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Product Name: Heptanesulfonic Acid Sodium Salt
Chemical Name: Sodium heptanesulfonate
CAS Number: 22767-50-6
Synonyms: 1-Heptanesulfonic acid sodium salt, Sodium n-heptanesulfonate
Recommended Use: Laboratory reagent, ion-pairing agent in chromatography
Supplier Details: Manufacturer or supplier details, phone for chemical emergencies, address for correspondence
Emergency Contact: Company hotline or emergency response
Classification: Not classified as hazardous according to GHS. Effects may include mild irritation on skin or eyes upon contact.
Main Hazards: Possible irritant to mucous membranes, prolonged or repeated exposure may cause minor skin detachment or dryness
Label Elements: None required by GHS. May recommend standard precautionary symbols for cleaning chemicals
Other Hazards: May release sulfur oxides during decomposition; avoid inhaling dust
Chemical Formula: C7H15NaO3S
Percent Composition: >98% pure (stated level may differ depending on manufacturer)
Impurities: Trace organic or inorganic materials, water, unreacted parent acid possible
Additional Components: No hazardous additives or stabilizers
Inhalation: Move person to fresh air. Seek medical attention if persistent cough or breathing issues appear. Provide oxygen if breathing becomes difficult.
Skin Contact: Rinse with large amounts of water. Remove contaminated clothing. Redness or irritation that does not improve with rinsing may need a healthcare check.
Eye Contact: Rinse with lukewarm water holding eyelids open. Remove contact lenses if present. Call a physician if irritation continues.
Ingestion: Rinse mouth thoroughly. Do not induce vomiting unless directed by a medical professional. Observe for abdominal pain or nausea, seek medical attention if symptoms intensify.
Symptoms to Watch For: Itching, rash, sneezing, mild cough, eye stinging, dryness
Recommendations for Physicians: Treat symptomatically, supportive care
Suitable Extinguishing Media: Water spray, CO2, dry chemical, foam
Specific Hazards: Product may form hazardous fumes like sulfur oxides in a fire event; containment recommended
Protective Equipment: Use self-contained breathing apparatus and full body protective suit if exposure to fire or smoke.
Special Precautions: Prevent runoff from entering water channels. Approach fire from the upwind side
Combustion Products: Sulfur oxides, carbon oxides, sodium compounds possible
Personal Precautions: Avoid any direct contact with skin or eyes. Wear gloves and safety goggles. Use a dust mask if spill is dusty.
Containment Methods: Sweep up spillage into clearly labeled containers using methods that reduce dust. Use damp towels if needed to reduce static release.
Clean-up Methods: Wash area with water after removal. Do not allow product to enter drains. Dispose through approved waste contractors.
Environmental Precautions: Prevent further leakage or spillage. Remove contaminated soil if large amounts spill outdoors
Handling: Use in a well-ventilated area. Avoid breathing dust or vapor. Minimize direct contact. Ensure containers remain closed and dry during use.
Storage: Store in tightly sealed containers away from heat, moisture, and incompatible chemicals (strong oxidizers, acids). Keep out of direct sunlight and store between 15°C–30°C.
Hygiene Measures: Wash hands before eating or drinking. Remove contaminated clothing before leaving the work area
Incompatible Materials: Strong acids, strong oxidizers, reducing agents
Engineering Controls: Work in chemical fume hood or under local exhaust. Prevent dust accumulation.
Personal Protection: Lab coat, chemical-resistant gloves (nitrile or PVC), eye protection (goggles or face shield), dust respirator if powder handling or dusty work.
Exposure Limits: Not established for this specific compound. Use with best lab hygiene practices.
Environmental Control: Do not discharge into waterways, sewers, or soil.
Appearance: White crystalline powder or granules
Odor: Nearly odorless or faint chemical scent
pH (1% solution): About 6.0–8.0
Melting Point/Freezing Point: Decomposes before melting, typically above 300°C
Boiling Point: Not applicable
Solubility: Soluble in water; low solubility in organic solvents
Vapor Pressure: Negligible
Relative Density: Around 1.32–1.38 g/cm³
Flash Point: Not flammable
Partition Coefficient: Not measured
Auto-Ignition Temperature: Not established
Decomposition Temperature: Begins to decompose at elevated temperatures
Viscosity: Not applicable (solid)
Chemical Stability: Chemically stable under normal laboratory conditions, sealed in original container
Hazardous Reactions: Strong acids or oxidizers may cause violent reactions
Conditions to Avoid: Avoid damp or humid environments, extreme heat
Hazardous Decomposition Products: Sulfur oxides, sodium oxides, various organic fragments in a fire
Acute Toxicity: Low toxicity by oral and dermal routes based on available literature; symptoms may include mild digestive upset.
Skin Corrosion/Irritation: May cause drying or slight irritation following contact.
Eye Damage/Irritation: May cause short-lasting discomfort or redness.
Respiratory Sensitization: Breathing high concentration of dust may cause minor respiratory irritation.
Carcinogenicity: Not listed by IARC, NTP, or OSHA; no known cancer risk identified.
Mutagenicity: No data indicating mutagenic properties.
Reproductive Toxicity: No data indicating toxicity to fertility or fetus.
Chronic Effects: Continued skin contact may bring dryness or scaling.
Medical Conditions Aggravated by Exposure: Pre-existing skin or respiratory conditions may increase sensitivity.
Aquatic Toxicity: Expected to show moderate persistence in water; little data available for aquatic species toxicity.
Persistence and Degradability: Expected to degrade slowly in soil and water, mainly by microbial action.
Bioaccumulation Potential: Low potential predicted
Mobility in Soil: Readily miscible with water, substance likely to move through soil if spilled
Other Adverse Effects: High concentrations may disrupt biological activity in water treatment plants
Waste Treatment Methods: Collect and place in appropriate chemical waste container. Dispose through licensed chemical waste incinerator if allowed.
Product Disposal: Follow local, regional, national, and international regulations for disposal of chemical substances;
Contaminated Packaging: Rinse well before recycling or disposal. Containers with residue treated as hazardous.
Special Precautions: Do not allow runoff to reach sewers, surface water, or groundwater
UN Number: Not regulated under DOT, IATA, or IMDG for transport
UN Proper Shipping Name: Not designated
Transport Hazard Class: Not classified as dangerous for transport
Packing Group: Not assigned
Environmental Hazards: Not designated as marine pollutant
Special Precautions: Ship in original container, prevent exposure to rough handling, keep dry
Labelling: Not classified as hazardous under GHS, EU CLP or US OSHA guidelines
TSCA Status: Listed in US Toxic Substances Control Act inventory
REACH Status: Registered or pre-registered in the EU as “not hazardous”
SARA Title III: Not subject to reporting under Extremely Hazardous Substances
California Proposition 65: Not listed
Canada DSL/NDSL: Listed
Relevant National Legislation: Product control subject to standard chemical safety laws
