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Lactose Crystal Matrix Component – Chemical Manufacturing

Component Specifications

Definition

The lactose crystal matrix is a precisely engineered crystalline structure composed of pharmaceutical-grade lactose monohydrate particles arranged in a specific geometric configuration. This component serves as the primary excipient in tablet formulations, providing structural integrity, uniform drug distribution, and controlled dissolution properties. The matrix is designed with optimal particle size distribution (typically 50-200 μm), specific surface area, and crystalline morphology to ensure consistent compaction behavior, flow characteristics, and bioavailability enhancement in final pharmaceutical products.

Working Principle

The lactose crystal matrix functions through controlled crystalline bonding and capillary action during tablet compression. When subjected to pressure in tablet presses, the crystalline surfaces undergo plastic deformation and fragmentation, creating new bonding sites through mechanical interlocking and solid bridges. The α-lactose monohydrate crystals exhibit specific water sorption properties that facilitate binding while maintaining chemical stability. During dissolution, the matrix structure controls liquid penetration through capillary networks, regulating drug release kinetics according to designed porosity and surface characteristics.

Materials

Pharmaceutical-grade α-lactose monohydrate (C12H22O11·H2O) with purity ≥99.5%, crystalline form: tomahawk-shaped crystals, moisture content: 4.5-5.5% w/w, residual solvents: <0.5% total, microbial limits: TAMC <1000 CFU/g, TYMC <100 CFU/g, absence of E. coli and Salmonella.

Technical Parameters

solubility 21 g/100 mL water at 25°C
bulk_density 0.55-0.65 g/cm³
hausner_ratio 1.18-1.25
loss_on_drying 4.5-5.5%
tapped_density 0.70-0.80 g/cm³
angle_of_repose 30-35°
crystalline_form α-monohydrate
compressibility_index 15-20%
specific_surface_area 0.3-0.5 m²/g
particle_size_distribution D10: 50 μm, D50: 100 μm, D90: 200 μm

Standards

ISO 9001, ISO 13485, USP-NF, EP, JP, ICH Q3C, ICH Q7

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Lactose Crystal Matrix.

Parent Products

This component is used in the following industrial products

Pharmaceutical-Grade Lactose Monohydrate

High-purity lactose excipient for pharmaceutical tablet and capsule formulations

View Product Details

Engineering Analysis

Risks & Mitigation

Moisture sensitivity affecting flow properties
Potential for caking during storage
Batch-to-batch variability in crystalline morphology
Microbial contamination risk
Incompatibility with certain APIs (e.g., amines)

FMEA Triads

Trigger: Inadequate moisture control during storage
Failure: Reduced flowability and inconsistent tablet weight
Mitigation: Implement humidity-controlled storage (RH <60%), use desiccants in packaging, conduct regular moisture content testing

Trigger: Particle size distribution outside specification
Failure: Poor compaction and tablet friability issues
Mitigation: Implement statistical process control for milling operations, conduct regular particle size analysis, establish acceptance criteria for D10, D50, D90 values

Trigger: Crystalline polymorphism or form change
Failure: Altered dissolution profile and bioavailability
Mitigation: Implement XRPD analysis for crystalline form verification, control crystallization parameters, establish stability testing protocols

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

±5% for particle size distribution, ±0.5% for moisture content, ±2% for bulk density

Test Method

USP <786> for particle size, USP <731> for loss on drying, USP <616> for bulk density, USP <61> for microbial limits, HPLC for purity, XRPD for crystalline form

Buyer Feedback

★★★★☆ 4.7 / 5.0 (21 reviews)

"Standard OEM quality for Chemical Manufacturing applications. The Lactose Crystal Matrix arrived with full certification."

"Great transparency on the Lactose Crystal Matrix components. Essential for our Chemical Manufacturing supply chain."

"The Lactose Crystal Matrix we sourced perfectly fits our Chemical Manufacturing production line requirements."

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Frequently Asked Questions

What is the primary function of lactose crystal matrix in pharmaceutical manufacturing?

The lactose crystal matrix serves as the primary excipient in tablet formulations, providing structural support, uniform drug distribution, controlled dissolution properties, and consistent compaction behavior during tablet manufacturing processes.

How does particle size distribution affect tablet quality?

Optimal particle size distribution (50-200 μm) ensures consistent flow properties, uniform die filling, homogeneous mixing with active ingredients, and predictable compaction behavior, resulting in tablets with consistent weight, hardness, and dissolution profiles.

What are the storage requirements for lactose crystal matrix?

Store in sealed containers at controlled room temperature (15-25°C) with relative humidity below 60%. Protect from moisture absorption and contamination. Shelf life is typically 36 months from manufacturing date when stored properly.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Lactose Crystal Matrix