Product Name: Sodium 3-Chloro-2-Hydroxypropanesulphonate
Synonyms: CHPS-Na, Sodium Chlorohydroxypropanesulfonate
CAS Number: 126-83-0
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Recommended Use: Intermediate in chemical synthesis, additive for textiles and paper processing, surfactant
Restrictions on Use: Not intended for food, drug, or household use; strictly for industrial and laboratory purposes
GHS Classification: Eye irritation (Category 2A), Skin irritation (Category 2), Acute aquatic toxicity (Category 3)
Signal Word: Warning
Hazard Statements: Causes serious eye irritation; causes skin irritation; harmful to aquatic life
Pictograms: Exclamation mark
Precautionary Statements: Avoid breathing dust or mist; wash thoroughly after handling; use proper protective equipment; avoid release to the environment
Routes of Exposure: Inhalation, skin and eye contact, ingestion
Target Organs: Eyes, skin, respiratory tract
Chemical Name: Sodium 3-Chloro-2-Hydroxypropanesulphonate
Molecular Formula: C3H6ClNaO4S
Molecular Weight: 196.59 g/mol
Concentration: ≥98% (technical grade; impurities may include sodium sulfate, moisture by up to 2%)
Impurities/Contributing Hazards: Trace amounts of sodium chloride, may impact dustiness
Inhalation: Move affected individual to fresh air; give oxygen if breathing is difficult; seek prompt medical attention for persistent symptoms
Skin Contact: Remove contaminated clothing; rinse skin with plenty of running water for at least 15 minutes; use mild soap; seek medical attention if irritation persists
Eye Contact: Rinse eyes thoroughly with water for at least 20 minutes; hold eyelids apart; do not rub; seek urgent medical assistance, especially if irritation continues
Ingestion: Rinse mouth; avoid inducing vomiting unless recommended by medical professional; offer water to conscious person; seek immediate medical attention
Most Important Symptoms: Redness, burning, watering of eyes, skin rash, respiratory discomfort
Suitable Extinguishing Media: Water spray, dry chemical, carbon dioxide, or foam
Hazardous Combustion Products: Hydrogen chloride gas, sulfur oxides, sodium oxides, possible release of toxic and corrosive fumes
Protective Equipment: Firefighters should wear full protective gear and self-contained breathing apparatus
Fire Hazards: Product may decompose at high temperature; thermal decomposition produces irritating gases
Special Procedures: Cool containers with water spray to prevent structural damage; avoid inhalation of dust, combustion products
Personal Precautions: Use personal protective equipment including gloves, goggles, dust mask or respirator; avoid dust formation; ensure adequate ventilation
Environmental Precautions: Prevent runoff into drains, surface waters, and soil; alert authorities if significant spillage enters the environment
Methods for Cleanup: Sweep up and place in a suitable, labeled waste container using non-sparking tools; avoid raising dust; wash spill area with plenty of water after material pick-up
Handling: Wear protective clothing when working with the material; handle in a well-ventilated area; avoid direct contact with skin and eyes; avoid generating dust
Storage Conditions: Store in a tightly closed container made of suitable materials; keep in a cool, dry, well-ventilated area away from incompatible substances like strong acids, bases, and oxidizers
Hygiene Practices: Wash thoroughly after handling; do not eat, drink, or smoke near this product; keep storage containers clearly labeled and sealed when not in use
Occupational Exposure Limits: No established OSHA, NIOSH, or ACGIH exposure limits for this material; minimize exposure
Engineering Controls: Use local exhaust ventilation or process enclosures to control airborne dust
Personal Protective Equipment: Nitrile or neoprene gloves, safety goggles, face shield; lab coat or chemical-resistant clothing
Respiratory Protection: Use properly fitted, NIOSH-approved respiratory protection when dust may be generated
Other Controls: Emergency eyewash stations and safety showers located near working area
Appearance: White to off-white crystalline powder
Odor: Mild, non-pungent odor or odorless
Odor Threshold: Not determined
pH (1% solution): 6.0–8.0
Melting Point/Range: Decomposes, no clear melting point
Boiling Point/Range: Not applicable (decomposes before boiling)
Flash Point: Not flammable
Evaporation Rate: Not applicable
Flammability: Non-flammable
Explosion Limits: Not applicable
Vapor Pressure: Negligible at ambient conditions
Vapor Density: Not applicable
Relative Density: 1.5–1.7 g/cm³
Solubility: Soluble in water
Partition Coefficient (n-octanol/water): Not available
Auto-Ignition Temperature: Not applicable
Decomposition Temperature: Above 180°C
Viscosity: Not applicable (solid)
Chemical Stability: Stable under standard conditions; hygroscopic (absorbs moisture from air)
Conditions to Avoid: Excessive heat, humidity, direct sunlight, contact with strong acids, alkalies, oxidizing agents
Materials to Avoid: Strong acids and bases, strong oxidizers
Hazardous Decomposition Products: Sodium oxides, hydrogen chloride, sulfur oxides, chlorinated compounds
Polymerization: Not expected to occur
Acute Toxicity: Data limited; oral LD50 (rat) estimated >2000 mg/kg
Skin Corrosion/Irritation: Causes skin irritation, possible redness and drying
Serious Eye Damage/Irritation: Causes eye irritation, risk of significant discomfort or injury
Respiratory/Skin Sensitization: No known sensitizing effects
Ingestion Effects: Nausea, abdominal pain, diarrhea possible with large doses
Chronic Toxicity: No long-term data available on carcinogenicity, mutagenicity, or reproductive hazards
Additional Information: Prolonged or repeated exposure can cause dermatitis, eye irritation
Ecotoxicity: Harmful to aquatic organisms; may cause long-term adverse effects in the aquatic environment
Persistence and Degradability: Limited information; partial biodegradability expected
Bioaccumulative Potential: Low potential for bioaccumulation, due to water solubility
Mobility in Soil: Likely to leach into groundwater if released in significant quantity
Other Adverse Effects: Avoid uncontrolled release to environment; inform local authorities in case of large spills
Disposal Methods: Collect and place in approved chemical waste containers; incinerate or dispose of in accordance with national, regional, and local regulations
Contaminated Packaging: Empty containers should be cleaned with water and disposed of properly; do not reuse packaging
Special Precautions: No discharge should enter natural waters, soil or sewage system
UN Number: Not regulated for transport
UN Proper Shipping Name: Not classified as dangerous goods
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Environmental Hazards: Avoid release to waterways
Special Precautions: Keep container sealed, avoid rough handling
Status under TSCA: Listed or exempt
OSHA: Not regulated as hazardous
SARA 313: Not subject to reporting
Canadian DSL: Listed
EU Regulations: Subject to REACH registration
Labeling Requirements: Ensure proper chemical labeling under GHS
Other Regulations: Ensure compliance with local, regional and national safety, health, and environmental regulations
