(S)-(-)-1-Phenylethyl isocyanate
(S)-(-)-α-甲基苄基异氰酸酯
Also known as: (S)-(-)-alpha-Methylbenzyl isocyanate, Isocyanic acid (S)-(-)-1-phenylethyl ester, Isocyanic acid (S)-(-)-alpha-methylbenzyl ester, (S)-(-)-1-Phenylethyl isocyanate, Benzene, [(1S)-1-isocyanatoethyl]-, (-)-[(S)-1-Isocyanatoethyl]benzene, (S)-(-)-α-Methylbenzyl isocyanate, (S)-Methyl benzyl isocyanate, (1S)-1-Isocyanatoethylbenzene, MFCD00002036
(S)-(-)-1-Phenylethyl isocyanate (CAS 14649-03-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H9NO and a molecular weight of 147.174 g/mol. It is also known as (S)-(-)-alpha-Methylbenzyl isocyanate, Isocyanic acid (S)-(-)-1-phenylethyl ester and Isocyanic acid (S)-(-)-alpha-methylbenzyl ester. Key properties include a boiling point of 204.1±19.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 65.6±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H330 — Fatal if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 14649-03-7
- Jingsj CID
- J-21830-4
- Molecular Formula
- C9H9NO
- Chinese Name
- (S)-(-)-α-甲基苄基异氰酸酯
- Molecular Weight
- 147.174 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 204.1±19.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 65.6±0.0 °C |
| Exact Mass | 147.068420 |
| PSA | 29.43000 |
| LogP | 2.95 |
| Vapor Pressure | 0.3±0.4 mmHg at 25°C |
| Refractive Index | 1.515 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H330 — Fatal if inhaled
- H334 — May cause allergy or asthma symptoms if inhaled
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2929109000 |
|---|---|
| Summary | 2929109000. other isocyanates. 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 (S)-(-)-1-Phenylethyl isocyanate?
The CAS number of (S)-(-)-1-Phenylethyl isocyanate is 14649-03-7.
What are the molecular formula and molecular weight of (S)-(-)-1-Phenylethyl isocyanate?
(S)-(-)-1-Phenylethyl isocyanate has molecular formula C9H9NO and molecular weight 147.174 g/mol.
Is (S)-(-)-1-Phenylethyl isocyanate hazardous?
(S)-(-)-1-Phenylethyl isocyanate has GHS signal word Danger and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H330 — Fatal if inhaled.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "(S)-(-)-1-Phenylethyl isocyanate (CAS 14649-03-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21830-4 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.