Product Code: PDACAS No.: 462-94-2Product Category: Linear Aliphatic Diamine / Bio-based Polyamide Monomer / Epoxy Curing Agent Raw Material 1. Product Information Item Information Chinese Name 1,5-戊二胺 English Name 1,5-Pentanediamine IUPAC Name Pentane-1,5-diamine Abbreviation PDA Synonyms 1,5-Diaminopentane; Pentamethylenediamine; Cadaverine CAS No. 462-94-2 Molecular Formula C5H14N2 Molecular Weight 102.18 g/mol Product Category Linear aliphatic diamine; bio-based polyamide monomer; epoxy curing agent raw material / modified hardener raw material   2. Product Description 1,5-Pentanediamine (PDA) is a five-carbon linear aliphatic diamine containing two primary amino groups. Due to its high amine reactivity, PDA can react with carboxylic acids, anhydrides, epoxy groups and isocyanates. It is an important intermediate for polyamides, polyurethanes, epoxy curing systems and various fine chemicals.   In material applications, PDA can be used as a bio-based polyamide monomer for PA56, PA510 and related materials. It can also be used for preparing or modifying epoxy resin curing agents. Compared with aromatic amines, PDA is an aliphatic diamine with higher reactivity and is often used in systems requiring fast reaction, flexible chain segments or bio-based material concepts.   3. Structural Features and Reactivity The structure of PDA can be represented as H2N-(CH2)5-NH2. Its linear chain and two primary amino groups determine its typical aliphatic amine reactivity. • Two primary amino groups: react with epoxy groups to form crosslinked networks and react with dicarboxylic acids to form polyamide salts for further polymerization. • Five-carbon linear chain: introduces flexible chain segments into polymers and may help improve toughness and processing adaptability. • High reactivity: in epoxy systems, PDA generally cures rapidly; pot life and exotherm should be carefully evaluated in formulation development. • Bio-based development potential: PDA can be produced through bio-fermentation routes and is an important monomer in the bio-based polyamide value chain.   4. Key Advantages • High reactivity for polyamide polycondensation, epoxy curing and isocyanate derivative preparation. • Low-molecular-weight aliphatic diamine, which can increase reaction efficiency and crosslink density; curing speed should be controlled in epoxy formulations. • Good water solubility and solvent compatibility for various synthesis systems. • Suitable for bio-based material development, including bio-based nylon, engineering plastics, fibers and films. • Broad application scope covering polyamides, polyurethanes, epoxy curing agents, pharmaceutical/agrochemical intermediates and organic synthesis intermediates. 5. Technical Data Item Typical Value Appearance Colorless to yellow liquid with characteristic amine odor CAS No. 462-94-2 Molecular Formula C5H14N2 Molecular Weight 102.18 g/mol Melting Point Approx. 9°C Boiling Point 178-180°C Density Approx. 0.873 g/mL at 25°C Flash Point Approx. 63°C / 145°F Water Solubility Soluble Sensitivity Air sensitive & hygroscopic   Note: The above values are typical data from public references and do not constitute product specifications. Final quality specifications should follow the company TDS, COA or contract agreement.   6. Main Applications 1. Bio-based Polyamide Monomer PDA is an important diamine monomer for bio-based polyamides. It can react with dicarboxylic acids such as adipic acid and sebacic acid to produce PA56, PA510 and related polyamide materials. These materials can be used in fibers, engineering plastics, films, hot-melt adhesives and functional materials.   2. Epoxy Resin Curing Agent and Modified Hardener Raw Material PDA contains two primary amino groups and can react with epoxy resins to form crosslinked structures. Due to its high reactivity, pot life, exotherm and application window should be evaluated when PDA is used directly in epoxy systems. In industrial applications, it can also be used as a raw material for modified amine curing agents or blended hardener systems for coatings, adhesives and composite materials.   3. Polyurethane and PDI-related Raw Material PDA can be used as a five-carbon diamine raw material for developing pentamethylene diisocyanate (PDI) and related polyurethane systems, including high-performance coatings, elastomers and adhesives.   4. Organic Synthesis Intermediate PDA can also be used in pharmaceuticals, agrochemicals, surfactants, chelating agents and other fine chemical synthesis fields.   7. Packaging, Storage and Safety Packaging: Common packaging forms may include drums or IBC tanks. Actual packaging should follow the company specification and sales contract. Storage: Keep the container tightly closed in a cool, dry and well-ventilated place. Avoid heat, direct sunlight, and long-term exposure to air and moisture. Keep away from acids, strong oxidants and incompatible materials. Safety: PDA is a corrosive amine chemical. It may cause severe skin burns and eye damage and may cause respiratory irritation. Wear protective gloves, safety goggles and protective clothing, and ensure adequate ventilation during handling. Refer to MSDS for detailed safety information.   8. Data Note This document is prepared for internal product database and foreign trade development reference. Since the company TDS/MSDS/COA was not provided for this product, technical values are organized from public chemical references. External quotation, sample communication and contract documents should follow the official company TDS, MSDS and COA.

Product Name: 1,6-HEXANEDIAMINE CAS No.: 124-09-4 Chemical Name: 1,6-Hexanediamine；HMDA；1,6-Diaminohexane；Hexamethylene diamine   1. Product Information Item Information Chemical Name 1,6-Hexanediamine；HMDA；1,6-Diaminohexane；Hexamethylene diamine CAS No. 124-09-4 Product Category Aliphatic diamine; epoxy curing agent and polyamide resin raw material Appearance Colorless flake crystals Main Applications Isocyanates; Epoxy curing agents; Polyamide resins, adhesives, inks; Water treatment chemicals   2. Description 1,6-HEXANEDIAMINE is colorless flake crystals with ammonia odor. It is soluble in water, ethanol and ether. It is easy to deliquescence, flammable, toxic. It easily absorbs moisture and carbon dioxide in the air. Hexamethylenediamine is mainly used in the synthesis of nylon 66 and 610 resin, also used to synthesize polyurethane resin, ion exchange resin and hexyl diisocyanate. It is used as a curing agent for urea-formaldehyde resin, epoxy resin, organic cross-linking agent, etc. It is also used as a stabilizer in the textile and paper industry, bleaching agent, aluminum alloy corrosion inhibitor and neoprene emulsifier.   3. Structural Features and Key Properties 1,6-HEXANEDIAMINE contains two terminal primary amino groups and shows typical reactivity of aliphatic diamines. This structure makes it suitable for polymerization, cross-linking and curing reactions in multiple chemical material systems. • Two terminal primary amino groups for curing and cross-linking applications. • Important raw material for nylon 66 and 610 resin. • Soluble in water, ethanol and ether. • Easy to deliquescence and absorbs moisture and carbon dioxide in the air. • Flammable and toxic; operators should use protective equipment and follow MSDS requirements.   4. Specification Properties Specification Properties Value Appearance Colorless flake crystals Purity, % Min. 99.90 Water, wt.% Max. 0.05 Crystallization point, °C Min. 40.9 Color, Hazen Max. 5 Polarographic value, mmol/t Max. 100.0 Trans-diaminocyclohexane, mg/kg Max. 10.0   5. Applications • Isocyanates • Epoxy curing agents • Petroleum additives • Polyamide resins, adhesives, inks, • Scale and corrosion inhibitors • Water treatment chemicals   6. Packaging • Drums • Other packages   7. Safety Store in a cool, ventilated warehouse. Keep away from tinder, heat sources. The library temperature should not exceed 37 °C. The packaging should be sealed and not in contact with air. Should be stored separately from the oxidant, avoid mixed storage. Explosion-proof lighting and ventilation facilities are adopted. It is forbidden to use mechanical equipment and tools that are prone to sparks. Storage areas should be equipped with emergency treatment equipment for leakage and suitable containment materials. Operators should wear protective equipment to avoid direct contact with this product. When processing, using, and disposing of this product, the relevant safety and health laws and regulations of the country and region shall be observed. All safety information is provided in the Material Safety Data Sheet.   8. Notice The information contained herein is for product database and reference purposes. The user should perform his/her own tests to determine the suitability for a particular purpose. Final product use and safety compliance should follow the latest TDS, MSDS and COA documents.