Magnesium Chloride Extra Pure
Magnesium Chloride Extra Pure is a highly soluble, refined chemical compound commonly used for its excellent hygroscopic and electrolyte properties. In laboratory and analytical settings, it is valued for preparing magnesium-based solutions and as a reagent in various chemical reactions. In pharmaceuticals, it serves as a magnesium supplement, aiding in nerve function and muscle health. It is also used in cosmetics and personal care products for its skin-conditioning benefits. Additionally, it finds applications in textile processing, dust control, and de-icing formulations, where its purity ensures minimal impurities in sensitive applications.
Magnesium Chloride Extra Pure
Primary Laboratory Uses:
- Reagent in Analytical Chemistry:
- Used in qualitative and quantitative analysis involving magnesium or chloride ions.
- Precursor in Salt Formation Reactions:
- Acts as a starting material in the preparation of other magnesium salts through double displacement reactions.
- Source of Magnesium Ions:
- Provides Mg²⁺ ions for biochemical experiments, cell culture media, and ionic strength adjustment.
Secondary Laboratory Uses:
- Electrolyte in Electrochemistry:
- Used in conductivity experiments and electrochemical cells due to its solubility and ionic properties.
- Desiccant in Controlled Environments:
- Helps in moisture control as part of some desiccant formulations.
- Heat Pack Demonstrations:
- Sometimes included in exothermic reaction demonstrations, such as crystallization or dissolving in water.
1. Basic Identification Attributes
- Chemical Name: Magnesium Chloride
- Synonyms: Magnesium dichloride, Magnesium chloride hexahydrate (if hydrated)
- CAS Number:
- Anhydrous: 7786-30-3
- Hexahydrate: 7791-18-6
- Molecular Formula:
- Anhydrous: MgCl₂
- Hexahydrate: MgCl₂·6H₂O
- Molecular Weight:
- Anhydrous: 95.21 g/mol
- Hexahydrate: 203.30 g/mol
- Appearance: White or colorless crystalline solid
- Odor: Odorless
- Solubility: Highly soluble in water
- Grade: Extra Pure (suitable for high-purity lab applications)
2. Safety & Hazard Attributes
- GHS Classification:
- Not classified as hazardous under GHS for general laboratory use
- Hazard Statements:
- None required for Extra Pure grade under normal lab handling
- Precautionary Statements:
- P280: Wear protective gloves, eye protection
- P264: Wash hands thoroughly after handling
- P305+P351+P338: IF IN EYES, rinse cautiously with water for several minutes
- Personal Protective Equipment (PPE):
- Safety goggles
- Gloves
- Lab coat
- Dust mask (if powdered form is handled)
- First Aid Measures:
- Inhalation: Move to fresh air; seek medical attention if symptoms persist
- Skin Contact: Wash off with soap and water
- Eye Contact: Rinse thoroughly with water for several minutes
- Ingestion: Rinse mouth; drink water; seek medical attention if discomfort occurs
- Fire Hazards:
- Not flammable
- Use extinguishing media suitable for surrounding fire
3. Storage & Handling Attributes
- Storage Conditions:
- Store tightly closed in a dry place
- Avoid exposure to moisture (hygroscopic)
- Store away from incompatible materials (e.g., strong oxidizers)
- Handling Tips:
- Avoid creating dust
- Wash hands after use
- Use in well-ventilated areas
4. Laboratory Applications
- Primary Uses:
- Source of magnesium ions in analytical chemistry
- Reagent in titration and complexometric analysis
- Electrolyte preparation for electrochemical studies
- Secondary Uses:
- Dehydration experiments (when using the hydrated form)
- Thermal decomposition studies
- Buffer preparation in biological and biochemical labs
SAFETY PRECAUTIONS
Personal Protective Equipment (PPE):
- Wear a lab coat, nitrile gloves, and protective goggles.
- Use a dust mask if working with powdered form or ensure adequate ventilation.
Handling:
- Avoid contact with skin, eyes, and clothing.
- Prevent formation and inhalation of dust or aerosols.
- Wash hands thoroughly after handling.
Storage:
- Store in a cool, dry, and well-ventilated area.
- Keep the container tightly sealed.
- Protect from moisture and incompatible substances like strong oxidizing agents.
FIRST AID MEASURES
Inhalation:
- Move the person to fresh air immediately.
- Seek medical attention if breathing becomes difficult.
Skin Contact:
- Wash affected area with plenty of water and soap.
- Remove contaminated clothing.
- Get medical attention if irritation occurs.
Eye Contact:
- Rinse thoroughly with clean water for several minutes.
- Remove contact lenses if present and easy to do.
- Continue rinsing and consult a doctor if irritation persists.
Ingestion:
- Rinse mouth with water.
- Do not induce vomiting.
- Seek medical advice, especially if symptoms such as nausea or abdominal discomfort occur.
FIRE FIGHTING MEASURES
Flammability:
- Non-flammable.
Extinguishing Media:
- Use water spray, dry chemical, foam, or carbon dioxide (CO₂).
- Choose an extinguishing method suitable for surrounding fire.
Hazardous Combustion Products:
- May emit hydrogen chloride and magnesium oxides upon decomposition in fire.
Firefighter Protection:
- Use self-contained breathing apparatus (SCBA) and full protective clothing.