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| CAS No.: | 7720-78-7 |
|---|---|
| Name: | Ferrous sulfate |
| Molecular Structure: | |
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|
|
| 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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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.