AKOS B016341, Benzene, 1-ethyl-4-isothiocyanato-, MFCD00041101
4-ethylphenyl isothiocyanate (CAS 18856-63-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H9NS and a molecular weight of 163.23900 g/mol. It is also known as 1-ethyl-4-isothiocyanatobenzene, 4-ethylbenzenisothiocyanate and 4-ethylphenylthioisocyanate. Key properties include a boiling point of 245 °C(lit.), a density of 1.075 g/mL at 25 °C(lit.) and a flash point of >230 °F. 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.
- 18856-63-8
- Jingsj CID
- J-47835-7
- Molecular Formula
- C9H9NS
- Chinese Name
- 4-乙基异硫氰酸苯酯
- Molecular Weight
- 163.23900 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 245 °C(lit.) |
|---|---|
| Density | 1.075 g/mL at 25 °C(lit.) |
| Flash Point | >230 °F |
| Exact Mass | 163.04600 |
| PSA | 44.45000 |
| LogP | 2.98330 |
| Vapor Pressure | 0.0229mmHg at 25°C |
| Refractive Index | n20/D 1.62(lit.) |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
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-ethylphenyl isothiocyanate?
The CAS number of 4-ethylphenyl isothiocyanate is 18856-63-8.
What are the molecular formula and molecular weight of 4-ethylphenyl isothiocyanate?
4-ethylphenyl isothiocyanate has molecular formula C9H9NS and molecular weight 163.23900 g/mol.
Is 4-ethylphenyl isothiocyanate hazardous?
4-ethylphenyl isothiocyanate has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 4-ethylphenyl isothiocyanate?
For 4-ethylphenyl isothiocyanate, Upstream Products: Thiophosgene, 4-Ethylaniline; Downstream Products: 4-(4-Ethylphenyl)-3-thiosemicarbazide, 1-(4-Ethylphenyl)-2-thiourea.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-ethylphenyl isothiocyanate (CAS 18856-63-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47835-7 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.