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NIOSH Pocket Guide to Chemical Hazards

September 2005

Aluminum

CAS
7429-90-5

Al

RTECS
BD0330000
Synonyms & Trade Names

Aluminium, Aluminum metal, Aluminum powder, Elemental aluminum
DOT ID & Guide
1309 170 (powder, coated)
1396 138 (powder, uncoated)
9260 169 (molten)

Exposure
Limits

NIOSH REL: TWA 10 mg/m3 (total) TWA 5 mg/m3 (resp)
OSHA PEL: TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)
IDLH
N.D. See: IDLH INDEX
Conversion
Physical Description
Silvery-white, malleable, ductile, odorless metal.
MW: 27.0
BP: 4221°F
MLT: 1220°F
Sol: Insoluble
VP: 0 mmHg (approx)
IP: NA

Sp.Gr: 2.70
Fl.P: NA
UEL: NA
LEL: NA

Combustible Solid, finely divided dust is easily ignited; may cause explosions.
Incompatibilities & Reactivities

Strong oxidizers & acids, halogenated hydrocarbons [Note: Corrodes in contact with acids & other metals. Ignition may occur if powders are mixed with halogens, carbon disulfide, or methyl chloride.]
Measurement Methods
NIOSH 7013, 7300, 7301, 7303; OSHA ID121
See: NMAM or OSHA Methods
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

Breathing: Fresh air

Respirator Recommendations
Not available.
Important additional information about respirator selection
Exposure Routes
inhalation, skin and/or eye contact
Symptoms
Irritation eyes, skin, respiratory system
Target Organs
Eyes, skin, respiratory system
See also: INTRODUCTION   See ICSC CARD: 0988   See MEDICAL TESTS: 0011

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