Product Name: Ammonium 2-Hydroxyethanesulphonate
Synonyms: Ammonium isethionate, Ammonium 2-hydroxyethanesulfonate
Chemical Formula: C2H7NO4S
CAS Number: 5424-95-1
Product Use: Laboratory chemical, manufacturing of surfactants, cleansing agents, intermediate in chemical synthesis
Supplier: Refer to vendor’s address
Emergency Contact: Refer to local emergency telephone listing
Classification: Not classified as hazardous according to GHS criteria
Signal Word: None
Hazard Statements: May cause mild skin or eye irritation. Ingestion or inhalation of large amounts can lead to discomfort.
Pictogram(s): None required
Precautionary Statements: Avoid breathing dust. Wash skin thoroughly after handling. Wear protective gloves and eye protection.
Routes of Exposure: Inhalation, ingestion, skin, and eye contact
Health Effects: May cause slight irritation to eyes, skin, and respiratory tract. No chronic health effects reported.
Chemical Name: Ammonium 2-Hydroxyethanesulphonate
Common Name: Ammonium isethionate
Concentration: >99% by weight
Impurities: Trace amounts of inorganic salts or residual solvents below threshold levels
EC Number: 226-517-7
Eye Contact: Rinse cautiously with water for several minutes. Remove contact lenses. Seek medical attention if irritation persists.
Skin Contact: Wash skin with soap and water. Remove contaminated clothing. If irritation develops, consult a doctor.
Inhalation: Move person to fresh air. Provide oxygen if breathing becomes difficult. Seek medical attention for any symptoms.
Ingestion: Rinse mouth with water. Do not induce vomiting. Seek medical attention if feeling unwell.
Important Symptoms: Slight local irritation possible on contact.
Advice for Rescuers: Use protective equipment, including gloves and eye protection.
Suitable Extinguishing Media: Water spray, dry chemical powder, alcohol foam, or carbon dioxide.
Unsuitable Extinguishing Media: None reported for this material.
Hazardous Combustion Products: Sulfur oxides, nitrogen oxides, and ammonia gas may be released in fire
Protective Equipment for Firefighters: Wear full protective gear, including self-contained breathing apparatus
Special Hazards: Avoid inhalation of smoke or fumes
Personal Precautions: Wear gloves, protective eyewear, and a dust mask. Isolate spill area.
Environmental Precautions: Prevent entry into waterways, drains, or soil.
Spill Cleanup Methods: Collect material with an inert absorbent. Sweep up and place in labeled container for disposal.
Decontamination: Rinse spilled area with water to remove residues. Dispose of cleanup materials properly.
Handling: Avoid creating dust. Use in a well-ventilated area. Do not eat, drink, or smoke during use.
Hygiene: Wash hands thoroughly after handling.
Storage Conditions: Store in a cool, dry, well-ventilated place. Keep container tightly closed.
Incompatible Materials: Strong oxidizing agents, strong acids or bases.
Shelf Life: Stable under recommended storage conditions.
Occupational Exposure Limits: None established for this compound.
Engineering Controls: Use local exhaust ventilation, especially if dust generation is possible.
Respiratory Protection: Use a dust mask or respirator when ventilation is inadequate.
Hand Protection: Chemical-resistant gloves such as nitrile or neoprene
Eye Protection: Safety goggles or face shield
Skin Protection: Protective clothing such as lab coat
Hygiene Measures: Wash hands and face after use. Remove contaminated clothing.
Appearance: White to off-white crystalline powder
Odor: Odorless
Odor Threshold: Not determined
pH: 5.0 – 6.0 (10% aqueous solution)
Melting Point: 200–203°C (decomposes above melting)
Boiling Point: Not applicable (decomposes)
Flash Point: Not flammable
Evaporation Rate: Not volatile
Flammability: Not combustible
Vapor Pressure: Negligible at room temperature
Vapor Density: Not applicable
Relative Density: 1.45 g/cm³
Solubility: Easily soluble in water
Partition Coefficient (n-octanol/water): Not applicable
Auto-ignition Temperature: No data
Decomposition Temperature: >200°C
Viscosity: Not applicable
Chemical Stability: Stable under recommended storage conditions
Reactivity: No significant reactivity under normal conditions
Conditions to Avoid: Excessive heat, exposure to moisture
Incompatible Materials: Strong oxidizing agents, strong acids and bases
Hazardous Decomposition Products: Sulfur dioxide, ammonia, nitrogen oxides under fire conditions
Polymerization: Does not occur
Acute Toxicity: Oral (rat): LD50 > 2000 mg/kg (low toxicity)
Skin Corrosion/Irritation: May cause mild skin irritation on contact
Serious Eye Damage/Irritation: May cause mild, transient irritation
Respiratory Sensitization: Not expected to cause sensitization
Skin Sensitization: Not expected to cause sensitization
Germ Cell Mutagenicity: No data indicating mutagenic potential
Carcinogenicity: No data indicating carcinogenic potential
Reproductive Toxicity: No reproductive or developmental effects known
Specific Target Organ Toxicity (Single Exposure): Not classified
Specific Target Organ Toxicity (Repeated Exposure): Not classified
Aspiration Hazard: Not expected to pose aspiration risk
Ecotoxicity: Low toxicity to aquatic organisms based on available data
Persistence and Degradability: Expected to be readily biodegradable
Bioaccumulative Potential: Low potential for bioaccumulation
Mobility in Soil: High water solubility suggests mobility in the environment
Other Adverse Effects: Release to the environment should be minimized
Environmental Fate: Rapidly degraded under environmental conditions
Waste Treatment Methods: Dispose of in accordance with local, regional, and national regulations
Disposal Containers: Use appropriate containers for waste
Handling of Waste: Avoid contact during disposal. Seal containers tightly.
Contaminated Packaging: Empty packaging may contain residues. Dispose of as chemical waste.
Special Precautions: Consult with certified waste disposal contractor for guidance
UN Number: Not regulated for transport
UN Proper Shipping Name: Not classified as dangerous goods
Transport Hazard Class: Non-hazardous
Packing Group: Not applicable
Marine Pollutant: Not classified as marine pollutant
Special Precautions: Avoid damage to packaging during transport. Keep container upright and secure.
Safety, Health, and Environmental Regulations: No specific regulations for this compound under major chemical safety laws
GHS Classification: Not hazardous
TSCA Status: Listed (United States)
DSL/NDSL Status: Listed (Canada)
REACH Status: Exempted or registered according to EU regulations
Other Regulatory Listings: Check product with local, national, or regional lists as needed
Label Elements: Product labeling not required under GHS
Chemical Safety Assessment: Provided for industrial and laboratory use
