Product Name: Ortho-tertiary-butylcyclohexyl acetate
Chemical Synonyms: OTBCHA, 1-acetoxy-2-(tert-butyl)cyclohexane
Chemical Family: Ester
Molecular Formula: C12H22O2
CAS Number: 88-41-5
Intended Use: Ingredient in fragrances, flavoring agent, laboratory chemical
Manufacturer Contact: Emergency phone number and company address (see local supplier information)
Product Code: As per local inventory system
Hazard Class: Eye irritant, Skin irritant, Combustible liquid
GHS Label Elements: Signal word: Warning; Hazard statements: Causes skin irritation, Causes serious eye irritation, May cause respiratory irritation, Flammable liquid and vapor
Pictograms: Exclamation mark, Flame
Precautionary Statements: Avoid contact with skin and eyes, Use in a well-ventilated area, Keep container tightly closed, Keep away from heat/sparks/open flames, Wear protective gloves and eye/face protection
Potential Health Effects: May cause mild to moderate irritation of skin, mucous membranes, and respiratory tract; inhaling high vapor concentrations may result in headaches, dizziness, or nausea; ingestion brings gastrointestinal distress
Environmental Hazards: Harmful to aquatic life, avoid release into environment, may cause long-term effects in aquatic environments
Chemical Name: Ortho-tertiary-butylcyclohexyl acetate
Purity: Typically >98%
Impurities: Trace isomers <1%, residual solvents <0.1%
Other Ingredients: None of significance under normal use
Inhalation: Move person to fresh air, monitor breathing, seek medical advice if symptoms develop
Skin Contact: Remove contaminated clothing, rinse skin with plenty of water for at least 15 minutes, seek medical attention for persistent irritation
Eye Contact: Immediately flush with plenty of water for no less than 15 minutes, lift eyelids occasionally, contact healthcare provider if irritation or vision changes occur
Ingestion: Rinse mouth, do not induce vomiting, get medical advice for any symptoms
Immediate Medical Attention: For symptoms such as trouble breathing, unrelenting skin or eye pain, persistent vomiting
Suitable Extinguishing Media: Foam, carbon dioxide, dry chemical, water spray (avoid direct water stream to prevent spread)
Unsuitable Media: Direct water jets may scatter material and spread fire
Special Hazards: May form toxic vapors (carbon monoxide, carbon dioxide, acetic acid fumes) when burned
Protective Equipment: Firefighters should use self-contained breathing apparatus and protective clothing
Firefighting Instructions: Evacuate area, cool exposed containers with water spray, prevent water runoff from fire control entering drains or water bodies
Personal Precautions: Wear suitable protective gear, provide adequate ventilation, avoid breathing vapors
Environmental Precautions: Prevent material from entering waterways, sewers, or soil
Spill Cleanup Methods: Use inert absorbent (sand, vermiculite), collect residue in labeled chemical waste containers, dispose of according to local requirements
Decontamination: Wash area with soap and water after removal of all bulk material
Disposal of Cleanup Materials: Follow all local, regional, and national hazardous waste regulations
Handling Precautions: Use only in well-ventilated areas, keep away from flames or sparks, do not breathe vapor, avoid direct contact
Equipment: Use non-sparking tools, properly grounded containers
Storage Conditions: Store in tightly sealed original containers, in cool, dry, well-ventilated place out of direct sunlight
Storage Incompatibility: Keep away from strong oxidizers, acids, or bases
Special Instructions: Avoid prolonged storage at high temperatures, segregate from foodstuffs and animal feed
Occupational Exposure Limits: No established limits for OTBCHA; keep exposure as low as practicable
Engineering Controls: Local exhaust or general ventilation
Eye Protection: Chemical safety goggles, face shield if risk of splashing
Skin Protection: Nitrile gloves, chemical-resistant apron/clothing
Respiratory Protection: Approved chemical cartridge respirator if vapor concentrations approach discomfort or exceed workplace limits
Hygiene Measures: Wash hands thoroughly after handling, no eating or drinking in work area, remove contaminated clothing and launder before reuse
Appearance: Colorless to pale yellow liquid
Odor: Pleasant, sometimes described as floral or fruity
Odor threshold: Not established
pH: Not applicable (non-aqueous)
Melting Point: -2°C to 1°C
Boiling Point: 266°C - 270°C
Flash Point: About 101°C (closed cup)
Evaporation Rate: Slow relative to water
Flammability: Combustible, may ignite above flash point
Upper/Lower Explosion Limits: Not determined
Vapor Pressure: 0.1 mmHg at 25°C
Vapor Density: Heavier than air
Relative Density: 0.98 - 1.00 (water = 1)
Solubility: Insoluble in water; soluble in most organic solvents
Partition Coefficient (n-octanol/water): Approx. 4.0
Auto-ignition Temperature: Data not available
Decomposition Temperature: May decompose on strong heating
Chemical Stability: Stable under recommended storage and handling conditions
Possibility of Hazardous Reactions: Not expected under normal use
Incompatible Materials: Strong oxidizing agents, concentrated acids or bases, strong reducing agents
Hazardous Decomposition Products: Acetic acid, carbon monoxide, carbon dioxide, short-chain hydrocarbons
Reaction Conditions to Avoid: Excessive heat, open flame, direct sunlight, sparks
Acute Toxicity: Estimated LD50 (oral, rat): > 5000 mg/kg; low acute toxicity
Skin Corrosion/Irritation: May cause mild to moderate irritation on contact
Serious Eye Damage/Irritation: Can irritate or redden eyes, may cause pain
Respiratory/Skin Sensitization: Not classified as a skin or respiratory sensitizer, though repeated or prolonged exposure may cause discomfort
Chronic Health Effects: Long-term exposure data limited; not known to cause cancer, birth defects, or reproductive harm as per available studies
Mutagenicity/Carcinogenicity: Not listed by IARC, NTP, OSHA
Symptoms of Exposure: Irritation to nose, throat, skin or eyes; drowsiness, dizziness with high-level exposures
Eco-toxicity: Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Persistence and Degradability: Slow biodegradation, tends to persist in soil/water
Bioaccumulative Potential: Moderate; log Kow approx. 4 suggests accumulation in aquatic organisms possible
Mobility in Soil: Low water solubility may hinder movement; will adhere to soil particles
Other Adverse Effects: High concentrations toxic to some aquatic species, especially algae and invertebrates
Disposal Methods: Do not pour into drains, surface water, or soil; dispose through licensed hazardous waste contractor
Container Disposal: Rinse thoroughly, remove labels, puncture or crush before disposal as chemical waste
Recycling: Not suitable for re-use or recycling without specialist treatment
Disposal Precautions: Follow federal, state, and local environmental control regulations for disposal of chemical waste and contaminated packaging
UN Number: 1993
UN Proper Shipping Name: Flammable liquid, n.o.s. (contains Ortho-tertiary-butylcyclohexyl acetate)
Transport Hazard Class: 3 (Flammable liquids)
Packing Group: III
Label: Flammable liquid
Environmental Hazards: Not a marine pollutant under IMDG code
Special Transport Precautions: Keep away from foodstuffs and feed, handle with care to avoid release
OSHA Status: Not specifically regulated, general chemical safety applies
TSCA (US): Listed
DSL (Canada): Listed
REACH (EU): Registration or pre-registration required in quantities over one tonne per year
SARA Title III: Not subject to Section 313 reporting
California Prop 65: Not listed
Other Regulations: Workers handling this material must receive hazard communication training according to local legislation
International Inventories: Compliant with most chemical regulations in the EU, US, Canada, and APAC; consult local authorities for details
