Tin

Synonyms & Trade Names

Metallic tin, Tin flake, Tin metal, Tin powder

CAS No.

7440-31-5

RTECS No.

XP7320000

DOT ID & Guide

Formula

Conversion

IDLH

100 mg/m³ (as Sn)
See: 7440315

Exposure Limits

NIOSH REL

TWA 2 mg/m³ [*Note: The REL also applies to other inorganic tin compounds (as Sn) except tin oxides.]

OSHA PEL

TWA 2 mg/m³ [*Note: The PEL also applies to other inorganic tin compounds (as Sn) except tin oxides.]

Measurement Methods

NIOSH 7300 , 7301 , 7303;
OSHA ID121 , ID206
See: NMAM or OSHA Methods

Physical Description

Gray to almost silver-white, ductile, malleable, lustrous solid.

Molecular Weight

118.7

Boiling Point

4545°F

Melting Point

449°F

Solubility

Insoluble

Vapor Pressure

0 mmHg (approx)

Ionization Potential

Specific Gravity

7.28

Flash Point

Upper Explosive Limit

Lower Explosive Limit

Noncombustible Solid, but powdered form may ignite.

Incompatibilities & Reactivities

Chlorine, turpentine, acids, alkalis

Exposure Routes

inhalation, skin and/or eye contact

Symptoms

irritation eyes, skin, respiratory system; In Animals: vomiting, diarrhea, paralysis with muscle twitching

Target Organs

Eyes, skin, respiratory system

Personal Protection/Sanitation

(See protection codes)
Skin:No recommendation
Eyes:No recommendation
Wash skin:No recommendation
Remove:No recommendation
Change:No recommendation

First Aid

(See procedures)
Eye:Irrigate immediately
Skin:Soap wash immediately
Breathing:Respiratory support
Swallow:Medical attention immediately

Respirator Recommendations

NIOSH/OSHA

Up to 10 mg/m³:
(APF = 5) Any quarter-mask respirator.
Click here for information on selection of N, R, or P filters.*

Up to 20 mg/m³:
(APF = 10) Any particulate respirator equipped with an N95, R95, or P95 filter (including N95, R95, and P95 filtering facepieces) except quarter-mask respirators. The following filters may also be used: N99, R99, P99, N100, R100, P100.
Click here for information on selection of N, R, or P filters.*
(APF = 10) Any supplied-air respirator*

Up to 50 mg/m³:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode*
(APF = 25) Any powered, air-purifying respirator with a high-efficiency particulate filter.*

Up to 100 mg/m³:

(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.

(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece

Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus

Escape:

(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter.
Click here for information on selection of N, R, or P filters.

Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

Tin

NIOSH REL

OSHA PEL

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