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7720-78-7

Basic Information
CAS No.: 7720-78-7
Name: Ferrous sulfate
Molecular Structure:
Molecular Structure of 7720-78-7 (Ferrous sulfate)
Formula: FeSO4
Molecular Weight: 151.91
Synonyms: Combiron;Copperas;Duretter;Duroferon;Exsiccated ferrous sulfate;Exsiccated ferroussulphate;Feofol Spansule;Feosol;Feospan;Fer-In-Sol;Ferlim;Fero-Folic 500;Ferogradumet;Ferralyn;Ferro-Gradumet;Ferro-Theron;Ferromyn;Ferrosand;Ferrous sulfate (1:1);Ferrous sulphate;Fersolate;Green Salts;Green vitriol;Iron monosulfate;Iron sulfate (1:1);Iron sulfate (FeSO4);Iron vitriol;Iron(2+) sulfate;Iron(2+) sulfate (1:1);Iron(II) sulfate;Irospan;Kesuka;Microfer Spansule;Odophos;Plastufer;Quickfloc;Quickfloc (salt);SFE 171;Slow-Fe;Sulferrous;Sulfuricacid iron salt (1:1);ferrous sulfate monohydrate;Ferrous sulfate heptahydrate;heptahydrate Ferrous sulfate;
EINECS: 231-753-5
Density: 1.898
Melting Point: 64oC
Boiling Point: 330 °C at 760 mmHg
Solubility: g/100g solution H2O: 13.6 (0°C), 22.8 (25°C), 24.0 (100°C); solid phase, FeSO4 · 7H2O (0°C, 25°C), FeSO4 ·H2O (100°C) [KRU93]
Hazard Symbols: R25:;
Risk Codes: 25
Safety: 45
PSA: 82.98000
LogP: 0.42550
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    Product name: Ferrous Sulphate Mono CAS No.:7720-78-7 Molecule Formula:FeSO4 Molecule Weight:151.91 Purity: 91.0% Package: 25kg/bag Description:Grey powder Manufacture Standards:Enterprise Standard TESTING ITEMS

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  • FERROUS SULFATE

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    FERROUS SULFATE

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    Product Name: FERROUS SULFATE CAS: 7720-78-7 MF: FeO4S MW: 151.91 EINECS: 231-753-5 Mol File: 7720-78-7.mol FERROUS SULFATE Structure FERROUS SULFATE Chemical Properties Melting point decomposes at 671℃ [JAN85] density 3.

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Chemistry

Molecular structure of Ferrous sulfate (CAS NO.7720-78-7) is:

Product Name: Ferrous sulfate
CAS Registry Number: 7720-78-7
IUPAC Name: iron(2+) sulfate
Molecular Weight: 151.9076 [g/mol]
Molecular Formula: FeO4S
H-Bond Donor: 0
H-Bond Acceptor: 4 
EINECS: 231-753-5 
Enthalpy of Vaporization: 62.94 kJ/mol
Boiling Point: 330 °C at 760 mmHg
Vapour Pressure: 3.35E-05 mmHg at 25°C 
Other Registry Number: 139939-63-2 ;56172-58-8 ;8060-18-2 ;8063-79-4 ;
Related Registry Number: 7782-63-0 (heptahydrate)
Product Categories: Inorganic & Organic Chemicals;Inorganics

Uses

Industrially, Ferrous sulfate (CAS NO.7720-78-7) is mainly used as a precursor to other iron compounds. It is a reducing agent, mostly for the reduction of chromate in cement.In nutritional supplement, it can be used to fortify foods and to treat iron-deficiency anemia and also used for treating iron chlorosis. In colorant, it can be used in such as used in the manufacture of inks.In horticulture it is used for treating iron chlorosis. It is also used as a lawn conditioner and moss killer. It has been applied for the purification of water by flocculation and for phosphate removal in municipal and industrial sewage treatment plants to prevent eutrophication of surface water bodies. It is used as a traditional method of treating wood panel on houses, either alone, dissolved in water, or as a component of water-based paint.

Production

In the finishing of steel prior to plating or coating, the steel sheet or rod is passed through pickling baths of sulfuric acid. This will produces large quantities of Ferrous sulfate (CAS NO.7720-78-7) as a by-product:

Fe + H2SO4 → FeSO4 + H2
Another source of  ferrous sulfate is  from the production of titanium dioxide from ilmenite via the sulfate process. 
It is also prepared by oxidation of pyrite commercially :

2 FeS2 + 7 O2 + 2 H2O → 2 FeSO4 + 2 H2SO4

Toxicity Data With Reference

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
child LDLo oral 390mg/kg (390mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: ANOREXIA (HUMAN
Journal of Pediatrics. Vol. 64, Pg. 218, 1964.
 
child LDLo oral 435mg/kg (435mg/kg) BEHAVIORAL: COMA

VASCULAR: BP LOWERING NOT CHARACTERIZED IN AUTONOMIC SECTION

LIVER: "JAUNDICE, OTHER OR UNCLASSIFIED"
Journal of Pediatrics. Vol. 95, Pg. 138, 1979.
 
child LDLo oral 699mg/kg (699mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

CARDIAC: OTHER CHANGES

VASCULAR: BP LOWERING NOT CHARACTERIZED IN AUTONOMIC SECTION
Journal of Forensic Sciences. Vol. 27, Pg. 955, 1982.
 
child TDLo oral 20mg/kg (20mg/kg) BRAIN AND COVERINGS: RECORDINGS FROM SPECIFIC AREAS OF CNS

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

BEHAVIORAL: COMA
Journal of Pediatrics. Vol. 94, Pg. 147, 1979.
 
child TDLo oral 150mg/kg (150mg/kg) BEHAVIORAL: COMA

GASTROINTESTINAL: NAUSEA OR VOMITING

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"
New England Journal of Medicine. Vol. 273, Pg. 1124, 1965.
 
child TDLo oral 250mg/kg (250mg/kg) GASTROINTESTINAL: ALTERATION IN GASTRIC SECRETION

KIDNEY, URETER, AND BLADDER: "CHANGES IN TUBULES (INCLUDING ACUTE RENAL FAILURE, ACUTE TUBULAR NECROSIS)"

GASTROINTESTINAL: PERITONITIS
Clinical Toxicology. Vol. 8, Pg. 3, 1975.
 
child TDLo oral 736mg/kg (736mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

VASCULAR: SHOCK
Indian Journal of Pediatrics. Vol. 64, Pg. 485, 1997.
 
child TDLo oral 750mg/kg (750mg/kg) CARDIAC: PULSE RATE

GASTROINTESTINAL: NAUSEA OR VOMITING

VASCULAR: BP LOWERING NOT CHARACTERIZED IN AUTONOMIC SECTION
Journal of Toxicology, Clinical Toxicology. Vol. 33, Pg. 61, 1995.
 
child TDLo oral 68640mg/kg/5Y (68640mg/kg) LIVER: OTHER CHANGES Pediatrics. Vol. 105, Pg. 429, 2000.
 
dog LD50 intravenous 79mg/kg (79mg/kg)   American Journal of the Medical Sciences. Vol. 241, Pg. 296, 1961.
 
guinea pig LD50 oral 1200mg/kg (1200mg/kg)   Clinical Pediatrics Vol. 5, Pg. 485, 1966.
 
infant LDLo oral 4400ug/kg (4.4mg/kg) BEHAVIORAL: COMA

GASTROINTESTINAL: NAUSEA OR VOMITING

KIDNEY, URETER, AND BLADDER: "CHANGES IN TUBULES (INCLUDING ACUTE RENAL FAILURE, ACUTE TUBULAR NECROSIS)"
American Journal of Emergency Medicine. Vol. 6, Pg. 513, 1988.
man LDLo unreported 441mg/kg (441mg/kg)   "Poisoning; Toxicology, Symptoms, Treatments," 2nd ed., Arena, J.M., Springfield, IL, C.C. Thomas, 1970Vol. 2, Pg. 73, 1970.
mouse LD50 intraperitoneal 106mg/kg (106mg/kg)   Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. Vol. 256, Pg. 1043, 1963.
 
mouse LD50 intravenous 112mg/kg (112mg/kg)   American Journal of the Medical Sciences. Vol. 241, Pg. 296, 1961.
 
mouse LD50 oral 680mg/kg (680mg/kg)   British Journal of Pharmacology and Chemotherapy. Vol. 24, Pg. 352, 1965.
 
mouse LD50 subcutaneous 60300ug/kg (60.3mg/kg)   Drugs in Japan Vol. 6, Pg. 888, 1982.
rabbit LDLo intraduodenal 200mg/kg (200mg/kg) CARDIAC: CARDIAC OUTPUT

VASCULAR: REGIONAL OR GENERAL ARTERIOLAR CONSTRICTION
Toxicology and Applied Pharmacology. Vol. 66, Pg. 329, 1982.
 
rat LD50 oral 319mg/kg (319mg/kg)   Journal of Pediatrics. Vol. 69, Pg. 663, 1966.
 
rat LD50 subcutaneous 155mg/kg (155mg/kg)   Drugs in Japan Vol. 6, Pg. 888, 1982.
women LDLo oral 60mg/kg (60mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

KIDNEY, URETER, AND BLADDER: "CHANGES IN TUBULES (INCLUDING ACUTE RENAL FAILURE, ACUTE TUBULAR NECROSIS)"

GASTROINTESTINAL: NAUSEA OR VOMITING
Human Toxicology. Vol. 7, Pg. 281, 1988.
 
women LDLo oral 540mg/kg (540mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

LUNGS, THORAX, OR RESPIRATION: DYSPNEA

GASTROINTESTINAL: PERITONITIS
Journal of Pediatric Surgery. Vol. 13, Pg. 720, 1978.
 
women TDLo oral 10560ug/kg (10.56mg/kg) GASTROINTESTINAL: ULCERATION OR BLEEDING FROM STOMACH JAMA, Journal of the American Medical Association. Vol. 236, Pg. 2320, 1976.
 
women TDLo oral 600mg/kg (600mg/kg) BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

GASTROINTESTINAL: NAUSEA OR VOMITING

BEHAVIORAL: AGGRESSION
JAMA, Journal of the American Medical Association. Vol. 229, Pg. 1333, 1974.
 
women TDLo oral 960mg/kg/9W-I (960mg/kg) BEHAVIORAL: MUSCLE WEAKNESS

LIVER: "JAUNDICE, OTHER OR UNCLASSIFIED"

LIVER: OTHER CHANGES
New England Journal of Medicine. Vol. 339, Pg. 269, 1998.

Safety Profile

A human poison by ingestion. Moderately toxic to humans by an unspecified route. An experimental poison by ingestion, intraduodenal, intraperitoneal, intravenous, and subcutaneous routes. Human systemic effects by ingestion: aggression, somnolence, brain recording changes, diarrhea, nausea or vomiting, bleeding from the stomach, coma. Questionable carcinogen with experimental tumorigenic data. Experimental teratogenic and reproductive effects. Mutation data reported. Potentially explosive reaction with methyl isocyanoacetate at 25°. May ignite on contact with arsenic trioxide + sodium nitrate. When heated to decomposition it emits toxic fumes of SOx.
Risk Statements: 25 
R25 :Toxic if swallowed.
Safety Statements: 45 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)

Specification

 Ferrous sulfate , its cas register number is 7720-78-7. It also can be called Ferrous sulfate anhydrous ; Combiron ; Copperas ; Duretter ; Duroferon ; Feosol ; Feospan ; Iron monosulfate ; Iron sulfate (1:1) ; Iron(2+) sulfate ; Iron(II) sulfate .It is most commonly encountered as the blue-green heptahydrate.