Lactose Monohydrate Extra Pure

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Lactose Monohydrate Extra Pure is a high-purity, crystalline disaccharide composed of glucose and galactose, containing one molecule of water per lactose unit. It is widely used in laboratory settings for biochemical research, nutrient media preparation, and as an excipient in pharmaceutical formulation studies. Its consistent solubility and stability make it ideal for carbohydrate analysis, fermentation experiments, and as a mild reducing sugar in analytical reactions. The extra pure grade ensures low impurity levels, supporting accurate and reproducible results in sensitive scientific applications. Proper storage in a cool, dry environment is essential to maintain its crystalline form and prevent caking.

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Category: LABORATORY CHEMICALS Tags: CarbohydrateTest, dairychemicals, foodgrade, labsubstrate, lactose, lactosemonohydrate, pharmaceuticalexcipient, Sweetener, tabletgrade

Description

Table of Contents

Lactose Monohydrate Extra Pure

Primary Laboratory Uses:

Pharmaceutical Excipient:
Widely used as a diluent or filler in tablet and capsule formulations due to its stability, compressibility, and low reactivity.
Microbiological Culture Media Component:
Included as a carbohydrate source in various culture media (e.g., MacConkey agar) to support the growth and differentiation of microorganisms.
Calibration Standard in Analytical Chemistry:
Utilized as a reference compound or standard in HPLC, IR, and NMR for method development and validation, especially in pharmaceutical analysis.

Secondary Laboratory Uses:

Carrier for Dry Powder Inhalation Studies:
Employed as a carrier substance in dry powder inhaler (DPI) formulations during aerosol and respiratory drug delivery research.
Research on Carbohydrate Metabolism:
Serves as a model for disaccharide sugar in biochemical studies of enzyme activity (e.g., lactase) and lactose intolerance mechanisms.
Lyophilization (Freeze Drying) Support:
Used as a cryoprotectant or bulking agent in the freeze-drying of biologicals and pharmaceuticals.

KEY PRODUCT FEATURES

1. Basic Identification Attributes

Chemical Name: Lactose Monohydrate
Synonyms: Milk sugar; β-D-Galactopyranosyl-(1→4)-D-glucose monohydrate
Chemical Formula: C₁₂H₂₂O₁₁·H₂O
CAS Number: 64044-51-5
Molecular Weight: 360.31 g/mol
Grade: Extra Pure (suitable for analytical and laboratory use)
Appearance: White crystalline powder
Odor: Odorless
Solubility: Soluble in water, practically insoluble in alcohol
Taste: Mildly sweet

2. Safety & Hazard Attributes

GHS Classification: Not classified as hazardous
Hazard Statements: None under normal laboratory handling
Precautionary Statements:
- Avoid inhalation of dust
- Use in a well-ventilated area
- Avoid contact with eyes
Personal Protective Equipment (PPE):
- Lab coat
- Safety goggles
- Dust mask or respirator if powder is airborne
- Gloves (nitrile or latex)
First Aid Measures:
- Inhalation: Move to fresh air; seek attention if symptoms persist
- Skin Contact: Wash with soap and water
- Eye Contact: Rinse with plenty of water for at least 15 minutes
- Ingestion: Rinse mouth; non-toxic but seek medical advice if necessary
Fire Hazards:
- Not highly flammable, but dust may form explosive mixtures with air
- Extinguishing Media: Use water spray, dry chemical, CO₂, or foam
- Special Notes: Handle powders with caution to prevent airborne dispersion

3. Storage & Handling Attributes

Storage Conditions:
- Store in a tightly sealed container
- Keep in a cool, dry place
- Protect from moisture and strong oxidizing agents
Handling Tips:
- Avoid generating dust
- Use clean, dry utensils to avoid contamination

4. Laboratory Applications

Primary Uses:
- As a carrier or diluent in pharmaceutical formulations
- Standard in biochemical assays and enzyme reactions
- Used in microbiology culture media
- Excipient in tablet and capsule production
Secondary Uses:
- Used in food analysis and nutritional studies
- Research in carbohydrate metabolism and lactose intolerance
- Calibration and quality control testing in pharmaceutical labs

SAFETY HANDLING PRECAUTIONS

SAFETY PRECAUTIONS

Personal Protective Equipment (PPE):

Wear a lab coat, protective goggles, and nitrile gloves.
Use a dust mask if airborne powder is generated.
Ensure good ventilation or use under a fume hood.

Handling:

Avoid creating or inhaling dust.
Avoid contact with skin, eyes, and clothing.
Wash hands thoroughly after handling.
Handle in accordance with good laboratory hygiene practices.

Storage:

Store in a cool, dry, and well-ventilated place.
Keep the container tightly closed.
Protect from moisture and incompatible substances like strong oxidizers.

FIRST AID MEASURES

Inhalation:

Move the affected person to fresh air.
If breathing is difficult, seek medical attention.

Skin Contact:

Wash skin with soap and water.
Remove contaminated clothing.
Seek medical attention if irritation develops.

Eye Contact:

Rinse cautiously with water for several minutes.
Remove contact lenses if present and easy to do.
Continue rinsing and get medical advice if irritation persists.

Ingestion:

Rinse mouth with water.
Drink water if the person is conscious.
Seek medical advice if symptoms occur.

FIRE FIGHTING MEASURES

Flammability:

Not highly flammable but can form explosive dust-air mixtures.

Extinguishing Media:

Use water spray, dry chemical powder, or CO₂.
Avoid high-pressure water streams that may disperse dust.

Hazardous Combustion Products:

May produce carbon monoxide and carbon dioxide when burned.

Firefighter Protection:

Use self-contained breathing apparatus (SCBA).
Wear full protective gear.
Avoid inhalation of combustion gases or dust.