Product Name: 1,1,1-Trichloro-2-methyl-2-propanol hemihydrate
Synonyms: Chlorobutanol hemihydrate
CAS Number: 6001-64-5
Recommended Use: Preservative in pharmaceuticals and cosmetics, laboratory reagent
Manufacturer: Refer to product packaging for details
Contact Information: Emergency contact 24-hour helpline included on container label
UN Number: Not classified as hazardous for transport by standard regulations
Other Identifiers: Molecular Formula: C4H7Cl3O•0.5H2O
Product Code: See container for batch and lot number
GHS Classification: Acute toxicity (oral) Category 4, Skin irritation Category 2, Eye irritation Category 2A
Hazard Statements: Harmful if swallowed; causes skin irritation; causes serious eye irritation
Pictograms: Exclamation mark
Signal Word: Warning
Precautionary Statements: Avoid breathing dust; wash hands thoroughly after handling; do not eat, drink or smoke when using this product; wear protective gloves, eye protection
Other Hazards: May cause respiratory irritation in sensitive individuals, possible environmental hazard if released in large quantities
Chemical Name: 1,1,1-Trichloro-2-methyl-2-propanol hemihydrate
Concentration: ≥ 98% by weight
Impurities: Trace organic and inorganic impurities below 1%
Molecular Structure: C4H7Cl3O•0.5H2O
EC Number: 200-616-1
Skin Contact: Rinse affected area with plenty of running water for at least 15 minutes, remove contaminated clothing, wash with soap and water; seek medical attention if irritation persists
Eye Contact: Rinse immediately with clean water for at least 10 minutes, hold eyelids apart; seek medical attention promptly
Inhalation: Move to fresh air, keep at rest in position comfortable for breathing, seek medical attention if symptoms such as coughing or shortness of breath develop
Ingestion: Rinse mouth thoroughly with water, do not induce vomiting, seek medical attention if large amounts have been swallowed or if symptoms occur
Note to Physician: Treat symptomatically with supportive measures as required
Suitable Extinguishing Media: Water spray, carbon dioxide, dry chemical, foam
Unsuitable Extinguishing Media: High-pressure water jets
Specific Hazards: Decomposition releases phosgene, hydrogen chloride and chloroform vapors under fire conditions
Protective Equipment for Firefighters: Self-contained breathing apparatus and full protective gear
Additional Advice: Move containers away from fire area if safe, cool closed containers exposed to heat with water spray, avoid inhaling combustion fumes
Personal Precautions: Wear suitable protective equipment; avoid dust generation; ventilate area
Environmental Precautions: Prevent substance from entering drains, surface water, soil; inform authorities in case of large spills
Containment and Cleanup: Scoop up material with non-sparking equipment; collect in a dry, clean container for proper disposal; wash area thoroughly with water; dispose as hazardous waste
Safe Handling: Avoid contact with skin, eyes and clothing; use only in well-ventilated areas; handle with appropriate personal protective equipment; avoid inhalation of dust
Storage Conditions: Store in a tightly closed container; keep in a cool, dry and well-ventilated space, away from incompatible materials like strong acids and bases; keep away from sources of ignition
Specific End Use(s): Use as directed for laboratory and industrial purposes only; follow guidelines for handling preservatives in pharmaceuticals
Engineering Controls: Use chemical fume hood or local exhaust ventilation to keep airborne concentrations low
Eye Protection: Safety goggles or face shield
Skin Protection: Protective gloves resistant to chemicals (nitrile or PVC), lab coat
Respiratory Protection: NIOSH-approved respirator for dust if risk assessment indicates
Hygiene Measures: Wash hands before eating, drinking or using the restroom; remove contaminated clothing and wash before reuse
Workplace Exposure Limits: No occupational exposure limit established; minimize exposure as recommended for irritants
Appearance: White or slightly off-white crystalline powder
Odor: Slightly medicinal, characteristic camphor-like odor
Odor Threshold: No data available
pH: 5.0–6.0 (1% solution in water)
Melting Point/Freezing Point: 78–81°C (hemihydrate)
Boiling Point/Range: Decomposes before boiling
Flash Point: Not applicable
Evaporation Rate: No data available
Flammability: Non-flammable
Vapor Pressure: Not applicable
Relative Density: 1.86 g/cm³ (water = 1)
Solubility(ies): Low in water; soluble in ethanol and ether
Partition Coefficient (n-octanol/water): Not determined
Auto-ignition Temperature: Not self-igniting
Decomposition Temperature: Above 150°C
Viscosity: Not applicable
Chemical Stability: Stable under recommended storage conditions
Reactivity: Reacts with strong acids and oxidizers
Possibility of Hazardous Reactions: None expected under normal use, but exothermic reactions possible with incompatible substances
Conditions to Avoid: Heat, moisture, incompatible chemicals
Incompatible Materials: Strong oxidizing agents, acids, alkalis
Hazardous Decomposition Products: Hydrogen chloride, phosgene, chloroform when heated to decomposition
Routes of Exposure: Inhalation, ingestion, skin, and eye contact
Acute Toxicity: LD50 (oral, rat): 800 mg/kg
Skin Corrosion / Irritation: Causes irritation to skin on contact
Serious Eye Damage / Irritation: Causes serious eye irritation
Respiratory Sensitization: May cause irritation of respiratory tract
Germ Cell Mutagenicity: Not classified
Carcinogenicity: Not listed by IARC, NTP, OSHA
Reproductive Toxicity: Not classified
Repeated Dose Toxicity: Prolonged exposure may produce liver and kidney changes in animals
Target Organ Effects: May affect liver, kidneys, central nervous system
Symptoms: Burning sensation, cough, headache, nausea, drowsiness with high oral doses
Ecotoxicity: Harmful to aquatic life with long lasting effects
Persistence and Degradability: Moderately persistent, slow degradation in soil and water
Bioaccumulative Potential: Low potential for bioaccumulation
Mobility in Soil: Limited mobility due to low solubility in water
Other Adverse Effects: Avoid large releases; may alter local water chemistry if discharged in significant quantities
Waste Treatment Methods: Dispose of in accordance with local, regional, and national regulations for hazardous chemical waste
Hazardous Waste Number: Consult regulatory lists
Container Disposal: Rinse empty containers thoroughly before disposing according to local regulations; avoid release to the environment
Additional Disposal Recommendations: Contact approved waste disposal services for bulk or laboratory quantities; do not dispose with household waste
UN Number: Not listed under UN ADR for hazardous transport
Proper Shipping Name: Not regulated for transport
Transport Hazard Class(es): Not classified
Packing Group: Not applicable
Marine Pollutant: No, but bulk release should be prevented
Special Precautions for User: Avoid damage to packaging, transport in sealed and labeled containers
US TSCA: Listed
EU REACH: Not registered for large volume uses, subject to inventory tracking
OSHA Hazard Communication: Hazardous chemical as defined by OSHA
SARA Title III: Does not contain components reportable under Sections 302, 304, or 313
EPA CERCLA: Not subject to reporting
California Prop 65: Not listed
Canada DSL/NDSL: Listed
WHMIS: Classified as hazardous for workplace use
Labeling Requirements: Comply with GHS labeling as required for irritant substances
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