Product Name: Chlorphenesin
Chemical Name: 3-(4-chlorophenoxy)-1,2-propanediol
Synonyms: Glycerol p-chlorophenyl ether, 4-Chlorophenyl glyceryl ether
CAS Number: 104-29-0
Molecular Formula: C9H11ClO3
Recommended Use: Preservative in cosmetics, antifungal, topical muscle relaxant
Supplier Information: Details found on shipment paperwork or product label
Classification: Irritant to eyes, skin; harmful if swallowed
GHS Signal Word: Warning
Hazard Statements: Causes eye irritation, may cause mild skin irritation, harmful to aquatic life with long lasting effects
Precautionary Statements: Avoid contact with skin and eyes, do not breathe dust, wash hands thoroughly after handling, avoid release into the environment
Pictogram(s): Exclamation Mark, Environment
Component: Chlorphenesin
Chemical Formula: C9H11ClO3
Concentration: 98% or above (for most laboratory or industrial grades)
Impurities: Minor inert manufacturing residues, under specified control limits
Inhalation: Move person to fresh air, seek medical attention if symptoms persist
Skin Contact: Wash thoroughly with soap and water, remove and wash contaminated clothing
Eye Contact: Rinse immediately with plenty of water for at least 15 minutes, seek medical help if irritation continues
Ingestion: Rinse mouth with water, give water to drink, get medical advice if feeling unwell
Most Important Symptoms: Redness, irritation, possible allergic reactions in sensitized people
Suitable Extinguishing Media: Water spray, dry chemical, foam, carbon dioxide
Unsuitable Extinguishing Media: Do not use strong streams of water
Special Hazards: Combustion releases carbon monoxide, carbon dioxide, hydrogen chloride
Protective Equipment: Firefighters need self-contained breathing apparatus and protective clothing
Advice: Cool containers with water spray, keep away from strong oxidizers
Personal Precautions: Wear gloves, splash goggles, protective clothing, avoid dust formation
Environmental Precautions: Prevent product from entering drains, sewers, or waterways
Cleanup Methods: Sweep up and collect spillage, place in container for disposal, ventilate area, wash residue from spill site
Handling: Avoid inhaling dust, prevent direct contact with skin and eyes, wear personal protective equipment, use local exhaust ventilation
Storage Conditions: Store in tightly closed original container in a cool, dry, well-ventilated area away from incompatible substances like strong oxidizers and acids, keep away from food and beverages
Occupational Exposure Limits: No specific allowable workplace limits identified for this material
Engineering Controls: Use local exhaust or general ventilation
Personal Protective Equipment: Nitrile gloves, chemical splash goggles, lab coat or apron, respiratory protection if dust generation is likely
Hygiene Measures: Wash hands after use, do not eat or drink near handling area, remove contaminated clothing before leaving workplace
Appearance: White to off-white crystalline powder
Odor: Faint, characteristic
pH: 6.0–8.0 (1% solution in water)
Melting Point: 78–82°C
Boiling Point: 323–324°C
Solubility: Soluble in alcohol, slightly soluble in water (approx. 2 g/L at 25°C)
Vapor Pressure: Negligible at room temperature
Density: 1.32 g/cm³
Flash Point: 172°C
Partition Coefficient: Log Pow: 1.16 (estimated)
Chemical Stability: Stable under recommended handling and storage conditions
Conditions to Avoid: High temperatures, ignition sources, incompatible chemicals
Incompatible Materials: Strong acids, strong oxidizing agents
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, hydrogen chloride can form during thermal decomposition
Polymerization: Will not occur under normal conditions
Acute Toxicity: LD50 (oral, rat): 3280 mg/kg
Skin Corrosion/Irritation: Mild irritant
Serious Eye Damage/Irritation: Moderate to severe irritant
Respiratory Sensitization: Not classified as a respiratory sensitizer
Skin Sensitization: Possible in sensitized individuals or repeated contact
Carcinogenicity: Not listed by NTP, IARC, or OSHA
Other Effects: May cause drowsiness or headache at high exposures, long-term repeated exposure may cause skin sensitization
Ecotoxicity: Harmful to aquatic life (LC50 Fish: >100 mg/L, EC50 Daphnia: >100 mg/L)
Persistence and Degradability: Expected to be biodegradable
Bioaccumulative Potential: Low log Pow suggests minimal bioaccumulation
Mobility: Limited mobility in soil, most remains in upper layers
Other Effects: Avoid uncontrolled release to waterways, may have impacts in concentrated spills
Waste Disposal Methods: Dispose of contents/container according to local/regional/national guidelines, do not flush into water or sewer systems
Contaminated Packaging: Rinse containers before disposal, follow specific guidelines for chemical waste
Reuse: Avoid reuse of single-use packaging contaminated with product
Waste Codes: Not classified as hazardous waste under most jurisdictions, but proper documentation helps during audits
UN Number: Not regulated
Proper Shipping Name: Not classified as a dangerous good for transport
Transport Hazard Class: None
Packing Group: None
Special Precautions: Protect from moisture, keep container sealed, do not stack above recommended limits
TSCA Status: Listed on United States TSCA Inventory
REACH Status: Compliant for use in cosmetics as a preservative under specified limits
EU Regulations: Falls under Cosmetic Regulation (EC) No. 1223/2009, restricted to 0.3% in final product for leave-on and rinse-off products
Other Country Regulations: Listed or permitted under chemical inventories in Japan, Canada, Australia, China
Workplace Regulations: Employers must provide training and documentation for chemical hygiene, maintain records of use and accidental releases as required by law
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