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Chemical Sampling Information (CSI)
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General Description

Synonyms: (1)RTECS 85-86

OSHA IMIS Code Number: P155

Chemical Abstracts Service (CAS) Registry Number: 142-64-3

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: TL4025000; 61021

Chemical Description and Physical Properties:

white needles, soluble in water
molecular weight: 159.08
molecular formula: C4H10N • 2HCl

Exposure Limits

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 5 mg/m3 - TWA

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 5.0 mg/m3 TWA

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Glass Fiber Filter (37 mm)
    maximum volume:     120 Liters
    maximum flow rate: 1 L/min
    current analytical method: Gas Chromatography; GC/NPD
    method reference: 2 (OSHA In-House File)
    method classification: Not Validated

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