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Chemical Sampling Information (CSI)
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General Description

OSHA IMIS Code Number: 2130

Chemical Abstracts Service (CAS) Registry Number: 7440-06-4

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: TP2160000

Chemical Description and Physical Properties:

solid, properties vary depending upon specific compound

Incompatibilities: None hazardous

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

General Industry: 0.002 mg/m3

Construction Industry: 0.002 mg/m3 TWA

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 0.002 mg/m3 TWA

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 0.002 mg/m3 TWA

Health Factors

Potential Symptoms: Eye, nose irritation; cough, dyspnea, wheezing, cyanosis; skin sensitization; lymphocytosis

Health Effects: Respiratory sensitization (Asthma) (HE9) Irritation-Eyes, Nose, Throat, Skin (Dermatitis)---Moderate (HE15)

Affected Organs: Respiratory system, skin, eyes

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Mixed Cellulose Ester Filter (MCEF) 0.8 microns
    analytical solvent: Deionized Water
    maximum volume: 960 Liters
    minimum volume: 480 Liters
    maximum flow rate: 2.0 L/min
    current analytical method: Atomic Absorption Spectrophotometry; AAS/GF
    method reference: 2 (OSHA ID130SG)
    method classification: Partially Validated
    note: Submit as a separate sample.

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