# NIOSH Pocket Guide to Chemical Hazards
Iron salts (soluble, as Fe) | CAS
| RTECS
Synonyms & Trade Names FeSO4: Ferrous sulfate, Iron(II) sulfate FeCl2: Ferrous chloride, Iron(II) chloride Fe(NO3)3: Ferric nitrate, Iron(III) nitrate Fe(SO4)3: Ferric sulfate, Iron(III) sulfate FeCl3: Ferric chloride, Iron(III) chloride | DOT ID & Guide
Exposure Limits | NIOSH REL: TWA 1 mg/m3
OSHA PEL†: none
IDLH N.D. | Conversion
Physical Description Appearance and odor vary depending upon the specific soluble iron salt.
Properties vary depending upon the specific soluble iron salt. |  |  |
Varies |  |  |
Noncombustible Solids
Incompatibilities & Reactivities
Measurement Methods NIOSH 7300; OSHA ID121, ID125G
Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: Daily Remove: No recommendation Change: Daily | First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations To be added later
Exposure Routes inhalation, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin, mucous membrane; abdominal pain, diarrhea, vomiting; possible liver damage
Target Organs Eyes, skin, respiratory system, liver, gastrointestinal tract
See also: INTRODUCTION