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Safety and Health Topics: |
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| o-Chlorobenzylidene Malononitrile |
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General Description
Synonyms: OCBM; CS; o-Chlorobenzylidene Malonitrile
OSHA IMIS Code Number: 0623
Chemical Abstracts Service (CAS) Registry Number: 2698-41-1
NIOSH, Registry of Toxic Effects (RTECS) Identification Number: OO3675000
Department of Transportation Regulation Number (49 CFR 172.101) and Guide: 2810 153
NIOSH Pocket Guide to Chemical Hazards, o-Chlorobenzylidene Malononitrile: chemical description, physical properties, potentially hazardous incompatibilities, and more
Exposure Limits
OSHA Permissible Exposure Limit (PEL) for General Industry: 29 CFR 1910.1000 Z-1 Table -- 0.05 ppm, 0.4 mg/m3 TWA
OSHA Permissible Exposure Limit (PEL) for Construction Industry: 29 CFR 1926.55 Appendix A -- 0.05 ppm, 0.4 mg/m3 TWA
OSHA Permissible Exposure Limit (PEL) for Maritime: 29 CFR 1915.1000 Table Z-Shipyards -- 0.05 ppm, 0.4 mg/m3 TWA
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 0.05 ppm, 0.39 mg/m3 Ceiling; Skin; Appendix A4 - Not Classifiable as a Human Carcinogen
National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 0.05 ppm, 0.4 mg/m3 Ceiling; Skin
Health Factors
NIOSH Immediately Dangerous To Life or Health Concentration (IDLH): 2 mg/m3
Potential symptoms: Painful, burning eyes, lacrimation, conjunctivitis, erythematic eyelids, blepharospasms; irritated throat, cough, chest constriction; headaches; erythmatic vesiculation of skin
Health Effects: Irritation-Eyes, Nose, Throat, Skin---Marked (HE14)
Affected organs: Respiratory system, skin, eyes
Monitoring Methods used by OSHA
Laboratory Sampling/Analytical Method:
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sampling media: OSHA Versatile Sampler (OVS-Tenax) - 13 mm Tenax Tube (140/70 mg sections) with a Glass Fiber filter enclosed
analytical solvent: 20% Methylene Chloride in Hexane
maximum volume: 90 Liters maximum flow rate: 1.5 L/min (TWA)
minimum time: 15 Minutes maximum flow rate: 1.5 L/min (Ceiling)
current analytical method: High Performance Liquid Chromatography; HPLC/UV
method reference: OSHA Modified NIOSH Analytical Method (NIOSH P&CAM 304)
method classification: Proposed
Bulk method: Limit the amount of bulk submitted to one gram or one mL.
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