Ferrous sulfate

  • Copperas
  • Duretter
  • Duroferon
  • Exsiccated ferrous sulfate
  • Exsiccated ferrous sulphate
  • Feosol
Formula
FeSO4S
Structure
Description
Green crystals.
Uses
In manufacture of iron, iron compound, other sulfates, in iron electroplating baths, in fertilizer, as food and feed supplement, in radiation dosimeters, as reducing agent in chemical processes, as wood preservative, as weed killer, in prevention of chlorosis in plants, in other pesticides, in writing ink, in process engraving and lithography, as dye for leather, in etching aluminum, in water treatment, in qualitative analysis (brown ring test for nitrates), as polymerization catalyst.

Registry Numbers and Inventories.
CAS
7720-78-7
EC (EINECS/ELINCS)
231-753-5
RTECS
NO8500000
RTECS class
Tumorigen; Drug; Mutagen; Reproductive Effector; Human Data
UN (DOT)
9125
Merck
12,4105
Beilstein/Gmelin
8298 (G)
Swiss Giftliste 1
G-1607
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
FeO4S
Formula mass
151.90
Vapor density (air=1)
N/R
Odor Threshold Odor threshold Odorless
Density
2.841 g/cm3

Hazards and Protection.
Storage
Store in tight containers.
Handling
Containers of this material may be hazardous when emptied. Since emptied containers retain product residues (vapor, liquid, and/or solid), all hazard precautions given in the data sheet must be observed.
Protection
Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Wear resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.
Respirators
If workplace exposure limit(s) of product or any component is exceeded (see exposure guidelines), a NIOSH/MSHA approved air supplied respirator is advised in absence of proper environmental control. OSHA regulations also permit other NIOSH/MSHA respirators (negative pressure type) under specified conditions.
Small spills/leaks
Small Spill - Sweep up material for disposal or recovery. Large Spill - Prevent run-off to sewers, streams or other bodies of water. If run-off occurs, notify proper authorities as required, that a spill has occurred. Persons not wearing protective equipment should be excluded from area of spill until clean-up has been completed. Shovel material into containers. Thoroughly sweep area of spill to clean up any residual material. Do not flush into sewers. Material should be placed in a container for recovery or transfer to a disposal facility.
Stability
Stable.
Incompatibilities
Incompatible with alkalies, sol carbonates, gold and silver salts, lead acetate, lime water, potassium iodide, potassium and sodium tartrate, sodium borate, tannin, vegetable astringent infusions and decoctions.
Decomposition
Sulfur oxides.

Fire.
Fire fighting
Extinguish fire using an extinguishing media appropriate for surrounding fire. Wear a self-contained breathing apparatus with a full facepiece operated in the positive pressure demand mode with appropriate turn-out gear and chemical resistant personal protective equipment.
Health
1
 
Flammability
0
 
 
Reactivity
0
 

Health.
Exposure limit(s)
OSHA: Vacated 1989 OSHA PEL TWA 1 mg/m3 is still enforced in some states.
Poison_Class
3
Exposure effects
Blood pressure may be decreased following an iron overdose. Lethargy, restlessness or confusion may be seen early in the poisoning. Convulsions and coma may occur in later phases. Case reports of pregnant women who have received early aggressive treatment (decontamination and/or deferoxamine) have described good fetal outcomes.
   Ingestion
Swallowing small amounts of this material during normal handling is not likely to cause harmful effects. Swallowing large amounts may be harmful.
   Inhalation
Noncardiogenic pulmonary edema may develop with severe intoxication.
   Skin
May cause mild skin irritation. Symptoms may include redness and burning of skin.
   Eyes
Can cause severe eye irritation. Symptoms include stinging, tearing, redness, and swelling of eyes. Can injure eye tissue.

First aid
 
   Ingestion
Seek medical attention. If individual is drowsy or unconscious, do not give anything by mouth; place individual on the left side with the head down. Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting. If possible, do not leave individual unattended.
   Inhalation
If symptoms develop, immediately move individual away from exposure and into fresh air. Seek immediate medical attention; keep person warm and quiet. If person is not breathing, begin artificial respiration. If breathing is difficult, administer oxygen.
   Skin
Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention. Launder clothing before reuse.
   Eyes
If symptoms develop, immediately move individual away from exposure and into fresh air. Flush eyes gently with water for at least 15 minutes while holding eyelids apart; seek immediate medical attention.

Transport.
UN number
9125
Response guide
USCG CHRIS Code
FRS