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Tin, inorganic compounds (except oxides) (as Sn)

General Description

Synonyms:  Metallic tin; Tin flake; Tin metal; Tin powder; Elemental tin

OSHA IMIS code: 2430

CAS number(s): 7440-31-5

Exposure Limits and Health Effects (Updated September 6, 2012)

Standard Set By Exposure Limit Health Effect Codes -- Health Effects and Target Organs
OSHA PEL - General Industry
See 29 CFR 1910.1000 Table Z-1
2 mg/m3 TWA
HE10 -- stannosis
OSHA PEL - Construction Industry
See 29 CFR 1926.55 Appendix A
2 mg/m3 TWA
HE10 -- stannosis
OSHA PEL - Shipyard Employment
See 29 CFR 1915.1000 Table Z - Shipyards
2 mg/m3 TWA
HE10 -- stannosis
NIOSH REL 2 mg/m3 TWA HE16 -- eye, nose, throat, and skin irritation
ACGIH TLV® (1992) [Excluding Tin hydride, as Sn] metal: 2 mg/m3 TWA
Oxide and inorganic compounds: 2 mg/m3 TWA
HE10 -- stannosis
CAL/OSHA PELs 2 mg/m3 TWA
HE10 -- stannosis

Stannosis is a mild form of pneumoconiosis.

Carcinogenic classification:

  • NTP: Not listed
  • IARC: Not listed
  • EPA: Not listed

EPA Inhalation Reference Concentration (RfC): Not established

ATSDR Inhalation Minimal Risk Levels (MRLs): Not established

NIOSH IDLH concentration: 100 mg Sn/m3

Notes on other potential health effects and hazards:

  1. Tin powder is combustible (NIOSH/IPCS 2004).

Partial reference list:

  • ACGIH: Threshold Limit Values (TLVs) and Biological Exposure Limits (BEIs) - Tin and Inorganic Compounds, excluding Tin Hydride. 2016.
  • NIOSH: Occupational Health Guideline for Inorganic Tin Compounds (As Tin). 1978.
  • NIOSH: Recommendations for Occupational Safety and Health. 1992.
  • NIOSH/CEC/IPCS: International Chemical Safety CardsTin. October 28, 2004.

Chemical Sampling Information

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