Description

Spidroin 2 CAS NO 147883-43-0 is a recombinant spider silk protein, a high-performance biopolymer engineered to mimic the extraordinary mechanical properties of natural dragline silk. This advanced material offers a unique combination of high tensile strength, elasticity, and biocompatibility, making it a cornerstone for next-generation biomaterials. It is essential for innovators in the biomedical, high-performance textiles, and advanced materials sectors seeking sustainable, high-strength alternatives.

Application

• Biomedical Engineering: As a key component in surgical sutures, tissue engineering scaffolds, and nerve regeneration conduits due to its biocompatibility and strength.
• Advanced Textiles & Protective Gear: For developing lightweight, high-strength fibers for ballistic protection, athletic wear, and specialty technical fabrics.
• Cosmeceuticals & Dermatology: Utilized in formulations for advanced wound dressings, skin regeneration patches, and sustained-release drug delivery systems.
• Biocompatible Coatings: Applied as a surface modifier for medical implants to improve biocompatibility and reduce immune response.
• Research & Development: Serves as a critical raw material for academic and industrial R&D in biomimetics, material science, and polymer chemistry.

Basic Information

Item	Detail
Product Name	Spidroin 2
CAS No.	147883-43-0
Molecular Formula	Contact for details
Molecular Weight	Variable (Recombinant Protein)
Synonyms	Recombinant Spider Silk Protein; Major Ampullate Spidroin 2; MaSp2; Synthetic Spider Silk Protein; Bio-inspired Silk Polymer; Engineered Silk Fibroin; Dragline Silk Protein Analog
EINECS	Contact for details

Quality Control

Our Spidroin 2 is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing including SDS-PAGE for purity and molecular weight distribution, HPLC for assay and impurity profiling, and endotoxin testing where applicable for biomedical grades. We provide Certificates of Analysis (COA) with full traceability to ensure compliance with your research and production standards.

Storage

Preserve in a tightly closed container, protected from light. Store at 2-8°C for long-term stability. This product is hygroscopic (moisture-sensitive). Allow the sealed container to reach room temperature before opening to prevent condensation and moisture uptake. For extended storage under inert atmosphere, please contact us for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder or fiber
Identification (IR)	Conforms to structure
Purity (SDS-PAGE)	≥ 90% (Higher grades available)
Protein Content	≥ 95% (by weight)
Endotoxin	< 10 EU/mg (for biomedical grade)
Solubility	Soluble in specific aqueous buffers
Residual Moisture (KF)	< 5.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.