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Chemical Sampling Information (CSI)
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General Description

Synonyms: Phosphorus persulfide; Regular phosphorus pentasulfide; Reactive phosphorus pentasulfide; Undistilled pentasulfide

OSHA IMIS Code Number: 2092

Chemical Abstracts Service (CAS) Registry Number: 1314-80-3

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: TH4375000

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: 1340 139

NIOSH Pocket Guide to Chemical Hazards, Phosphorus Pentasulfide: chemical description, physical properties, potentially hazardous incompatibilities, and more

Chemical Description and Physical Properties:

greenish-yellow solid with an odor of rotten eggs
molecular weight: 222 or 445
vapor pressure: 1 mm at 572°F
boiling point: 955°F
melting point: 527°F

Incompatibilities: Water, alcohols, strong oxidizers

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

General Industry: 1 mg/m3

Construction Industry: 1 mg/m3 TWA

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 1 mg/m3 TWA; 3 mg/m3 STEL

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 1 mg/m3 TWA; 3 mg/m3 STEL

Health Factors

Potential Symptoms: Apnea; coma, convulsions; eye irritation, conjunctivitis pain, lacrimation, photophobia, kerato-conjunctivitis, corneal vesiculation; respiratory system irritation; dizziness; headaches; fatigue; irritability, insomnia; GI disturbance

Health Effects: Irritation-Eye, Nose, Throat, Skin---Marked (HE14) H2S Hazard (HE4)

Affected Organs: Respiratory system, CNS, eyes, skin

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Low Ash Polyvinyl Chloride (LAPVC) filter 5 microns
    maximum volume: 960 Liters
    maximum volume: 120 Liters
    maximum flow rate: 2.0 L/min (TWA)
    maximum volume: 30 Liters
    maximum flow rate: 2.0 L/min (STEL)
    current analytical method: Ion Chromatography; IC
    method reference: 2 (OSHA ID-128SG)
    method classification: Partially Validated
    note: Submit as a separate sample.

Wipe Sampling Method:

  • sampling media: Whatman smear tab
    analytical solvent: Deionized water

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