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Manganous Dihydrogen Phosphate
Manganous Dihydrogen Phosphate is an inorganic manganese compound with the formula Mn(H₂PO₄)₂. It is typically encountered as a hydrated crystalline solid that is soluble in water. This compound serves as a valuable source of manganese and phosphorus in agricultural and industrial applications. It is primarily used as a micronutrient fertilizer component, an additive in animal feed, and a reagent in chemical syntheses. Its high solubility makes it effective for foliar sprays and soil applications to correct manganese deficiencies in crops.
Manganous Dihydrogen Phosphate
Primary Uses
- Agriculture and Fertilizer Industry
- Micronutrient Fertilizer: Supplies manganese and phosphorus essential for plant growth, enhancing photosynthesis, enzyme activation, and energy transfer.
- Foliar and Soil Application: Used in foliar sprays or soil amendments to correct manganese deficiency in a wide range of crops including cereals, fruits, and vegetables.
- Component in Blended Fertilizers: Incorporated into complex NPK blends to provide balanced micronutrient nutrition.
- Animal Feed Industry
- Feed Additive: Provides manganese supplementation for livestock and poultry to support metabolic functions, bone development, and reproductive health.
- Premix Ingredient: Used in vitamin-mineral premixes for improved bioavailability of manganese.
- Chemical and Industrial Applications
- Reagent in Chemical Synthesis: Utilized in laboratories and industry for synthesizing manganese-containing compounds.
- Electroplating and Coatings: Employed in some specialized plating and coating formulations involving manganese.
Secondary Uses
- Water Treatment
- Occasionally used as a micronutrient supplement in water treatment processes where manganese levels are deficient.
- Pharmaceutical and Nutraceutical Industry
- Utilized in trace amounts in supplements and formulations requiring manganese and phosphate.
- Research and Laboratory Use
- Used as a standard reagent or reference material in analytical chemistry and material science research.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Manganese(II) dihydrogen phosphate
- Common/Trade Name: Manganous Dihydrogen Phosphate
- CAS Number: 13446-38-7
- HS Code: 2835.39.90
- Synonyms: Manganese dihydrogen phosphate; Mn(H₂PO₄)₂; Manganese phosphate monobasic
2. Physical & Chemical Properties
- Physical State: Crystalline solid
- Color & Odor: Pale pink to light purple; odorless
- Molecular Formula: Mn(H₂PO₄)₂
- Molecular Weight: Approximately 178.91 g/mol (anhydrous)
- Solubility: Highly soluble in water
- Density: ~2.4 g/cm³ (varies with hydration)
- Melting Point: Decomposes before melting
- pH (5% solution): Acidic, typically 2.5 – 3.5
- Stability: Stable under normal storage conditions
3. Safety & Hazard Attributes
- GHS Classification:
- Eye irritation (Category 2A)
- Skin irritation (Category 2)
- Harmful if swallowed (Category 4)
- Toxicity:
- May cause irritation to eyes, skin, and respiratory tract
- Harmful if ingested in large quantities
- Exposure Limits:
- No specific occupational exposure limits, standard dust precautions recommended
4. Storage & Handling Attributes
- Storage Conditions:
- Store in a cool, dry, well-ventilated area away from moisture
- Container Type:
- Packed in sealed plastic or fiber drums or bags with moisture barriers
- Shelf Life:
- 2 years when stored properly
- Handling Precautions:
- Avoid dust generation
- Use appropriate PPE such as gloves, goggles, and dust masks
5. Regulatory & Compliance Attributes
- Compliance:
- Meets agricultural and feed additive regulations where applicable
- Registered under relevant chemical safety guidelines (e.g., REACH)
- Labeling Requirements:
- Must include hazard statements regarding irritation and ingestion risks
6. Environmental & Health Impact
- Biodegradability: Not applicable (inorganic compound)
- Ecotoxicity: Low to moderate; avoid release in high concentrations to aquatic systems
- Bioaccumulation: Not expected to bioaccumulate
- Carcinogenicity/Mutagenicity: Not classified as carcinogenic
Safety Handling Precautions
- PPE Required:
- Dust mask or respirator
- Protective gloves and goggles
- Handling Guidelines:
- Minimize dust exposure
- Work in well-ventilated areas
- Storage Measures:
- Keep containers tightly closed and dry
- Store away from incompatible materials like strong bases or oxidizers
First Aid Measures
- Inhalation: Move affected person to fresh air; seek medical attention if symptoms persist
- Skin Contact: Wash with soap and water; seek medical advice if irritation occurs
- Eye Contact: Rinse thoroughly with water for 15 minutes; consult a physician if irritation persists
- Ingestion: Rinse mouth; do not induce vomiting; seek immediate medical assistance
Firefighting Measures
- Fire Hazards: Non-flammable
- Extinguishing Media: Use water spray, foam, or dry chemical extinguishers for surrounding fires
- Special Precautions: Avoid inhalation of dust or decomposition products
- Hazardous Combustion Products: May release phosphorus oxides and manganese oxides upon decomposition at high temperatures
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Beta Carotene
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Calcium Sulphate
Calcium Sulphate is an inorganic compound composed of calcium, sulfur, and oxygen, commonly found in two forms: dihydrate (gypsum, CaSO4·2H2O) and anhydrous (CaSO4). It appears as a white or off-white crystalline powder or granules with low solubility in water. Calcium Sulphate is widely used in construction, agriculture, pharmaceuticals, food industry, and various industrial applications. It acts as a filler, hardening agent, and drying agent due to its physical and chemical properties. The dihydrate form (gypsum) is notable for use in plaster and cement, while the anhydrous form is often used as a drying agent and in refractory materials.
Dipotassium Hydrogen Phosphate
Dipotassium Hydrogen Phosphate (also known as dipotassium phosphate, DKP) is an inorganic salt used widely as a buffering agent, emulsifier, and nutritional supplement in various industries. It is a white, crystalline, highly water-soluble powder with alkaline properties. DKP plays a vital role in food processing, pharmaceuticals, water treatment, and agriculture due to its ability to stabilize pH, improve texture, and supply essential potassium and phosphate ions.
Ferric Ammonium Citrate
Ferric Ammonium Citrate is a dark green to black crystalline or granular inorganic compound composed of iron, ammonium ions, and citrate ions. It is a complex salt of citric acid with ferric iron (Fe³⁺) and ammonium. This compound is highly soluble in water, forming a greenish solution, and is widely utilized as a source of iron in various chemical, pharmaceutical, photographic, and food applications. It acts as a mild oxidizing agent and an iron supplement, valued for its bioavailability and ease of incorporation into formulations. Ferric Ammonium Citrate is typically available in different formulations distinguished by their water and ammonium content, such as green and brown types.
Ferrous Gluconate
Ferrous Gluconate is an iron salt of gluconic acid, appearing as a pale greenish-blue or green crystalline powder or granules. It is widely used as a nutritional iron supplement and food additive due to its good bioavailability and relatively low toxicity compared to other iron salts. Ferrous Gluconate is water-soluble, providing a stable source of ferrous iron (Fe²⁺) that is easily absorbed in the gastrointestinal tract. This compound is commonly employed in pharmaceuticals, food fortification, and medical formulations to treat or prevent iron deficiency anemia. It is also used as a reducing agent and color stabilizer in various industrial applications.
Iodised Salt
Iodised Salt is table salt (sodium chloride) fortified with a small, controlled amount of iodine, typically in the form of potassium iodate or potassium iodide. It appears as fine white crystalline granules, odorless, and with a characteristic salty taste. The addition of iodine helps prevent iodine deficiency disorders (IDD) such as goiter, mental impairment, and developmental abnormalities. Iodised Salt is widely used in households, food processing, and animal nutrition to ensure adequate dietary iodine intake.
Magnesium Chloride Hexahydrate BP
Magnesium Chloride Hexahydrate BP is a pharmacopeial grade white crystalline solid with the chemical formula MgCl₂·6H₂O. It is highly soluble in water and is used extensively in pharmaceutical, medical, and industrial applications. This grade meets British Pharmacopoeia (BP) standards ensuring high purity and suitability for medical and food-related uses. Magnesium Chloride Hexahydrate BP provides essential magnesium ions which play a critical role in numerous physiological functions.
Magnesium Oxide
Magnesium Oxide (MgO) is a white, odorless, alkaline earth metal oxide powder. It is produced by calcining magnesium carbonate or hydroxide at high temperatures, resulting in a fine, white powder with a high melting point. Magnesium Oxide is widely used for its refractory properties, chemical stability, and ability to neutralize acids. It serves important roles in pharmaceuticals, agriculture, environmental applications, and various industrial processes.
