# NIOSH Pocket Guide to Chemical Hazards
Aluminum (pyro powders and welding fumes, as Al) | CAS
| RTECS
Synonyms & Trade Names Synonyms vary depending upon the specific aluminum compound. | DOT ID & Guide 1383 135 (powder, pyrophoric)
Exposure Limits | NIOSH REL: TWA 5 mg/m3
OSHA PEL†: none
IDLH N.D. | Conversion
Physical Description Appearance and odor vary depending upon the specific aluminum compound.
Properties vary depending upon the specific aluminum compound. |  |  |
Incompatibilities & Reactivities Varies
Measurement Methods NIOSH 7300
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 Skin: Water flush immediately Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations To be added later
Exposure Routes inhalation, ingestion, skin and/or eye contact
Symptoms Irritation skin, respiratory system; pulmonary fibrosis
Target Organs Skin, respiratory system
See also: INTRODUCTION