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China, Chinese 44-Diaminodiphenylmethane Methylenedianiline Mda CAS 101-77-91 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Inorganic SaltOther Inorganic Salts101-77-944-Diaminodiphenylmethane
Qingdao Jinyu Chemical Co., Ltd
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Product Description Product DescriptionBasic InformationChemical Name: 4,4'-DiaminodiphenylmethaneCommon Alias: Methylenedianiline (MDA)Molecular Formula: C13H14N2Molecular Weight: 198.27 g/molCAS Number: 101-77-9Physical and Chemical PropertiesAppearance:At room temperature: White to light yellow crystalline solid (may darken upon exposure to air).Pure form: Colorless crystals.Melting Point: 89-91°CBoiling Point: 398-401°C (at atmospheric pressure)Solubility:Slightly soluble in water (0.1 g/100 mL at 25°C).Soluble in organic solvents: ethanol, ether, benzene, acetone.Chemical Stability:Stable under normal conditions but susceptible to oxidation in air, leading to color darkening.Reacts with acids, acid chlorides, and anhydrides; forms salts with strong acids.ApplicationsPolymer IndustryEpoxy Resins: Cures epoxy resins, forming high-strength, heat-resistant composites for coatings, adhesives, and electrical insulation.Polyurethanes: Precursor for MDI (4,4'-diphenylmethane diisocyanate), a key component in polyurethane foams, elastomers, and plastics.Polyamides: Synthesizes polyamides (nylons) with improved mechanical properties.Chemical IntermediatesManufactures dyes, antioxidants, and agricultural chemicals (e.g., herbicides, fungicides).Precursor for Schiff bases and other nitrogen-containing organic compounds.Research and DevelopmentUsed in laboratory syntheses and as a standard for analytical methods (e.g., HPLC, GC).Safety and ToxicityHealth Hazards:Carcinogenicity: Classified as a probable human carcinogen (Group 2B, IARC) due to links with bladder and lung cancers.Irritation: Causes skin and eye irritation; may trigger allergic dermatitis upon prolonged contact.Toxicity: Inhalation or ingestion can damage the respiratory system, liver, and kidneys.Environmental Risks:Persists in soil and water; toxic to aquatic life.Biodegradation is slow, requiring proper waste disposal (e.g., incineration under controlled conditions).Storage and HandlingStore in a cool, dry, well-ventilated area, sealed in airtight containers to prevent oxidation.Avoid contact with moisture, strong acids, and oxidizing agents.Use personal protective equipment (PPE): gloves, goggles, and a respirator (N95 or higher) to prevent inhalation and skin exposure.Product Parameters Packaging & ShippingLiquid productsDrum of 5kg ,10 kg ,25 kg ,50 kg 200 kg ,250 kg . 1000 kg IBC drum. TANK with 20 tons ,25 tons .Solid productsBag of 1 kg ,2 kg ,5 kg ,25 kg ,500kg ,1000 kg . Drum of 25 kg and 50 kg.Packaging can be customized according to customer requirements.Company ProfileQingdao Jinyu Chemical Co., LTD,which is located in Qingdao City, China, with registered capital of RMB 10 million, is a dynamic chemical import and export enterprise with customer demand as its own responsibility. The founder has been engaged in the chemical industry for more than 20 years. With professional technical and marketing personnel, diversified cooperative factories with synthetic technology and efficient logistics management, we provide services to customers all over the world. After years of hard work, we have selected a number of excellent chemical production cooperative enterprises in China. These enterprises have their own advantages in different chemical synthesis fields. They have passed the strict inspection of suppliers by many customers and formed a long-term and stable strategic partnership with customers. With our partners' excellent equipment, well-trained employees and mature technology, we also continue to provide customers with more products.Our Advantages
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