Chemical Powder

Product Details:

Maleic Anhydride extrapure AR, 99% is a high-purity, organic compound with the chemical formula C₄H₂O₃. It is a white, lumpy solid, typically supplied in a granular form, and known for its strong, pungent odor. This product is classified as "extrapure" and "AR" (Analytical Reagent), indicating a high level of purity (minimum 99%) and suitability for laboratory and analytical applications. 
                                                                                                            Key Characteristics:        

• Purity: Minimum 99%.
• Appearance: White, lumpy solid.
• Molecular Formula: C₄H₂O₃.
• Molecular Weight: 98.06.
• Melting Point: Typically between 52-54°C.
• Solubility: Dissolves in water to form a clear 10% aqueous solution.
• Storage: Recommended storage temperature is 25 to 40°C. 

Applications:    Maleic Anhydride extrapure AR, 99% is widely used in various industrial and research applications, including:

• Resin Production: Used in the manufacture of unsaturated polyester resins, alkyd resins, and various plastics. 
• Coatings: Serves as a component in the formulation of coatings and paints. 
• Agricultural Chemicals: Used in the production of agricultural chemicals and pesticides. 
• Laboratory and Analytical Uses: Its high purity makes it suitable for precise experiments and research in laboratories. 
• Other Applications: Also used in the production of pharmaceuticals, surfactants, and as a plastic additive. 

Important Considerations:

• Decomposition: Maleic anhydride can decompose at high temperatures, especially in the presence of catalysts like alkali metal ions or amines. 
• Safety: It's crucial to handle Maleic Anhydride with appropriate safety precautions, as it can be corrosive and irritating. 
• Storage: Store in a cool, dry place, away from incompatible materials. 

Additional Information:

• Delivery Time: Ready Stock
• Packaging Details: Bok

Product Details:

Poly(1,4-butylene adipate) is a biodegradable polyester known for its versatility and eco-friendly properties, particularly in biomedical applications. It's a random copolymer with a structure that includes both aliphatic (butylene adipate) and potentially aromatic (terephthalate) units, depending on the specific formulation. This structure influences its properties, such as flexibility, toughness, and biodegradability. Here's a more detailed look:Key Properties and Characteristics:

• Biodegradability:The presence of butylene adipate units makes it readily biodegradable, especially when composted. 
• Flexibility and Toughness:PBAT, in general, exhibits flexibility and toughness, making it suitable for blending with more rigid materials. 
• Mechanical Properties:While flexible, PBAT can be tailored to have varying degrees of stiffness and strength depending on the monomer composition and molecular weight. For instance, increasing the terephthalate content can enhance Young's modulus and tensile strength. 
• Biocompatibility:It is biocompatible, meaning it is compatible with living tissues, making it suitable for biomedical applications. 
• Versatility:It finds use in various applications due to its tunable properties. 

Common Applications:

• Biomedical: Drug delivery systems, tissue engineering scaffolds.
• Packaging: Film, coatings.
• Other: Injection molding for automotive, mechanical, and electronic industries. 

Specifics of Poly(1,4-butylene adipate):

• Melting Point: 56-60°C
• Density: 1.019 g/mL at 25°C
• Boiling Point: 338.5°C at 760 mmHg
• Flash Point: >113 °C 

Synonyms: Poly(butylene adipate), Adipic acid-1,4-butanediol copolymer, Poly(1,4-butanediol adipate), etc. 

Additional Information:

• Delivery Time: Ready Stock
• Packaging Details: Box

Product Details:

1-Octanethiol is a chemical compound, specifically an alkanethiol, also known as a mercaptan, with the molecular formula C8H18S. It is a clear, colorless liquid at room temperature, characterized by a mild odor and low solubility in water. It is primarily used as a precursor or intermediate in various chemical syntheses, particularly in the creation of self-assembled monolayers (SAMs) on surfaces and in the production of quantum dots. Here's a more detailed description:Physical Properties:

• Appearance: Clear, colorless liquid.
• Odor: Mild.
• Molecular Formula: C8H18S.
• Molecular Weight: 146.29 g/mol.
• Boiling Point: Approximately 199 °C (390 °F).
• Melting Point: Approximately -49 °C (-57 °F).
• Density: 0.84 g/cm³ (at 20°C).
• Flash Point: 115 °F (46 °C).
• Solubility: Insoluble in water.
• Vapor Pressure: Relatively low. 

Chemical Properties:

• 1-Octanethiol is a thiol, meaning it contains a sulfhydryl (SH) group bonded to a carbon atom. 
• It can form self-assembled monolayers (SAMs) on various surfaces, especially metals like gold. 
• It is used as a sulfur precursor in the synthesis of quantum dots (e.g., CdSe/CdS). 
• It can act as a corrosion inhibitor. 
• It is used in the production of lubricants. 

Safety Information:

• 1-Octanethiol can cause irritation to the eyes, skin, nose, and throat. 
• It may cause allergic skin reactions. 
• Exposure can lead to lassitude (weakness, exhaustion), cyanosis, increased respiration, nausea, drowsiness, headache, and vomiting. 
• It is a class II combustible liquid. 
• It should be handled with care, avoiding contact with oxidizers, reducing agents, strong acids, strong bases, and alkali metals. 

Additional Information:

• Delivery Time: Ready Stock
• Packaging Details: BOx

Product Details:

Acetyl chloride (CH3COCl) is a colorless, fuming liquid with a pungent odor, belonging to the acyl chloride class. It is highly reactive and decomposes violently in water. It's commonly used as an acetylating agent and in organic synthesis, but is corrosive and can cause burns upon contact with skin. Key properties and characteristics:

• Appearance: Clear, colorless liquid with a pungent, irritating odor. 
• State: Liquid at room temperature. 
• Reactivity: Highly reactive and decomposes violently in the presence of water. 
• Corrosivity: Corrosive to metals and tissues, can cause burns upon contact with skin. 
• Use: Used as an acetylating agent, in organic synthesis, and for the preparation of acetyl derivatives and dyes. 
• Safety: Inhalation of its vapor can irritate eyes and mucous membranes, and short-term exposure to higher concentrations may be fatal. 
• Volatility: It is a volatile liquid. 
• Flammability: Highly flammable. 
• Decomposition: Decomposes on heating and burning, releasing toxic and corrosive fumes. 
• Reaction with water: Reacts violently with water, producing hydrochloric and acetic acid fumes. 

Important considerations:

• Acetyl chloride is a dangerous chemical and should be handled with extreme care, following all safety precautions.
• It should be stored away from moisture and heat sources.
• Proper ventilation is crucial when working with acetyl chloride due to its volatile nature and potential for hazardous fumes.

Additional Information:

• Delivery Time: Ready Stock
• Packaging Details: BOx

Product Details:

Polyvinylpyrrolidone K30 (PVP K-30), also known as Povidone, is a water-soluble, white to off-white powder with a K-value of approximately 30. It is used as a versatile polymer in pharmaceuticals, cosmetics, and other industries due to its film-forming, stabilizing, and binding properties. PVP K-30 is stable, soluble in water and many organic solvents, and forms a hard, transparent, and glossy film, making it a common ingredient in products like hair sprays, tablets, and ointments. Chemical & Physical Properties 

• Appearance: White to off-white crystalline powder.
• Solubility: Soluble in water and various organic solvents.
• Film-Forming: Forms a hard, transparent, and glossy film.
• Hygroscopic: Readily absorbs moisture from the air.
• Stability: Generally stable but sensitive to light and incompatible with strong oxidizing agents.

Applications

• Pharmaceuticals:
  • Tablet Binding: Acts as a binder in tablets, capsules, and granules. 
  • Solubilizing Agent: Can improve the solubility and bioavailability of poorly soluble drugs. 
  • Dispersant & Stabilizer: Used to stabilize oral suspensions and dispersants for pigments. 
• Cosmetics & Personal Care:
  • Film Former: A key ingredient in hair styling products (gels, mousses) to provide hold and flexibility. 
  • Foam Stabilizer: Improves the consistency and stability of shampoos and other foaming products. 
  • Moisturizing Agent: Used in skin care products. 
• Other Industries:
  • Contact Lenses: Acts as a lubricant and wetting agent in some contact lenses and packaging solutions. 
  • Povidone-Iodine: A complex of PVP K-30 and iodine used for its potent antimicrobial properties. 

Key Characteristics

• The "K" Value:The "K" in PVP K-30 refers to the K-value, which indicates the average molecular weight and viscosity of the polymer, with 30 being a common intermediate value. 
• Safety:While generally considered safe, allergic reactions have been documented in some cases, particularly with subcutaneous or mucosal exposure. 

Additional Information:

• Item Code: 41030
• Delivery Time: Ready Stock
• Packaging Details: Box

Product Details:

Silver nitrate for analysis EMPARTA® ACS is a white, crystalline chemical compound (AgNO₃) that serves as a high-purity analytical reagent for laboratory use, particularly for reactions with halide ions to form insoluble precipitates. The EMPARTA® ACS designation indicates it meets strict American Chemical Society (ACS) specifications for purity, with high assay (>99.5%) and low levels of common impurities like chlorides, sulfates, lead, copper, and iron. It is stored in light-protected containers and used in applications such as titration, trace-metal testing, and various chemical syntheses. Key Features & Specifications:

• Chemical Formula: AgNO₃ 
• Appearance: White, crystalline solid or powder 
• Grade: EMPARTA® ACS, signifying it meets the quality standards of the American Chemical Society for analytical reagents 
• Purity (Assay): A high purity, often NLT 99.5% (Not Less Than 99.5%), ensuring reliable results in analytical procedures 
• Impurities: Low levels of common impurities are specified: 
  • Chloride (NMT 0.0005%) 
  • Sulfate (NMT 0.002%) 
  • Lead (NMT 0.001%) 
  • Copper (NMT 0.0002%) 
  • Iron (NMT 0.0002%) 

Uses and Applications:

• Analytical Reagent:Primarily used for reactions with halide ions to form insoluble precipitates. 
• Titration:Utilized in titrimetric analysis for quantitative chemical analysis. 
• Trace-Metal Testing:Its high purity makes it suitable for detecting and quantifying trace amounts of metals. 
• Chemical Synthesis:Serves as a precursor for other silver compounds and is involved in deprotection and oxidation reactions in organic synthesis. 
• Other Uses:Also employed in photography, manufacturing other silver compounds, and as a stain in histology and microscopy. 

Handling and Storage: 

• Light-Sensitive: Must be stored away from direct light to maintain its stability and prevent it from darkening.

Additional Information:

• Delivery Time: Ready Stock
• Packaging Details: Box

Product Details:

Ethyl methyl ketone (MEK), also known as butanone, is a clear, colorless liquid with a sharp, sweet odor. It's a versatile organic compound used as a solvent in various industries. MEK is also a natural component in some foods and is released into the atmosphere from vehicle exhaust. Key Characteristics:

• Appearance: Clear, colorless liquid.
• Odor: Sharp, sweet, reminiscent of butterscotch and acetone.
• Solubility: Soluble in water and other organic solvents.
• Flammability: Highly flammable.
• Vapor Density: 2.49.
• Density: 0.81 g/cm³. 

Common Uses:

• Solvent:MEK is widely used as a solvent in paints, lacquers, varnishes, adhesives, and printing inks. 
• Extraction:It is used to extract fats, oils, and resins. 
• Industrial Processes:MEK plays a role in various industrial applications, including the production of plastics and textiles. 
• Natural Component:It is found naturally in trace amounts in some fruits and vegetables, and is released into the atmosphere from vehicle exhaust. 

Safety Considerations:

• Flammable: MEK is a flammable liquid and should be handled with appropriate precautions.
• Irritant: It can cause skin and eye irritation upon contact.
• Inhalation Hazard: Inhalation of high concentrations of MEK vapor can cause respiratory irritation and central nervous system depression. 

Additional Information:

• Delivery Time: Ready Stock
• Packaging Details: Box

Product Details:

Whatman high-purity extraction thimbles are designed for accurate and reproducible emission testing, particularly in applications involving high temperatures and potential solvent incompatibility. They are manufactured from high-purity borosilicate glass microfiber or quartz, offering low extractable levels and resistance to temperatures up to 500°C or 800°C, respectively. These thimbles are binder-free and free of chemical additives, making them suitable for various analytical techniques like Soxhlet extraction, pollution monitoring, and pesticide residue analysis. Key Features:

• High Purity Materials: Made from 100% pure borosilicate glass microfiber or quartz, ensuring low extractable levels. 
• Temperature Resistance: Suitable for use at high temperatures, up to 500°C for glass and 800°C for quartz thimbles. 
• Binder-Free: Completely free of binders and chemical additives, preventing interference with analyses. 
• Versatile Applications: Ideal for Soxhlet extraction, pollution monitoring (including hot and acidic gases), pesticide residue analysis, and determining oil/fat content. 
• Solvent Compatibility: Can be used with solvents that are incompatible with cellulose thimbles. 
• Nominal Particle Retention: Typically have a nominal particle retention rating of 0.8 µm. 
• Variety of Sizes and Wall Thicknesses: Available in various dimensions to fit different Soxhlet extractors. 

Additional Information:

• Item Code: 2814-199
• Delivery Time: Ready Stock
• Packaging Details: Box

Product Details:

Qualigens Giemsa's staining powder, used to prepare a staining solution, is a versatile, polychromatic stain vital for differential staining in hematology, histology, and bacteriology. Composed of a buffered thiazine-eosinate solution with methylene blue, azure, and eosin, it differentiates cell components like nuclear and cytoplasmic morphology in blood cells (WBCs, RBCs, platelets) and parasites. It's also used for staining chromatin, nuclear membranes, and cytoplasmic elements in various clinical specimens, including blood, bone marrow, clinical cytology, and tumor samples. Key Characteristics & Applications

• Versatile Polychromatic Stain:Giemsa stain provides coloration for a diverse range of biological specimens. 
• Composition:The staining solution is a mixture of methylene blue, azure (a derivative of methylene blue), and eosin. 
• Key Applications:
  • Hematology: Widely used for blood and bone marrow smears to identify and classify white blood cells (WBCs), red blood cells (RBCs), platelets, and parasites. 
  • Parasitology: Essential for the diagnosis of malaria, staining the parasite's nucleus red and the cytoplasm blue. 
  • Bacteriology: Used to stain bacteria and spirochetes. 
  • Histology & Cytology: Differentiates nuclear and cytoplasmic structures in tissues and cells. 
• Staining Mechanism:Eosin (an acid dye) stains the nuclei and basic structures, while methylene blue and azure (basic dyes) stain the cytoplasm and other components. 
• Fixed Preparations:The stains are applied to methanol-fixed films or sections. 
• Combinations:Frequently used in combination with May-Grünwald's solution for the Pappenheim stain (MGG). 

Preparation and Use

1. 1. Solution Preparation:The powder is dissolved in a suitable solvent, often buffered methanol, at the correct concentration (e.g., 0.4% w/v) and pH (typically pH 6.8) to form the ready-to-use stain. 
2. 2. Staining Process:After applying the fixative (methanol), the sample is treated with the Giemsa stain, which differentiates and colors the cellular components. 

Important Considerations

• Quality Control:Due to lot-to-lot variations in dye quality, it's crucial to use purified components or ensure the stain is prepared according to standardized protocols to achieve consistent results. 
• Safety:As a chemical reagent, proper handling is required, with appropriate protective measures taken to avoid contact and inhalation. 

Additional Information:

• Item Code: Q39382
• Delivery Time: Ready Stock
• Packaging Details: Box

Product Details:

Merck's di-sodium tetraborate anhydrous (CAS 1330-43-4) is a chemical compound, Na₂B₄O₇, supplied as a powder and noted for its role in life sciences and research. Key properties include a melting point of approximately 741 °C, a density of around 2.367 g/cm³, and a slightly alkaline pH of 9.2 in water. It is associated with significant health hazards, including eye irritation and potential damage to fertility or the unborn child, requiring caution and protective measures during handling. Product Information 

• Chemical Formula: Na₂B₄O₇
• CAS Number: 1330-43-4
• Form: Powder
• Quality: Available in various grades, including Suprapur® for high-purity analytical applications

Key Physical Properties 

• Melting Point: Approximately 741–742 °C
• Density: Around 2.367 g/cm³ at 20 °C
• pH: 9.2 (25 g/l in H₂O at 20 °C)
• Solubility: Soluble in water, with specific values provided (e.g., 25.6 g/l)

Safety and Hazard Information

• GHS Pictograms: Features the GHS08 (Health Hazard) pictogram. 
• Hazard Statements:
  • H319: Causes serious eye irritation 
  • H360FD: May damage fertility. May damage the unborn child 
• Signal Word: Danger 
• Precautionary Measures: Requires understanding and adherence to safety precautions, including the use of protective equipment and seeking medical advice if exposed. 

Intended Uses

• Life Sciences: A leading supplier of solutions and services for research, development, and production in the biotechnology and pharmaceutical industries. 
• Synthesis: Used in the synthesis of organic products. 
• Other Applications: Also finds applications in cosmetics and pharmaceuticals. 

Additional Information:

• Item Code: 1.93697.0521
• Delivery Time: Ready Stock
• Packaging Details: Box