Product Name: Sodium Potassium Tartrate, Reagent Grade
Synonyms: Rochelle Salt, Seignette Salt
CAS Number: 304-59-6
Recommended Use: Analytical reagent, laboratory chemical
Manufacturer: Refer to supplier label
Emergency Contact: Refer to local emergency number or Poison Control
GHS Classification: Not considered hazardous under standard GHS criteria for pure substance
Signal Word: None
Hazard Statements: May cause mild irritation to eyes, skin, respiratory tract
Precautionary Statements: Avoid breathing dust; wear appropriate personal protection; wash thoroughly after handling
Pictograms: None under GHS
Potential Health Effects: Eye irritation, skin dryness if exposed repeatedly, respiratory discomfort on inhalation of dust
Chemical Name: Sodium Potassium Tartrate
Common Name: Rochelle Salt
CAS Number: 304-59-6
EC Number: 206-156-8
Purity: >99% reagent grade
Impurities: None at levels requiring reporting by OSHA
Skin Contact: Wash thoroughly with soap and water; remove contaminated clothing
Eye Contact: Flush with copious water for at least 15 minutes, seek medical attention if irritation persists
Inhalation: Move to fresh air immediately, seek medical advice if symptoms develop
Ingestion: Rinse mouth, drink water to dilute, seek medical advice for large exposures or if symptoms appear
Most Important Symptoms: Mild irritation to eyes, skin redness, coughing if dust is inhaled
Suitable Extinguishing Media: Use water spray, carbon dioxide, dry chemical, or foam
Unusual Fire Hazards: Not flammable, but thermal decomposition may yield carbon oxides
Special Protective Equipment: Firefighters should wear full protective gear and self-contained breathing apparatus
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide, potassium oxides, sodium oxides on burning
Personal Precautions: Use dust mask, chemical safety goggles, gloves
Spill Clean Up Methods: Sweep up and place in suitable container for disposal; minimize dust generation; ventilate area
Environmental Precautions: Do not allow to enter drains or watercourses
Disposal: Dispose of in accordance with local, regional, and national regulations
Handling: Use proper PPE to avoid skin or eye contact; work in well-ventilated area; avoid inhaling dust
Storage: Store in a cool, dry, well-ventilated place; keep container tightly closed and out of direct sunlight
Incompatibilities: Avoid contact with strong acids, strong oxidizers
Other Conditions: Store away from food and drink; clearly label all containers
Occupational Exposure Limits: Not established for this compound
Respiratory Protection: Use NIOSH-approved dust mask if dust is generated
Hand Protection: Wear chemical-resistant gloves such as nitrile or PVC
Eye Protection: Use chemical splash goggles
Skin Protection: Wear laboratory coat or apron
Engineering Controls: Use local exhaust ventilation if dust is present
Hygiene Measures: Wash hands after handling; avoid eating, drinking, or smoking in work area
Appearance: White crystalline powder
Odor: Odorless
Odor Threshold: Not applicable
pH: 7.0–8.5 (10% w/v solution)
Melting Point: >70°C (decomposes)
Boiling Point: Not available (decomposes before boiling)
Flash Point: Not applicable
Flammability: Not flammable
Vapor Pressure: Not applicable
Solubility: Very soluble in water
Specific Gravity: 1.79 g/cm³
Relative Density: About 1.8
Partition Coefficient (n-octanol/water): Not determined
Decomposition Temperature: >70°C
Evaporation Rate: Not applicable
Viscosity: Not applicable
Chemical Stability: Stable under normal conditions of use and storage
Hazardous Reactions: No dangerous reactions known under normal use
Conditions to Avoid: Excessive heat, moisture, and incompatible materials
Materials to Avoid: Strong acids, strong oxidizers
Hazardous Decomposition Products: Carbon oxides, potassium oxides, sodium oxides
Routes of Exposure: Inhalation, skin and eye contact, ingestion
Acute Toxicity: Not classified as acutely toxic; may cause gastrointestinal upset on ingestion
Skin Corrosion/Irritation: May cause mild irritation with repeated contact
Serious Eye Damage/Irritation: May cause transient irritation
Respiratory Issues: Inhalation of dust can cause coughing
Sensitization: Not known to cause allergic sensitization
Repeated Dose Toxicity: Prolonged contact may dry skin
Carcinogenicity, Mutagenicity, Reproductive Toxicity: Not classified as hazardous for these endpoints
LD50 (Oral, Rat): >5000 mg/kg (estimated, not harmful at typical levels of exposure)
Ecotoxicity: Not classified as environmentally hazardous, but large releases may affect aquatic organisms due to high mineral content
Persistence and Degradability: Inorganic salt, low persistence in the environment
Bioaccumulation Potential: Low
Mobility in Soil: Readily dissolves in water, can leach into earth if spilled
Other Adverse Effects: Data insufficient for chronic environmental impact, minimize discharge to environment
Waste Treatment Methods: Dispose of in accordance with local, state, and federal laws
Waste Classification: Not household hazardous waste, but keep out of municipal sewage
Recommended Disposal: Use licensed chemical disposal contractor
Container Disposal: Rinse empty containers before discarding or recycling where allowed
Regulatory Disposal Code: As assigned by local authorities
UN Number: Not regulated as a hazardous material
Proper Shipping Name: Not classified as dangerous goods
Transport Hazard Class: None
Packing Group: None
Environmental Hazards: Avoid large spills into watercourses
Special Precautions During Transport: Protect package from moisture and physical damage
TSCA Status: Listed
DSL/NDSL: Listed in Canada
OSHA Hazard Communication: Not listed as hazardous
SARA Title III: Not subject to reporting under Sections 302, 304, 313
California Proposition 65: Not listed
REACH Registration: Not required for low-volume laboratory chemicals
Other Regulations: Observe all national, state, and local regulations for safe chemical handling
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