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(R)-(+)-1-Phenylethyl isocyanate

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(R)-(+)-1-Phenylethyl isocyanate molecular structure
Molecular structure

The Sigma-Aldrich catalog lists 4 grades and pack sizes of (R)-(+)-1-Phenylethyl isocyanate (CAS 33375-06-3). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS33375-06-3
Molecular formulaC9H9NO
Molecular weight147.18 g/mol
IUPAC name[(1R)-1-isocyanatoethyl]benzene
SynonymsBenzene, [(1R)-1-isocyanatoethyl]- · RefChem:406964 · (+)-alpha-Methylbenzyl isocyanate · (R)-(+)-alpha-Methylbenzyl isocyanate · [(1R)-1-Isocyanatoethyl]Benzene · r-(+)-a-methylbenzyl isocyanate
Safety & Hazards (GHS) Danger
Acute toxic Acute toxic Health hazard Health hazard
  • H315 Causes skin irritation
  • H319 Causes serious eye irritation
  • H330 Fatal if inhaled
  • H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
  • H335 May cause respiratory irritation

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand Product / grade Code
Sigma (R)-(+)-ALPHA-METHYLBENZYL ISOCYANATE, 9 220574-1G
220574-5G		 Request Quote
Sigma R(+)-1-PHENYLETHYL ISOCYANATE STAB. 77968-1ML
77968-5ML		 Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.