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Methylene Glycol
Methylene Glycol is a chemical compound formed by the reversible reaction of formaldehyde with water. It exists in equilibrium with formaldehyde in aqueous solutions and is commonly used as a disinfectant, preservative, and industrial biocide. Due to its antimicrobial properties, it is widely applied in water treatment, cosmetics, and embalming fluids.
Methylene Glycol
Primary Uses
- Disinfection & Sanitization
- Used in water treatment systems to control microbial growth.
- Effective in disinfecting medical equipment and surfaces.
- Applied in cooling tower treatments to prevent biofouling.
- Preservation
- Acts as a preservative in cosmetics and personal care products.
- Extends shelf life of industrial fluids (e.g., metalworking fluids).
- Used in embalming fluids for tissue fixation.
- Industrial Biocide
- Prevents bacterial and fungal growth in paper/pulp manufacturing.
- Used in oilfield operations to inhibit microbial contamination.
- Treats wastewater to reduce organic load and pathogens.
Secondary Uses
- Textile Industry
- Prevents mildew in fabrics during storage and shipping.
- Used in dye fixation processes.
- Laboratory Applications
- Acts as a fixative in histology and pathology samples.
- Used in formaldehyde-releasing reagent formulations.
- Agriculture
- Seed treatment to prevent fungal infections.
- Soil sterilization in greenhouse cultivation.
1. Basic Identification Attributes
- Chemical Name (IUPAC): Methanediol
- Common/Trade Name: Methylene Glycol
- CAS Number: 463-57-0
- HS Code: 2912.11.00 (Formaldehyde derivatives)
- Synonyms: Formaldehyde hydrate; Formalin (aqueous solution)
2. Physical & Chemical Properties
- Physical State: Liquid (in aqueous solution)
- Color & Odor: Colorless; pungent formaldehyde-like odor
- pH: ~3.5–5.5 (in solution)
- Solubility: Fully miscible with water
- Density: ~1.08–1.09 g/cm³ (37% solution)
3. Safety & Hazard Attributes
- GHS Classification:
- H301 (Toxic if swallowed)
- H311 (Toxic in contact with skin)
- H314 (Causes severe skin burns and eye damage)
- H317 (May cause allergic skin reaction)
- H331 (Toxic if inhaled)
- H341 (Suspected of causing genetic defects)
- H350 (May cause cancer)
- Toxicity: Highly toxic; carcinogenic and mutagenic potential
- Exposure Limits:
- OSHA PEL (Formaldehyde): 0.75 ppm (TWA)
- ACGIH TLV: 0.3 ppm (Ceiling)
4. Storage & Handling Attributes
- Storage Conditions:
- Store in sealed, corrosion-resistant containers.
- Keep in a cool, ventilated area away from heat/oxidizers.
- Container Type: Polyethylene or stainless-steel containers.
- Shelf Life: 6–12 months (stabilized solutions).
- Handling Precautions:
- Use PPE (gloves, goggles, respirator).
- Avoid inhalation or skin contact.
5. Regulatory & Compliance Attributes
- Complies with:
- EPA FIFRA (biocidal applications).
- EU REACH (restricted under Annex XVII).
- FDA (limited use in cosmetics).
- Restrictions: Banned in consumer products in some regions (e.g., EU cosmetics).
6. Environmental & Health Impact
- Biodegradability: Readily biodegradable (forms formaldehyde).
- Ecotoxicity: Toxic to aquatic life (LC50 < 10 mg/L).
- Bioaccumulation: Low potential.
- Carcinogenicity/Mutagenicity:
- IARC Group 1 (Formaldehyde: carcinogenic to humans).
Safety Handling Precautions
- PPE Required:
- Nitrile/neoprene gloves, chemical goggles, respirator (organic vapor cartridge).
- Handling Guidelines:
- Use in fume hoods or well-ventilated areas.
- Prohibit eating/drinking near handling areas.
- Storage Measures:
- Separate from amines, strong acids, and oxidizers.
First Aid Measures
- Inhalation: Move to fresh air; seek medical attention.
- Skin Contact: Rinse immediately with water; remove contaminated clothing.
- Eye Contact: Flush with water for 15 mins; seek emergency care.
- Ingestion: Do NOT induce vomiting; rinse mouth; call poison control.
Firefighting Measures
- Fire Hazards: Combustible at high temperatures.
- Extinguishing Media: Water spray, CO₂, dry chemical.
- Special Precautions: Wear self-contained breathing apparatus (SCBA).
- Hazardous Combustion Products: Formaldehyde, CO, CO₂.
Related products
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Ammonium Lactate
Ammonium Lactate is the ammonium salt of lactic acid, appearing as a clear, hygroscopic liquid or syrupy solution. It is widely used in pharmaceutical, cosmetic, and food industries primarily for its moisturizing, pH adjusting, and antimicrobial properties. In topical formulations, it acts as a keratolytic agent to help exfoliate and hydrate skin, making it popular in treatments for dry, scaly, or ichthyotic skin conditions. Its biocompatibility and mild acidic nature make it a versatile ingredient in various industrial and personal care products.
Apricot Powder
Apricot powder is a dehydrated, finely ground form of apricot fruit, retaining much of the natural flavor, aroma, and nutritional properties of fresh apricots. It is typically made by drying fresh apricots through spray drying, freeze drying, or drum drying, then milling into a fine powder. Apricot powder is rich in vitamins, minerals, dietary fiber, and antioxidants such as beta-carotene and vitamin C. It is widely used as a natural flavoring agent, colorant, and nutritional supplement in food and beverage products, as well as in cosmetics and dietary supplements. Its convenient powdered form allows for easy incorporation into dry mixes and processed goods without the perishability of fresh fruit.
D-Panthenol USP
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Derminol Liquor
Derminol Liquor is a high-performance fatliquor used in the leather tanning industry, specifically during the retanning and fatliquoring stages of wet-end leather processing. It is an emulsified blend of synthetic, semi-synthetic, or natural-based oils designed to impart softness, flexibility, and lubricity to leathers. Derminol Liquor provides deep penetration, excellent grain lubrication, uniform softness, and high lightfastness. It is compatible with both chrome-tanned and vegetable-tanned leathers. Derminol Liquor enhances leather feel, milling behavior, and aging resistance, and can be used alone or in combination with other fatliquors to achieve specific leather characteristics. It also contributes to environmental compliance by offering low BOD/COD values in effluents.
Methoxy benzophenone Sulfonic Acid
Methoxy Benzophenone Sulfonic Acid is a water-soluble UV filter widely used in sunscreen and cosmetic formulations. It absorbs ultraviolet (UV) radiation, primarily in the UVB range, protecting skin and products from harmful effects of sun exposure. This compound appears as a white to off-white powder or crystalline solid and is valued for its photostability and broad-spectrum UV protection.
Methyl Paraben
Methyl Paraben is a white to off-white crystalline powder widely used as an antimicrobial preservative in cosmetics, pharmaceuticals, and food products. It is a member of the paraben family of preservatives known for their effectiveness against a broad spectrum of bacteria and fungi. Methyl Paraben helps extend the shelf life of products by preventing microbial growth without affecting the product's texture or color.
Zinc Pyrithione
Zinc Pyrithione is a high-purity antimicrobial and antifungal compound derived from the coordination of zinc with pyrithione (1-hydroxy-2-pyridinethione). It is widely used as an active ingredient in personal care formulations, industrial coatings, and materials preservation due to its broad-spectrum biocidal efficacy against bacteria, fungi, and algae. Its excellent thermal stability and compatibility with various systems make it ideal for diverse industrial and cosmetic applications.
