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Chemical Sampling Information (CSI)
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General Description

Synonyms: Sulfur chloride; Sulfur subchloride

OSHA IMIS Code Number: 2320

Chemical Abstracts Service (CAS) Registry Number: 10025-67-9

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: WS4300000

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: 1828 137

Chemical Description and Physical Properties:

amber to red, fuming, oily liquid with a pungent, nauseating, irritating odor
molecular weight: 135
vapor pressure: 6.8 mm
boiling point: 280°F
melting point: -105°F

Incompatibilities: Peroxides, oxides of phosphorous, organics; water

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

General Industry: 1 ppm, 6 mg/m3

Construction Industry: 1 ppm, 6 mg/m3 Ceiling

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 1 ppm, 5.5 mg/m3 Ceiling

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 1 ppm Ceiling

Health Factors

Potential Symptoms: Lacrimation; coughing; eye, skin burns; pulmonary edema

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

Affected Organs: Respiratory system, skin, eyes

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Midget Fritted Glass Bubbler (MFGB) containing 10 mL Deionized Water
    maximum volume: 30 Liters
    maximum flow rate: 1.0 L/min (TWA)
    minimum time: 5 Minutes
    maximum flow rate: 1.0 L/min (Ceiling)
    current analytical method: Ion Chromatography; IC
    method reference: 2 (OSHA In-house file)
    method classification: Not Validated
    note: Submit as separate sample. An analysis is performed for total Cl- and reported as the compound.

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