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STRONTIUM FERRITE

CAS No.: 12023-91-5
Formula: Fe12O19Sr
Molecular Weight: 1061.75
Suppliers: All(0) China Suppliers(0) Products(2)
  • Description
  • Basic Info
  • Safety Info
  • MSDS
  • Price
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What is STRONTIUM FERRITE

**Introduction to Strontium Ferrite** Strontium Ferrite (SrFe₁₂O₁₉) is a high-performance permanent magnetic material known for its excellent coercivity, thermal stability, and corrosion resistance. As a type of hard ferrite, it is widely used in motors, sensors, loudspeakers, and magnetic recording media due to its cost-effectiveness and strong magnetic properties. Unlike rare-earth magnets, strontium ferrite is composed of abundant raw materials, making it an economical and sustainable choice for industrial applications. Its robust resistance to demagnetization and ability to perform in high-temperature environments make it ideal for automotive, electronics, and renewable energy systems. With its combination of durability, affordability, and reliability, strontium ferrite remains a key material in modern magnetic technology.

Preparation Process: Strontium ferrite (SrFe12O19) is prepared via the solid-state reaction method. Mix stoichiometric amounts of strontium carbonate (SrCO3) and iron oxide (Fe2O3) in a 1:6 molar ratio. Grind the mixture thoroughly to ensure homogeneity. Calcinate the powder at 1000–1200°C for 2–4 hours in air to form the hexaferrite phase. Alternatively, use the sol-gel method by dissolving Sr(NO3)2 and Fe(NO3)3·9H2O in citric acid solution, adjusting pH, and heating to form a gel. Dry and calcine the gel at 800–1000°C. For nanoparticle synthesis, employ coprecipitation or hydrothermal methods, followed by annealing. The product is then milled and sieved for uniformity.

Usage Scenarios: Strontium ferrite (SrFe12O19) is a hard magnetic ceramic compound widely used in permanent magnets due to its high coercivity, excellent chemical stability, and cost-effectiveness. It is commonly applied in electric motors, speakers, and magnetic recording media. Its resistance to demagnetization makes it ideal for small motors, sensors, and refrigerator magnets. Strontium ferrite is also used in microwave devices, magnetic shielding, and anti-theft systems. In addition, its high electrical resistivity reduces eddy current losses, making it suitable for high-frequency applications. The compound’s durability and thermal stability further enhance its utility in automotive and industrial applications.

STRONTIUM FERRITE Basic Info
Chemical Name STRONTIUM FERRITE
Synonyms HM 181;HM 170;HF 24/33;Ferotop FM 201;magnitic oxide;StrontiuM ferrit;strontium ferrate;STRONTIUM FERRITE;Ironstrontiumoxide;ferrate, strontium
CAS No. 12023-91-5
Molecular Formula Fe12O19Sr
Molecular Weight 1061.75
PSA 277.29000
LogP -1.98480
Safely Info
RTECS -
Hazard Class -
Safety Statements 26-36
HS Code -
WGK Germany 3
Packing Group -
RIDADR -
Risk Statements 36
Hazard Codes Xi
Caution Statement -
Hazard Declaration -
Symbol -
Signal Word -
STRONTIUM FERRITE Price
United States: $500-$800
China: $400-$600
Russia: $450-$700
Germany: $550-$750
India: $300-$500
Japan: $600-$800
Brazil: $400-$600
South Korea: $450-$700
Philippines: $350-$550
United Kingdom: $550-$750
France: $500-$700
Mexico: $400-$600
Canada: $500-$700
South Africa: $350-$550
Egypt: $350-$550
Turkey: $400-$600
Thailand: $350-$550
Indonesia: $300-$500
MSDS
MSDS

SECTION 1: Identification of the substance/mixture and of the company/undertaking
  Product identifiers
    Product name        : Strontium ferrite    
    REACH No.        : A registration number is not available for this substance as the substance    
    or its uses are exempted from registration, the annual tonnage does not
    require a registration or the registration is envisaged for a later
    registration deadline.
    CAS-No.        : 12023-91-5    
  Relevant identified uses of the substance or mixture and uses advised against
    Identified uses        : Laboratory chemicals, Manufacture of substances    
  
  

SECTION 2: Hazards identification
  Classification of the substance or mixture
    Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
    This substance is not classified as dangerous according to Directive 67/548/EEC.
  Label elements
    The product does not need to be labelled in accordance with EC directives or respective national laws.
  Other hazards - none

SECTION 3: Composition/information on ingredients
  Substances
    Formula        : Fe12O19Sr    
    Molecular Weight        : 1.061,75 g/mol    
    CAS-No.        : 12023-91-5    
    EC-No.        : 234-685-4    
    No components need to be disclosed according to the applicable regulations.

SECTION 4: First aid measures
  Description of first aid measures
  If inhaled
    If breathed in, move person into fresh air. If not breathing, give artificial respiration.
  In case of skin contact
    Wash off with soap and plenty of water.
  In case of eye contact
    Flush eyes with water as a precaution.
  If swallowed
    Never give anything by mouth to an unconscious person. Rinse mouth with water.
  Most important symptoms and effects, both acute and delayed
    The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in
    section 11
  Indication of any immediate medical attention and special treatment needed
    no data available

SECTION 5: Firefighting measures
  Extinguishing media
  Suitable extinguishing media
    Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
  Special hazards arising from the substance or mixture
    Strontium oxides, Iron oxides
  Advice for firefighters
    Wear self contained breathing apparatus for fire fighting if necessary.
  Further information
    no data available

SECTION 6: Accidental release measures
  Personal precautions, protective equipment and emergency procedures
    Avoid dust formation. Avoid breathing vapours, mist or gas.
    For personal protection see section 8.
  Environmental precautions
    Do not let product enter drains.
  Methods and materials for containment and cleaning up
    Sweep up and shovel. Keep in suitable, closed containers for disposal.
  Reference to other sections
    For disposal see section 13.

SECTION 7: Handling and storage
  Precautions for safe handling
    Provide appropriate exhaust ventilation at places where dust is formed.
    For precautions see section 2.2.
  Conditions for safe storage, including any incompatibilities
    Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
  Specific end use(s)
    Apart from the uses mentioned in section 1.2 no other specific uses are stipulated

SECTION 8: Exposure controls/personal protection
  Control parameters
  Components with workplace control parameters
  Exposure controls
  Appropriate engineering controls
    General industrial hygiene practice.
  Personal protective equipment
  Eye/face protection
    Use equipment for eye protection tested and approved under appropriate government standards
    such as NIOSH (US) or EN 166(EU).
  Skin protection
    Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
    (without touching glove's outer surface) to avoid skin contact with this product. Dispose of
    contaminated gloves after use in accordance with applicable laws and good laboratory practices.
    Wash and dry hands.
    The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and
    the standard EN 374 derived from it.
  Body Protection
    Choose body protection in relation to its type, to the concentration and amount of dangerous
    substances, and to the specific work-place., The type of protective equipment must be selected
    according to the concentration and amount of the dangerous substance at the specific workplace.
  Respiratory protection
    Respiratory protection is not required. Where protection from nuisance levels of dusts are desired,
    use type N95 (US) or type P1 (EN 143) dust masks. Use respirators and components tested and
    approved under appropriate government standards such as NIOSH (US) or CEN (EU).
  Control of environmental exposure
    Do not let product enter drains.

SECTION 9: Physical and chemical properties
  Information on basic physical and chemical properties
    a) Appearance        Form: powder    
    Colour: dark grey
    b) Odour        odourless    
    c) Odour Threshold        no data available    
    d) pH        no data available    
    e) Melting point/freezing        Melting point/range: > 450 °C - lit.    
    point
    f) Initial boiling point and no data available
    boiling range
    g) Flash point        not applicable    
    h) Evapouration rate        no data available    
    i) Flammability (solid, gas) no data available
    j) Upper/lower        no data available    
    flammability or
    explosive limits
    k) Vapour pressure        no data available    
    l) Vapour density        no data available    
    m) Relative density        5,18 g/mL at 25 °C    
    n) Water solubility        no data available    
    o) Partition coefficient: n- no data available
    octanol/water
    p) Auto-ignition        > 400 °C at 1.013 hPa    
    temperature
    q) Decomposition        no data available    
    temperature
    r) Viscosity        no data available    
    s) Explosive properties        no data available    
    t) Oxidizing properties        no data available    
  Other safety information
    no data available

SECTION 10: Stability and reactivity
  Reactivity
    no data available
  Chemical stability
    Stable under recommended storage conditions.
  Possibility of hazardous reactions
    no data available
  Conditions to avoid
    no data available
  Incompatible materials
    Strong oxidizing agents
  Hazardous decomposition products
    Other decomposition products - no data available
    In the event of fire: see section 5

SECTION 11: Toxicological information
  Information on toxicological effects
  Acute toxicity
    LD50 Oral - rat - female - > 2.000 mg/kg
    (OECD Test Guideline 423)
    LD50 Dermal - rat - male and female - > 2.000 mg/kg
    (OECD Test Guideline 402)
  Skin corrosion/irritation
    Skin - rabbit
    Result: No skin irritation - 4 h
    (OECD Test Guideline 404)
  Serious eye damage/eye irritation
    Eyes - rabbit
    Result: No eye irritation
    (OECD Test Guideline 405)
  Respiratory or skin sensitisation
    Buehler Test - guinea pig
    Result: Does not cause skin sensitisation.
    (OECD Test Guideline 406)
  Germ cell mutagenicity
    mouse
    lymphocyte
    Result: negative
  Carcinogenicity
    IARC:        No component of this product present at levels greater than or equal to 0.1% is identified as    
    probable, possible or confirmed human carcinogen by IARC.
  Reproductive toxicity
    no data available
  Specific target organ toxicity - single exposure
    no data available
  Specific target organ toxicity - repeated exposure
    no data available
  Aspiration hazard
    no data available
  Additional Information
    RTECS: Not available
    Long term inhalation exposure to iron (oxide fume or dust) can cause siderosis. Siderosis is considered to
    be a benign pneumoconiosis and does not normally cause significant physiologic impairment. Siderosis
    can be observed on x-rays with the lungs having a mottled appearance., Overdose of iron compounds may
    have a corrosive effect on the gastrointestinal mucosa and be followed by necrosis, perforation, and
    stricture formation. Several hours may elapse before symptoms that can include epigastric pain, diarrhea,
    vomiting, nausea, and hematemesis occur. After apparent recovery a person may experience metabolic
    acidosis, convulsions, and coma hours or days later. Further complications may develop leading to acute
    liver necrosis that can result in death due to hepatic coma.

SECTION 12: Ecological information
  Toxicity
    no data available
  Persistence and degradability
    no data available
  Bioaccumulative potential
    no data available
  Mobility in soil
    no data available
  Results of PBT and vPvB assessment
    PBT/vPvB assessment not available as chemical safety assessment not required/not conducted
  Other adverse effects
    no data available

SECTION 13: Disposal considerations
  Waste treatment methods
  Product
    Offer surplus and non-recyclable solutions to a licensed disposal company.
  Contaminated packaging
    Dispose of as unused product.

SECTION 14: Transport information
  UN number
    ADR/RID: -        IMDG: -        IATA: -    
  UN proper shipping name
    ADR/RID: Not dangerous goods
    IMDG: Not dangerous goods
    IATA:        Not dangerous goods    
  Transport hazard class(es)
    ADR/RID: -        IMDG: -        IATA: -    
  Packaging group
    ADR/RID: -        IMDG: -        IATA: -    
  Environmental hazards
    ADR/RID: no        IMDG Marine pollutant: no        IATA: no    
  Special precautions for user
    no data available



SECTION 15 - REGULATORY INFORMATION
N/A


SECTION 16 - ADDITIONAL INFORMATION
N/A
SDS 1.0
STRONTIUM FERRITE Suppliers
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China Shaanxi Xi'an
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