# NIOSH Pocket Guide to Chemical Hazards
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. | 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; OSHA ID121
Personal Protection & Sanitation 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 To be added later
Exposure Routes inhalation, skin and/or eye contact
Symptoms Irritation eyes, skin, respiratory system
Target Organs Eyes, skin, respiratory system
See also: INTRODUCTION