Chemical Name: 1-Propanesulfonic Acid, 3-(Cyclohexylamino)-2-Hydroxy-, Monosodium Salt
Other Names: CAPS sodium salt, N-Cyclohexyl-3-aminopropanesulfonic acid sodium salt
Recommended Use: Buffer in biochemical and molecular biology applications
Manufacturer: Refer to product container or supplier for details
Emergency Contact: Chemtrec: 1-800-424-9300 (USA), International: +1-703-527-3887
Product Code: Provided by supplier
Synonym: CAPS-Na
GHS Classification: Not considered hazardous under OSHA Hazard Communication Standard
Hazard Pictograms: No symbol assigned
Signal Word: Not applicable
Hazard Statements: May cause slight irritation to eyes and skin upon contact
Precautionary Statements: Read instructions before use, wear suitable protective clothing, and avoid direct contact
Hazards Not Otherwise Classified: Fine particles can be mechanically irritating
Chemical Identity: 1-Propanesulfonic Acid, 3-(Cyclohexylamino)-2-Hydroxy-, Monosodium Salt
Chemical Formula: C9H18NNaO4S
CAS Number: 1135-40-6
Purity: >98%
Other Components: No significant impurities or additives reported
Eye Contact: Rinse eyes gently with plenty of water for several minutes, remove contact lenses if present, continue rinsing.
Skin Contact: Wash affected skin with mild soap and water, seek medical attention for persistent irritation.
Inhalation: Move person to fresh air, monitor for respiratory discomfort, seek help if symptoms persist.
Ingestion: Rinse mouth thoroughly with water, do not induce vomiting unless directed by medical personnel, contact poison control or physician.
Most Important Symptoms: Eye and skin irritation, possible mild respiratory tract irritation
Notes for Physicians: Treat symptoms, no known antidote, support respiratory and circulatory function as needed
Suitable Extinguishing Media: Use water spray, carbon dioxide, dry chemical, or foam
Special Hazards: Thermal decomposition can release toxic fumes of nitrogen oxides, sodium oxides, and sulfur oxides
Protective Equipment: Wear self-contained breathing apparatus and full protective gear in enclosed areas
Firefighting Procedures: Avoid breathing fire gases, ventilate area after fire is extinguished
Explosion Data: Not sensitive to mechanical impact or static discharge under normal conditions
Personal Precautions: Use personal protection, avoid dust formation, prevent contact with skin, eyes, and clothing
Emergency Procedures: Evacuate unnecessary personnel, ventilate area
Environmental Precautions: Prevent release to sewers, drains, or natural waterways
Methods for Cleanup: Collect spilled material mechanically, use damp cloths or vacuum, place in chemical waste container for disposal
Spill Response: Avoid dust, wash area with soap and water after removal
Handling: Use local exhaust or general room ventilation, minimize dust generation, avoid direct contact
Storage: Store in tightly closed containers, keep in a dry, cool, well-ventilated place away from incompatible substances
Conditions to Avoid: Exposure to moisture, high temperatures, and strong oxidizers
Safe Handling Advice: Wash hands thoroughly after handling and before eating or drinking
Exposure Limits: No specific occupational exposure limits set by OSHA, ACGIH, or NIOSH
Engineering Controls: Use local exhaust ventilation if dust generation is possible
Personal Protective Equipment: Protective gloves recommended, safety goggles or face shield, lab coat
Respiratory Protection: Use approved dust mask if handling large quantities or where dust is generated
Hygiene Measures: Do not eat, drink, or smoke while using, wash hands after handling
Appearance: White to off-white crystalline powder
Odor: Odorless
Odor Threshold: Not determined
pH (1% Solution): Approximately 10.4
Melting Point: Not established, decomposes before melting
Boiling Point: Not applicable
Flash Point: Not flammable
Evaporation Rate: Not applicable
Solubility: Soluble in water
Vapor Pressure: Negligible
Vapor Density: Not applicable
Relative Density: Approximately 1.4 at 20°C
Partition Coefficient (log Kow): Not determined
Auto-ignition Temperature: Not available
Decomposition Temperature: Not specified
Viscosity: Not applicable
Chemical Stability: Stable under recommended storage conditions
Reactivity: Not reactive under normal processing
Hazardous Reactions: No dangerous reactions anticipated if product handled as recommended
Incompatible Materials: Strong oxidizing agents, acids
Decomposition Products: Thermal decomposition yields nitrogen oxides, sulfur oxides, sodium oxides
Potential Routes of Exposure: Skin and eye contact, inhalation, ingestion
Acute Toxicity: No known acute toxicity measured for the pure compound, handle as potentially harmful
Skin Corrosion/Irritation: May cause mild irritation
Serious Eye Damage/Irritation: May cause irritation and redness
Respiratory Sensitization: Not anticipated under normal conditions, avoid dust
Carcinogenicity: Not classified as a carcinogen by IARC, NTP, or OSHA
Mutagenicity: Not identified as mutagenic
Reproductive Toxicity: Not identified as toxic to reproduction
Repeated Exposure: No adverse effects reported from repeated low-level exposure
Ecotoxicity: No specific data, not expected to be hazardous in small laboratory quantities
Persistence and Degradability: Expected to degrade slowly in the environment
Bioaccumulative Potential: Low potential for bioaccumulation
Mobility in Soil: Dissolves readily in water, can migrate through soil
Other Adverse Effects: Avoid large-scale releases to environment
Waste Disposal Method: Comply with all federal, state, and local regulations; treat as non-hazardous chemical waste unless local rules indicate otherwise
Contaminated Packaging: Triple rinse and dispose according to guidelines or recycle if allowed
Precautions: Do not dump into drains, dispose through licensed chemical waste disposal company
UN Number: Not regulated for transport
UN Proper Shipping Name: Not classified
Transport Hazard Class: Not assigned
Packing Group: Not assigned
Environmental Hazards: Not a marine pollutant
Special Precautions: Avoid generating dust during handling and transport
Transport Label: None required
OSHA Status: Not considered hazardous
TSCA Status: Listed
SARA Title III: Not subject to reporting under Sections 302, 304, 311, 312, or 313
California Proposition 65: This product does not contain substances known to the State of California to cause cancer or reproductive toxicity
WHMIS Classification (Canada): Not controlled
Inventory Status: Listed on major chemical inventories (TSCA, EINECS, DSL)
Other Regulations: Consult local, state, and federal agencies for further information
