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Ferric phosphate

Ferric phosphate structure

Ferric phosphate 

structure
  • CAS No:

    10045-86-0

  • Formula:

    FePO₄

  • Chemical Name:

    Ferric phosphate

  • Synonyms:

    iron(iii);ironphosphate[fepo4];Phosphoricacid,iron(3+)salt(1:1);phosphoricacid,iron(3++)salt(1:1);FERRIC ORTHOPHOSPHATE HYDRATE;IRON PHOSPHATE HYDRATE;iron orthophosphate;Iron(Ⅲ) phosphate

  • Categories:

    Inorganic Chemistry  >  Iron Compounds

Description

Ferric phosphate, also known as blue iron ore in nature, is a salt of iron salt solution and sodium phosphate, in which iron is trivalent. It is poorly soluble in other acids except sulfuric acid and is almost insoluble in water, acetic acid, and alcohol. It is a white, off-white monoclinic crystalline powder with a molecular weight of 150.82 g/mol.

Ferric phosphate Basic Attributes

150.82

150.888367

233-149-7

N6BAA189V1

DTXSID9035672

2835299000

Characteristics

96.06000

0.38350

white, grey white or peach blossom monoclinic crystal or powder

White, grayish-white, or light pink, orthorhombic or monoclinic crystals or amorphous powder. Loses water above 140 °C; density: 2.8. Practically insoluble in water; readily soluble in hydrochloric acid; slowly soluble in nitric acid. /Dihydrate/

1000 °C

158ºC at 760mmHg

Store in a cool, dry place at 25ºC or lower.

1.41mmHg at 25°C

Combustible, the fire emits spicy and irritating smoke containing iron and phosphorus oxides

Soluble in sulfuric acid /Dihydrate/

Safety Information

36/37/38

26-36

Xi

Storeroom low temperature, ventilated, dry; protected from light; stored separately from oxidants

Stable at normal temperatures and pressures.

P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, P501

H315

SRP: The most favorable course of action is to use an alternative chemical product with less inherent propensity for occupational exposure or environmental contamination. Recycle any unused portion of the material for its approved use or return it to the manufacturer or supplier. Ultimate disposal of the chemical must consider: the material's impact on air quality; potential migration in soil or water; effects on animal, aquatic, and plant life; and conformance with environmental and public health regulations.|The following wastewater treatment technologies have been investigated for iron (Fe+2): Concentration process: Biological treatment. /Iron (Fe+2)/

Substance added directly to human food affirmed as generally recognized as safe (GRAS).|Trace minerals added to animal feeds. These substances added to animal feeds as nutritional dietary supplements are generally recognized as safe when added at levels consistent with good feeding practice. All substances listed may be in anhydrous or hydrated form. Iron phosphate is included on this list. /Iron Phosphate/|Ferric phosphate used as a nutrient and/or dietary supplement in animal drugs, feeds, and related products is generally recognized as safe when used in accordance with good manufacturing or feeding practice.

|Warning|H315 (94.23%): Causes skin irritation [Warning Skin corrosion/irritation]|P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P403+P233, P405, and P501|Aggregated GHS information provided by 152 companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.|H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]|P264, P280, P302+P352, P305+P351+P338, P321, P332+P313, P337+P313, and P362|Aggregated GHS information provided by 13 companies from 1 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

SRP: The scientific literature for the use of contact lenses in industry is conflicting. The benefit or detrimental effects of wearing contact lenses depend not only upon the substance, but also on factors including the form of the substance, characteristics and duration of the exposure, the uses of other eye protection equipment, and the hygiene of the lenses. However, there may be individual substances whose irritating or corrosive properties are such that the wearing of contact lenses would be harmful to the eye. In those specific cases, contact lenses should not be worn. In any event, the usual eye protection equipment should be worn even when contact lenses are in place.|All ... /iron/ preparations should be kept in child-proof bottles. /Iron preparations/

Inhalation of ferric salts as dusts and mists is irritating to the respiratory tract. Ferric salts are regarded as skin irritants. /Iron salts/|If inhaled, iron is a local irritant to the lung and gastrointestinal tract. /Iron compounds/

Toxicity

Occurs in nature as the minerals: beraunite, cacoxenite, dufrenite, koninckite, phosphosiderite, strengite.|...In small quantities in practically all phosphate rock and in rather large quantities in some of lower grades of rock.

Drug Information

Basic treatment: Establish a patent airway. Suction if necessary. Watch for signs of respiratory insufficiency and assist ventilations if necessary. Administer oxygen by nonrebreather mask at 10 to 15 L/min. Monitor for shock and treat if necessary ... . For eye contamination, flush eyes immediately with water. Irrigate each eye continuously with normal saline during transport ... . Do not use emetics. For ingestion, rinse mouth and administer 5 ml/kg up to 200 ml of water for dilution if the patient can swallow, has a strong gag reflex, and does not drool. /Iron and related compounds/|Advanced treatment: Consider orotracheal or nasotracheal intubation for airway control in the patient who is unconscious. Monitor cardiac rhythm and treat arrhythmias if necessary ... . Start an IV with lactated Ringer's /SRP: "To keep open", minimal flow rate/. Watch for signs of fluid overload. For hypotension with signs of hypovolemia, administer fluid cautiously. Watch for signs of fluid overload ... . Use proparacaine hydrochloride to assist eye irrigation ... . /Iron and related compounds/|Maintain an open airway and assist ventilation if necessary. Treat shock caused by hemorrhagic gastrointestinitis aggressively with intravenous crystalloid fluids, and replace blood if needed. Patients are often markedly hypovolemic owing to gastrointestinal losses and third spacing of fluids into the intestinal wall and interstitial space. Treat coma, seizures, and metabolic acidosis if they occur. For seriously intoxicated victims (eg, shock, severe acidosis, and/or serum iron > 500-600 mcg/dL) administer deferoxamine. Monitor the urine for the urine for the characteristic orange or pink deferoxamine-iron complex. Therapy may be stopped when the urine returns to normal or when the serum iron level decreases to the normal range. Prolonged deferoxamine has been associated with adult respiratory distress syndrome and Yersinia sepsis.|Activated charcoal is not effective. Ipecac is not recommended, because it can aggravate iron-induced gastrointestinal irritation and interfere with whole bowel irrigation. Consider gastric lavage if product was a liquid formulation or tablets were chewed. Do-not use phosphate-containing solutions for lavage; these may result in life-threatening hypernatremia, hyperphosphatemia, and hypocalcemia. Bicarbonate and deferoxamine lavage are of doubtful efficacy. Deferoxamine lavage is not effective and may enhance iron absorption. Whole-bowel irrigation is very effective for ingested tablets and may be considered first-line treatment, especially if large numbers of tablets are visible on plain abdominal x-ray. Massive ingestions may lead to concretions or bezoars. Repeated or prolonged whole-bowel irrigation may remove tablets. Endoscopy or surgical gastrotomy is rarely required.|Hemodialysis and hemoperfusion are not effective for removing iron but may be necessary to remove iron-deferoxamine complex in patients with renal failure. Exchange transfusion is occasionally used for massive pediatric ingestions but is of questionable efficacy.

FePO4

Ferric phosphate Use and Manufacturing

Methods of Manufacturing

In the presence of an oxidant (hydrogen peroxide, sodium chlorate, etc.), treat the ferrous salt (such as ferrous nitrate, ferrous sulfate, etc.) that has removed arsenic and heavy metals with refined phosphoric acid that has removed arsenic, and then add alkali to adjust the Ph value to 2 ~ 6, that is, precipitation of iron phosphate. In the ferrous nitrate method, the ferrous nitrate solution is first heated to 95~110℃ to dissolve it. In the presence of an oxidant, the arsenic removal agent and the heavy metal removal agent are added to purify the solution, filter, remove arsenic and heavy metal impurities, and refine the nitric acid The ferrous solution is added to the reactor, the refined concentrated phosphoric acid with the removal of arsenic and the pure iron phosphate seed crystals are added under stirring, and the reaction is heated for 4 hours under constant stirring to generate iron phosphate precipitate, which is filtered, washed, and dried to prepare food Finished iron phosphate. In the ferrous sulfate method, first add ferrous sulfate into distilled water and heat to dissolve it completely. In the presence of an oxidant, add an arsenic removal agent and a heavy metal removal agent to purify the solution, filter, and add the refined ferrous sulfate solution to the reactor, and add it under stirring The refined concentrated phosphoric acid from which the arsenic has been removed is added to the refined sodium chlorate solution, and the reaction is carried out at 85°C for 30 minutes, and then the edible caustic soda solution is slowly added to adjust the Ph value to 2-6 to precipitate the iron phosphate. After filtering, washing and drying, the finished edible iron phosphate is obtained.

Uses

Ferric phosphate can be used in steel and metal manufacturing processes. Ferric phosphate binds to the metal surface and prevents further oxidation of the metal. Its presence is part of the reason for the corrosion resistance of the Delhi Iron Pillar. Ferric phosphate coatings are often used in the preparation of paint or powder coating to increase adhesion to iron or steel substrates and prevent corrosion, which can cause premature failure of subsequent coating processes. It can also be used to bond fabrics, wood, and other materials to iron or steel surfaces. Not only that, ferric phosphate is used to make lithium iron phosphate, the positive electrode of lithium iron phosphate batteries. Finally, ferric phosphate is one of the few molluscicides approved for use in organic agriculture. Insecticide granules contain ferric phosphate and chelating agents such as EDTA.

Trade and other name(s): Neu 1165M Slug and Snail Bait

Phosphoric acid, iron salt (1:?): ACTIVE|A nutrient and/or dietary supplement food additive. Also used as trace mineral added to animal feeds.|As feed source of iron (even in bread for man), particularly in mineral mixes.|Small quantities ... used as iron-enrichment compound in food applications. ... Although it is insoluble in water, it is soluble to varying degrees in dilute hydrochloric-acid solutions, such as those in the stomach. The degree of solubility can be controlled by the method of mfr.|Addition of ferric orthophosphate to supply nutritional levels of iron does not affect ascorbic acid stability in frozen orange drink concentrate.

Agrochemicals -> Molluscicides

Computed Properties

Molecular Weight:150.82
Hydrogen Bond Acceptor Count:4
Exact Mass:150.888356
Monoisotopic Mass:150.888356
Topological Polar Surface Area:86.2
Heavy Atom Count:6
Complexity:36.8
Covalently-Bonded Unit Count:2
Compound Is Canonicalized:Yes

Price Analysis

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Drug Function and Efficacy

Used in homeopathy for early stages of inflammation and fever, especially when accompanied by weakness

This ingredient has been used in drugs with the following functions (note: it does not mean that the ingredient itself has the following health functions)

Related Drugs

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