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Allyl isothiocyanate

General Description

  • Synonyms: Allyl isosulfocyanate; 3-Isothiocyanato-1-propene; Isothiocyanic acid, allyl ester; Mustard Oil; 2-Propenyl isothiocyanate
  • OSHA IMIS Code Number: A107
  • Chemical Abstracts Service (CAS) Registry Number: 57-06-7
  • NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: NX8225000
  • Department of Transportation Regulation Number (49 CFR 172.101) and Emergency Response Guidebook: 1545 155 (stabilized)
  • Chemical Description and Physical Properties:
    • colorless to pale yellow, oily liquid, with pungent odor
    • molecular weight: 99.16
    • vapor pressure: 9.976 mm Hg @ 38.3°C
    • molecular formula: C4H5NS
    • boiling point: 148-154°C
    • flash point: 46°C closed cup
    • melting point: -80°C

Health Factors

  • Carcinogenic Classification:
  • Potential Symptoms: Irritation of eyes, skin, nose, throat; eye, skin burns; Ingestion Acute; Burns in mouth, throat and stomach. Exposure Chronic: Cough, bronchial irritation and pneumonia; burns in nose and mouth, erosion of teeth; dermatitis; conjunctivitis
  • Health Effects: Irritation-Eyes, Nose, Throat, Bronchi, Skin---Marked (HE14)
  • Affected Organs: Eyes, skin, respiratory system
  • Literature Basis:

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • Charcoal Tube (100/50 mg sections; 20/40 mesh)
  • analytical solvent: (99:1) Carbon Disulfide:Dimethylformamide
  • maximum volume: 20 Liters
  • maximum flow rate: 0.1 L/min.
  • current analytical method: Gas Chromatography; GC/FID
  • method reference: OSHA Salt Lake Technical Center In-house File
  • method classification: Not Validated

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