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Chemical Sampling Information (CSI)
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General Description

Synonyms: 6,7,8,9,10,10-Hexachloro-1,5,5a,6,9,9a-hexahydro-6,9-methano-2,3,4 benzo(e)dioxathiepin-3-oxide; Thiodan; Benzoepin

OSHA IMIS Code Number: 2425

Chemical Abstracts Service (CAS) Registry Number: 115-29-7

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: RB9275000; 52405

Department of Transportation Regulation Number (49 CFR 172.101) and Guide: NA2761 Poison 151

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

Chemical Description and Physical Properties:

solid
molecular weight: 407
melting point: 70 to 100°C

Exposure Limits

OSHA Permissible Exposure Limit (PEL):
Construction Industry: 0.1 mg/m3 TWA (Skin)
American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 0.1 mg/m3 TWA (Skin); Appendix A4 (Not Classifiable as a Human Carcinogen)

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 0.1 mg/m3 TWA (Skin)

Health Factors

Health Effects: Acute CNS Toxin (HE4); Cumulative kidney damage (HE3) LD50 (oral,rat) 18-43 mg/kg
Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):
  • sampling media: OSHA Versatile Sampler (OVS-2) - 13 mm XAD-2 Tube (270/140 mg sections, 20/60 mesh) with Glass Fiber filter enclosed
    maximum value: 60 Liters   
    maximum flow rate:     1.0 L/min
    current analytical method: Gas Chromatography; GC/ECD
    method reference: 2 (OSHA In-House File)
    method classification: Partially Validated
Conditions:1) Hexane extraction; 3% OV 17 80/100 Chrom W HP; Oven 250 deg. C; Inj. 295 deg. C; Det. 310 deg. C; Retention time, 2-3 min; DL 0.08 ug/sample; C/P KM 2) Toluene extraction (10 m x 0.32 mm i.d.) DB-5 with 1 um film, Inj. 235 deg C; Oven 170 deg C; Det. 300 deg C. Ret time 10.3 & 15.6 min, DL 0.2 ug/sample.

Bulk Method: Limit the amount of bulk submitted to one gram or one mL.

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Page last updated: 12/08/1998