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Ammonium Vanadate Extra Pure Amaris Chemicals
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LABORATORY GRADE

Ammonium Vanadate Extra Pure

Original price was: $ 18.00.Current price is: $ 17.34.

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Ammonium Vanadate Extra Pure is a high-purity, yellow crystalline compound primarily used in laboratory settings for analytical, inorganic, and catalytic research. It serves as a reliable source of vanadium in oxidation-reduction studies, and is especially valuable in colorimetric analysis of phosphates and peroxides, where it forms distinct vanadate complexes. In catalysis, it is used as a precursor for vanadium-based catalysts in oxidation reactions and materials synthesis. The extra pure grade ensures minimal contamination, making it suitable for high-precision experimental work. Due to its toxic and oxidative nature, it should be handled with care and stored in a cool, dry place in tightly sealed containers, away from incompatible substances.

 

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Description

Ammonium Vanadate Extra Pure

Primary Uses

  1. Reagent in Colorimetric Phosphate Determination
    • Forms a yellow vanadomolybdate complex with phosphate and ammonium molybdate — used in spectrophotometric determination of phosphate in water, food, and soil samples.
  2. Oxidizing Agent in Redox Reactions
    • Provides vanadium in the +5 oxidation state, making it a powerful oxidizer in both organic and inorganic redox reactions.
  3. Source of Vanadium(V) in Coordination Chemistry
    • Used in the synthesis of polyoxovanadates and vanadium complexes for structure, reactivity, and catalysis studies.
  4. Component in Mixed-Valence Redox Studies
    • Helps investigate V(V)/V(IV)/V(III) redox cycling, making it valuable for electrochemical or redox titration experiments.
  5. Demonstration of Transition Metal Colors and Redox Behavior
    • Displays distinct color changes across oxidation states (yellow → blue → green) — ideal for educational redox demonstrations.

Secondary Uses

  1. Catalyst Precursor in Oxidation Chemistry
    • Used to generate vanadium oxides and supported vanadium catalysts in lab-scale oxidation of alcohols or hydrocarbons.
  2. Model Compound in Environmental Studies
    • Employed in studies of vanadium mobility, toxicity, and speciation in environmental or soil chemistry.
  3. Crystal Growth and Structural Inorganic Chemistry
    • It forms part of the starting material for growing vanadate-based crystals for X-ray diffraction and lattice geometry studies.
  4. Reagent in Preparation of Other Vanadium Compounds
    • Converts to vanadium pentoxide (V₂O₅) and other vanadates for advanced material synthesis.
  5. Study of Acid–Base Equilibria in Polyoxometalate Chemistry
    • Used in pH-dependent equilibria of metavanadates and decavanadates in advanced inorganic labs.
Additional information
PACK SIZE

500 grams Plastic Tin
KEY PRODUCT FEATURES

1. Basic Identification Attributes

  • Chemical Name: Ammonium Metavanadate
  • CAS Number: 7803-55-6
  • HS Code: 28417000 (Vanadates, including ammonium vanadate)
  • Molecular Formula: NH₄VO₃
  • Synonyms:
    • Ammonium vanadate
    • Ammonium metavanadate
    • Vanadic acid, ammonium salt
    • Ammonium trioxovanadate(V)

2. Physical & Chemical Properties

  • Physical State: Solid (crystalline powder)
  • Color & Odor: Yellow to off-white powder; odorless
  • Boiling Point: Decomposes before boiling
  • Melting Point: Decomposes at ~200 °C
  • Density/Specific Gravity: ~2.33 g/cm³
  • Solubility:
    • Water: Slightly soluble (~5.4 g/100 mL at 20 °C)
    • Alcohol: Insoluble
  • pH Level: ~6–8 (weakly basic in dilute aqueous solution)
  • Vapor Pressure: Negligible
  • Flash Point: Not flammable
  • Autoignition Temperature: Not applicable
  • Viscosity: Not applicable

3. Safety & Hazard Attributes 

  • Hazard Class (GHS):
    • Acute Toxicity – Oral (Category 3)
    • Acute Toxicity – Inhalation (Category 3)
    • Skin & Eye Irritation (Category 2)
    • Specific Target Organ Toxicity – Repeated Exposure (Category 2: blood, lungs)
    • Aquatic Chronic (Category 1)
  • NFPA Ratings:
    • Health: 3
    • Flammability: 0
    • Reactivity: 1
  • Exposure Limits:
    • OSHA PEL (as vanadium pentoxide dust): 0.5 mg/m³ (ceiling)
    • ACGIH TLV: 0.05 mg/m³ (respirable fraction, V₂O₅ as vanadium)
  • Reactivity:
    • Oxidizing agent; may react with reducing agents
    • Sensitive to strong acids and bases

4. Storage & Handling Attributes

  • Storage Conditions:
    • Store in tightly sealed container in a cool, dry, ventilated area
    • Protect from moisture and light
  • Incompatible Materials:
    • Strong reducing agents, acids, organic materials
  • Container Type:
    • Amber glass or plastic container
  • Shelf Life & Expiration Date:
    • ~2–3 years when properly stored
  • Special Handling Requirements:
    • Use gloves, eye protection, and dust mask
    • Handle in fume hood to avoid inhalation of dust or decomposition vapors

5. Regulatory & Compliance Attributes 

  • Regulatory Status:
    • Listed in TSCA, REACH
    • Regulated as a toxic compound due to vanadium content
  • Transportation Restrictions:
    • Not regulated under standard UN classifications in lab quantities
  • Waste Disposal Method:
    • Collect as hazardous waste (toxic metal content)
    • Do not dispose down the drain

6. Environmental & Health Impact

  • Ecotoxicity:
    • Very toxic to aquatic life with long-lasting effects
  • Persistence in Environment:
    • Not readily biodegradable; vanadium is environmentally persistent
  • Carcinogenicity/Mutagenicity:
    • Not definitively classified, but vanadium compounds may pose carcinogenic risk with long exposure
  • Biodegradability:
    • Inorganic; not biodegradable
SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

  1. Personal Protective Equipment (PPE):
    • Wear a lab coat, chemical splash goggles, and nitrile or neoprene gloves.
    • Use only in a fume hood or well-ventilated area to avoid inhaling dust or vapors.
  2. Handling:
    • Handle with extreme care—ammonium vanadate is toxic and suspected carcinogen.
    • Avoid inhalation, skin, and eye contact.
    • Do not ingest or allow prolonged exposure.
    • Avoid contact with acids, reducing agents, and combustible materials.
  3. Storage:
    • Store in a tightly sealed container in a cool, dry, well-ventilated place.
    • Keep away from acids, heat, light, and incompatible materials.
    • Label container clearly with hazard warnings.
  4. Hygiene Measures:
    • Wash hands thoroughly after handling.
    • Decontaminate all surfaces and equipment after use.
    • Do not eat, drink, or smoke in the work area.

FIRST AID MEASURES

  1. Inhalation:
    • Move the person to fresh air immediately.
    • If breathing is difficult, provide oxygen and seek emergency medical help.
    • Inhalation may cause lung irritation, coughing, and systemic toxicity.
  2. Skin Contact:
    • Remove contaminated clothing.
    • Wash skin thoroughly with soap and water.
    • Seek medical attention for signs of irritation or delayed symptoms.
  3. Eye Contact:
    • Rinse cautiously with plenty of water for at least 15 minutes.
    • Remove contact lenses if present.
    • Seek immediate medical attention—may cause serious eye irritation.
  4. Ingestion:
    • Rinse mouth thoroughly with water.
    • Do not induce vomiting.
    • Seek immediate medical help — vanadium compounds can cause gastrointestinal and systemic toxicity (e.g., nausea, cramps, kidney or liver effects).

FIRE FIGHTING MEASURES

  1. Suitable Extinguishing Media:
    • Use dry chemical, carbon dioxide (CO₂), foam, or water spray, depending on the fire context.
  2. Specific Hazards:
    • Not flammable, but may decompose on heating, emitting:
      • Ammonia
      • Nitrogen oxides (NOₓ)
      • Vanadium oxides (toxic)
  3. Protective Equipment for Firefighters:
    • Use self-contained breathing apparatus (SCBA) and full protective clothing.
  4. Firefighting Instructions:
    • Avoid breathing smoke, dust, or decomposition fumes.
    • Prevent runoff—toxic to aquatic life and soil.
    • Cool containers exposed to fire with water spray.

 

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