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Formalin
Original price was: $ 2.00.$ 1.44Current price is: $ 1.44.
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Formalin Formaldehyde is an aqueous solution containing approximately 37% formaldehyde by weight, stabilized typically with 10-15% methanol to prevent polymerization. It is a clear, colorless liquid with a pungent, penetrating odor. Formaldehyde is a simple aldehyde widely used as a disinfectant, preservative, and chemical intermediate. Formalin’s powerful antimicrobial and tissue-fixation properties make it essential in medical, laboratory, industrial, and manufacturing applications. It is one of the most commonly used chemicals worldwide for sterilization, embalming, and resin production.
Description
Formalin (Formaldehyde)
Primary Uses
- Medical and Laboratory
- Used extensively as a tissue fixative in histology, pathology, and anatomical studies to preserve biological specimens by cross-linking proteins and halting decay.
- Employed in embalming fluids to preserve human and animal remains.
- Used for sterilizing surgical instruments and disinfecting medical equipment and laboratories.
- Industrial Applications
- Key raw material in the manufacture of resins such as urea-formaldehyde, phenol-formaldehyde, and melamine-formaldehyde resins used in adhesives, laminates, plywood, and particleboard.
- Used as a fumigant and disinfectant in industrial sanitation and preservation.
- Utilized in the production of plastics, coatings, textiles, and paper treatments.
- Agriculture
- Used as a fungicide, bactericide, and pesticide in controlled applications.
- Applied to disinfect soil and farming equipment to control pathogens.
- Water Treatment
- Employed as a biocide in cooling towers, wastewater treatment, and industrial water systems to control microbial growth.
- Cosmetics and Consumer Products
- Used in very low concentrations as a preservative in cosmetic formulations (regulated due to toxicity concerns).
Secondary Uses
- Research and Analytical Chemistry
- Used as a standard reagent in chemical synthesis and analytical tests.
- Involved in polymerization reactions and cross-linking in biochemical applications.
- Textile Industry
- Applied in wrinkle-resistant and crease-proof finishing agents for fabrics.
- Waste Management
- Utilized in stabilization of sewage sludge and waste products to reduce pathogens and odors.
PRODUCT KEY FEATURES
- Basic Identification Attributes
- Chemical Name (IUPAC): Methanal
- Common/Trade Name: Formalin, Formaldehyde Solution
- CAS Number: 50-00-0
- HS Code: 2912.11
- Molecular Formula: CH2O
- Synonyms: Formaldehyde solution, Methylene glycol (in solution), Methanal
- Physical & Chemical Properties
- Physical State: Clear liquid
- Color & Odor: Colorless; strong pungent, irritating odor
- Boiling Point: ~100 °C (aqueous solution)
- Density: ~1.08 g/cm³
- Solubility: Completely miscible with water; soluble in alcohol and ether
- pH: Slightly acidic to neutral (4-7) depending on concentration
- Stability: Stable under cool, dark conditions; polymerizes upon prolonged storage or exposure to heat and light without stabilizer
- Safety & Hazard Attributes
- Hazard Class (GHS): Flammable liquid (Category 3), Acute toxicity, Skin corrosion/irritation, Serious eye damage/irritation, Carcinogenicity (Category 1B)
- Toxicity: Highly toxic by inhalation, ingestion, and skin absorption
- Exposure Limits: OSHA PEL: 0.75 ppm (8-hr TWA), NIOSH REL: 0.016 ppm (ceiling)
- Storage & Handling Attributes
- Storage Conditions: Store in tightly closed containers in a cool, well-ventilated area away from heat and ignition sources
- Container Type: Corrosion-resistant steel or plastic containers with vapor-tight seals
- Shelf Life: Typically 1-2 years if stored properly
- Handling Precautions: Use explosion-proof equipment; avoid vapor inhalation and direct contact; use personal protective equipment
- Regulatory & Compliance Attributes
- Subject to strict regulations worldwide due to toxicity and carcinogenicity
- Listed as a hazardous substance by OSHA, EPA, REACH, and other authorities
- Usage limits and occupational exposure strictly controlled
- Environmental & Health Impact
- Biodegradability: Readily biodegrades in the environment under aerobic conditions
- Ecotoxicity: Toxic to aquatic life with long-lasting effects
- Bioaccumulation: Not expected to bioaccumulate significantly
- Carcinogenicity/Mutagenicity: Classified as a human carcinogen (IARC Group 1) with mutagenic potential
SAFETY HANDLING PRECAUTIONS
- Safety Handling Precautions
- PPE Required: Full protective clothing, chemical-resistant gloves, safety goggles, face shield, and respiratory protection with formaldehyde cartridges or supplied air
- Handling Guidelines: Work in well-ventilated or exhaust-controlled areas; avoid inhalation and skin contact; no open flames or sparks nearby
- Storage Measures: Store away from oxidizing agents, strong acids, and alkalis; keep containers sealed and upright
- Hygiene Practices: Wash hands and exposed skin thoroughly after handling; no eating, drinking, or smoking in work areas
- First Aid Measures
- Inhalation: Move affected person to fresh air immediately; provide oxygen or artificial respiration if necessary; seek urgent medical care
- Skin Contact: Remove contaminated clothing; wash affected skin with plenty of water and soap; seek medical attention if irritation or burns occur
- Eye Contact: Rinse eyes with plenty of water for at least 15 minutes; obtain immediate medical attention
- Ingestion: Do NOT induce vomiting; rinse mouth; seek immediate medical help
- Firefighting Measures
- Fire Hazards: Flammable liquid; vapors can form explosive mixtures with air; emits toxic gases (formaldehyde, carbon monoxide) on burning
- Extinguishing Media: Use alcohol-resistant foam, dry chemical, carbon dioxide (CO₂), or water spray
- Special Precautions: Firefighters must wear self-contained breathing apparatus and full protective gear
- Decomposition Products: Formaldehyde, carbon monoxide, carbon dioxide, and other toxic gases
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