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Chemical Datasheet

FERRIC SULFATE

Chemical Identifiers

CAS Number UN/NA Number DOT Hazard Label USCG CHRIS Code
  • 10028-22-5
 none data unavailable
  • FSF
NIOSH Pocket Guide International Chem Safety Card
none none
NFPA 704
data unavailable
General Description
A yellow crystalline solid or a grayish-white powder. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. It is used for water purification, and as a soil conditioner.

Hazards

Reactivity Alerts
none
Air & Water Reactions
Soluble in water. Hygroscopic in air. Forms acidic aqueous solutions.
Fire Hazard
No information available.
Health Hazard
Inhalation of dust irritates nose and throat. Ingestion causes irritation of mouth and stomach. Dust irritates eyes and can irritate skin on prolonged contact. (USCG, 1999)
Reactivity Profile
FERRIC SULFATE is acidic. Corrosive to copper, copper alloys, mild steel, and galvanized steel (USCG, 1999).
Belongs to the Following Reactive Group(s)
Potentially Incompatible Absorbents

No information available.

Response Recommendations

Isolation and Evacuation
No information available.
Firefighting
No information available.
Non-Fire Response
No information available.
Protective Clothing
Dust mask; goggles or face shield; protective gloves (USCG, 1999)
DuPont Tychem® Suit Fabrics
No information available.
First Aid
INHALATION: move to fresh air.

INGESTION: give large amount of water; induce vomiting if large amounts have been swallowed.

EYES: flush with water; get medical attention if irritation persists.

SKIN: flush with water. (USCG, 1999)

Physical Properties

Chemical Formula:
  • Fe2(SO4)3
Flash Point: data unavailable
Lower Explosive Limit (LEL): data unavailable
Upper Explosive Limit (UEL): data unavailable
Autoignition Temperature: data unavailable
Melting Point: data unavailable
Vapor Pressure: data unavailable
Vapor Density (Relative to Air): data unavailable
Specific Gravity: 3.1 at 68°F (USCG, 1999) - Denser than water; will sink
Boiling Point: data unavailable
Molecular Weight: 399.88 (USCG, 1999)
Water Solubility: data unavailable
Ionization Energy/Potential: data unavailable
IDLH: data unavailable

AEGLs (Acute Exposure Guideline Levels)

No AEGL information available.

ERPGs (Emergency Response Planning Guidelines)

No ERPG information available.

PACs (Protective Action Criteria)

Chemical PAC-1 PAC-2 PAC-3
Ferric sulfate; (Iron(III) sulfate) (10028-22-5) 11 mg/m3 120 mg/m3 710 mg/m3
(DOE, 2018)

Regulatory Information

EPA Consolidated List of Lists

Regulatory Name CAS Number/
313 Category Code		 EPCRA 302
EHS TPQ		 EPCRA 304
EHS RQ		 CERCLA RQ EPCRA 313
TRI		 RCRA
Code		 CAA 112(r)
RMP TQ
Ferric sulfate 10028-22-5 1000 pounds

(EPA List of Lists, 2022)

CISA Chemical Facility Anti-Terrorism Standards (CFATS)

No regulatory information available.

OSHA Process Safety Management (PSM) Standard List

No regulatory information available.

Alternate Chemical Names