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Chemical Sampling Information (CSI)
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General Description

Synonyms: Amidocyanogen, carbamonitrile, carbimide, carbodrimide, cyanoamine, cyanogen nitride hydrogen cyanamide

OSHA IMIS Code Number: 0782

Chemical Abstracts Service (CAS) Registry Number: 420-04-2

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: GS5950000; 27661

Chemical Description and Physical Properties:
molecular weight: 42.05
molecular formula: CH2N2
Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 2 mg/m3 TWA

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 2 mg/m3 TWA

Health Factors

Health Effects: Irritation-Eye, Nose, Throat, Skin---Marked (HE14) Acute Toxicity (HE4)

Date Last Revised: 08/24/1992

NIOSH/OSHA/DOE Health Guideline: Cyanamide

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • sampling media: Coated XAD-2 Tube (80/40 mg sections, 20/60 mesh); Coating is 10% (w/w) 1-Naphthylisothiocyanate
    maximum volume: 10 Liters
    maximum flow rate: 0.1 L/min
    current analytical method: High Performance Liquid Chromatography; HPLC/U.
    method reference: 2 (OSHA In-House File)
    method classification: Not Validated
Conditions: Column: CN Mobile Phase: 80:20 Isooctane: IPA Detector Wavelength: 254nm Detection Limit:

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