Phenethyl isothiocyanate
异硫氰酸-2-苯乙酯
Also known as: 2-Phenylethyl isothiocyanate, 2-Isothiocyanatoethylbenzene, 1-(2-Isothiocyanatoethyl)benzene, Isothiocyanic acid 2-phenylethyl ester, Isothiocyanic acid phenethyl ester, Beta-phenethyl isothiocyanate, Beta-phenylethyl isothiocyanate, Phenethyl mustard oil, Phenylethyl isothiocyanate, PEITC, PhCH2CH2NCS, NSC 87868
Phenethyl isothiocyanate (CAS 2257-09-2) 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 2-Phenylethyl isothiocyanate, 2-Isothiocyanatoethylbenzene and 1-(2-Isothiocyanatoethyl)benzene. Key properties include a boiling point of 75 °C0.25 mm Hg, a density of 1.094 g/mL at 25 °C(lit.) and a flash point of >230 °F. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2257-09-2
- Jingsj CID
- J-44606-0
- Molecular Formula
- C9H9NS
- Chinese Name
- 异硫氰酸-2-苯乙酯
- 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 | 75 °C0.25 mm Hg |
|---|---|
| Density | 1.094 g/mL at 25 °C(lit.) |
| Flash Point | >230 °F |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of Phenethyl isothiocyanate?
The CAS number of Phenethyl isothiocyanate is 2257-09-2.
What are the molecular formula and molecular weight of Phenethyl isothiocyanate?
Phenethyl isothiocyanate has molecular formula C9H9NS and molecular weight 163.23900 g/mol.
Is Phenethyl isothiocyanate hazardous?
Phenethyl isothiocyanate has GHS signal word Danger.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Phenethyl isothiocyanate (CAS 2257-09-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44606-0 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.