Contact Us
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
© 2025 Alchemist Worldwide Ltd, All Right Reserved
Product Name: Butyl Paraben
Chemical Name: Butyl 4-hydroxybenzoate
Synonyms: 4-Hydroxybenzoic acid butyl ester
Chemical Formula: C11H14O3
Molecular Weight: 194.23 g/mol
CAS Number: 94-26-8
Use: Preservative in pharmaceuticals, cosmetics, food products
Supplier Contact: Name, address, emergency phone number, and email should be available on the label or accompanying documentation for responsible sourcing.
Classification: Eye irritant (Category 2B), skin irritant (Category 3), possible respiratory irritant
Signal Word: Warning
Hazard Statements: Causes eye irritation, may cause mild skin irritation, possible respiratory discomfort with high exposure
Pictograms: Exclamation mark indicating eye and skin warning
Precautionary Statements: Wash hands thoroughly after handling, use personal protective equipment, avoid inhalation of dust or vapors, prevent contact with eyes and skin, ensure good ventilation in work area
Chemical Name: Butyl Paraben
Concentration: 100% (for pure substance)
Impurities: May contain trace materials from synthesis process
CAS Number: 94-26-8
EC Number: 202-318-7
Eye Contact: Immediately rinse eyes with water for at least 15 minutes, keep eyelids open, seek medical attention if irritation persists
Skin Contact: Wash affected area with soap and water, remove contaminated clothing, obtain medical attention for persistent irritation
Inhalation: Move person to fresh air, monitor for respiratory symptoms, seek medical help if cough or discomfort continues
Ingestion: Rinse mouth, seek immediate medical assistance, do not induce vomiting unless directed by medical personnel
Suitable Extinguishing Media: Water spray, dry chemical, foam, carbon dioxide
Unsuitable Extinguishing Media: Direct water jet (could spread material)
Fire Hazards: Combustible at high temperatures, may emit toxic fumes (carbon monoxide, carbon dioxide) under fire
Protective Equipment: Firefighters should wear self-contained breathing apparatus, full protective clothing
Special Precautions: Cool exposed containers with water spray to prevent rapture or explosion from heat exposure
Personal Precautions: Wear gloves, goggles, protective clothing, and a suitable respirator in case of dust
Environmental Precautions: Prevent spillage from entering drains, waterways, or soil
Clean-Up Methods: Sweep up and place in a suitable container for disposal, ventilate area, wash spill area with water while preventing runoff into waterways
Handling: Use in well-ventilated areas, avoid skin and eye contact, prevent inhalation of dust, keep away from food and beverages, handle with appropriate personal protective equipment
Storage: Store in tightly closed containers in a cool, dry, well-ventilated place, keep away from direct sunlight, oxidizing agents, sources of ignition, and moisture, label containers clearly
Occupational Exposure Limits: No established specific exposure limits, follow general airborne dust exposure guidelines
Engineering Controls: Use local exhaust ventilation to minimize exposure; install eyewash stations and showers nearby
Personal Protection: Wear chemical-resistant gloves, safety goggles, lab coats or aprons, in dusty conditions use approved respirators
Hygiene Measures: Avoid eating, drinking, or smoking near product; thoroughly wash hands and exposed skin after handling
Appearance: White to off-white crystalline powder
Odor: Faint characteristic odor
Melting Point: 68–70°C
Boiling Point: Decomposes before boiling
Solubility: Slightly soluble in water; soluble in alcohols and organic solvents
Vapor Pressure: Not significant at room temperature
Density: 1.2 g/cm³ (approximate)
pH (1% solution): Not available
Partition Coefficient (Log Kow): 3.28
Stability: Stable under recommended storage conditions
Reactivity: Not reactive under normal handling and storage conditions
Incompatible Materials: Strong oxidizing agents, strong acids, alkalis
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide under burning or decomposition
Conditions to Avoid: Heat, exposure to light, ignition sources, excessive moisture
Acute Toxicity: Oral LD50 (rat): 9,541 mg/kg
Skin Irritation: May cause mild irritation on prolonged/repeated skin contact
Eye Irritation: Causes irritation
Inhalation: Dust may cause respiratory tract irritation
Chronic Effects: Research has examined endocrine disruption potential; regulatory agencies have not concluded risk at typical concentrations in consumer products
Carcinogenicity, Mutagenicity, Reproductive Toxicity: Not classified as carcinogenic or mutagenic; current studies in animals do not show reproductive risk under low-level exposure
Ecotoxicity: Toxic in high concentrations to aquatic organisms, particularly fish and invertebrates
Mobility: Low solubility in water; tendency to adsorb to soil and sediment
Persistence and Degradability: Incomplete biodegradation in natural conditions; might persist in environment
Bioaccumulative Potential: Moderate potential due to log Kow value
Special Precautions: Prevent product from entry into soil, waterways, or drains to minimize risk to environment
Waste Methods: Dispose of in accordance with local, regional, national, and international regulations
Contaminated Packaging: Rinse containers thoroughly and offer for recycling or disposal at permitted facilities
Avoid: Release into sewers or water systems, uncontrolled disposal
Advice: Waste management professionals can direct waste streams for hazardous or specific industrial treatment if required
UN Number: Not regulated as dangerous goods under most transport standards
Proper Shipping Name: Butyl Paraben
Transport Hazard Classes: Not classified under ADR, IMDG, IATA
Packing Group: Not assigned; ship in tightly sealed packaging to prevent spillage
Special Transport Precautions: Protect containers from damage during transportation, keep upright, avoid temperature extremes and moisture
US Federal Regulations: Butyl Paraben is subject to TSCA inventory requirements; not listed as hazardous under SARA Title III Sections 302, 304, 311, 312, or 313
EU Regulations: Listed under REACH inventory, complies with restrictions on use in specific cosmetic and pharmaceutical applications
Labeling Requirements: GHS-compliant hazard and precautionary statements on packaging
Other Regulatory Status: Not classified as a carcinogen, mutagen, or reproductive toxin under IARC, NTP, OSHA, or EU CLP
Safety Assessments: National and regional authorities periodically review maximum allowed concentrations in consumer products based on current toxicological evidence
West Ujimqin Banner, Xilingol League, Inner Mongolia, China
