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Ammonium Vanadate Extra Pure
Original price was: $ 18.00.$ 17.34Current price is: $ 17.34.
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.
Ammonium Vanadate Extra Pure
Primary Uses
- 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.
- Oxidizing Agent in Redox Reactions
- Provides vanadium in the +5 oxidation state, making it a powerful oxidizer in both organic and inorganic redox reactions.
- Source of Vanadium(V) in Coordination Chemistry
- Used in the synthesis of polyoxovanadates and vanadium complexes for structure, reactivity, and catalysis studies.
- 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.
- 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
- Catalyst Precursor in Oxidation Chemistry
- Used to generate vanadium oxides and supported vanadium catalysts in lab-scale oxidation of alcohols or hydrocarbons.
- Model Compound in Environmental Studies
- Employed in studies of vanadium mobility, toxicity, and speciation in environmental or soil chemistry.
- 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.
- Reagent in Preparation of Other Vanadium Compounds
- Converts to vanadium pentoxide (Vâ‚‚Oâ‚…) and other vanadates for advanced material synthesis.
- Study of Acid–Base Equilibria in Polyoxometalate Chemistry
- Used in pH-dependent equilibria of metavanadates and decavanadates in advanced inorganic labs.
| PACK SIZE | 500 grams Plastic Tin |
|---|
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 AttributesÂ
- 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 AttributesÂ
- 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 PRECAUTIONS
- 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.
- 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.
- 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.
- 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
- 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.
- Skin Contact:
- Remove contaminated clothing.
- Wash skin thoroughly with soap and water.
- Seek medical attention for signs of irritation or delayed symptoms.
- 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.
- 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
- Suitable Extinguishing Media:
- Use dry chemical, carbon dioxide (COâ‚‚), foam, or water spray, depending on the fire context.
- Specific Hazards:
- Not flammable, but may decompose on heating, emitting:
- Ammonia
- Nitrogen oxides (NOâ‚“)
- Vanadium oxides (toxic)
- Not flammable, but may decompose on heating, emitting:
- Protective Equipment for Firefighters:
- Use self-contained breathing apparatus (SCBA) and full protective clothing.
- 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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