Chemical Product Identification & Regulatory Data
Official chemical identifiers, CAS numbers, and regulatory compliance information
Basic Product Information
Regulatory Identifiers
Chemical Abstracts Service registry number - unique identifier for chemical substances
Uses Information
Overview
Cesium hydroxide, 50% Aqueous Solution .
Manage Your Safety Data Sheets
Organize and access your chemical safety data with ease.
GHS Hazard Classification & Safety Warnings
Globally Harmonized System (GHS) hazard pictograms, signal words, and safety classifications
Classification Status
Signal Word
Hazard Classifications
GHS Hazard Pictograms & Safety Symbols
GHS06
GHS05
GHS (Globally Harmonized System) pictograms indicate specific chemical hazard categories and safety precautions
Hazard Statements
- H301: Toxic if swallowed.
- H314: Causes severe skin burns and eye damage.
Precautionary Statements
- Dispose of contents/container in accordance with local/regional/national/international regulations.
- Do not breathe dust/fume/gas/mist/vapours/spray.
- Wash thoroughly after handling.
- Do not eat, drink or smoke when using this product.
- Wear protective gloves/protective clothing/eye protection/face protection.
- IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
- IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
- IF ON SKIN (or hair) : Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower.
- IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
- IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- Immediately call a POISON CENTER or doctor/physician.
- Specific treatment (see label) .
- Rinse mouth.
- Wash contaminated clothing before reuse.
- Store locked up.
Chemical Manufacturers & Supply Chain
Authorized suppliers, manufacturers, and distribution network information
Alfa Aesar, A Johnson Matthey Company
manufacturer
Johnson Matthey Catalog Company, Inc.
distributor
US
24/7 Emergency Response & Poison Control
Critical emergency contact numbers for chemical spills, exposure incidents, and medical emergencies
Alfa Aesar, A Johnson Matthey Company
(978) 521-6300
US
During normal hours
After normal hours call Chemtrec at (800) 424-9300.
CHEMTREC
(800) 424-9300
US
Chemical Composition & Hazardous Ingredients
Detailed component analysis, concentration ranges, and hazardous substance identification
General Composition
Cesium hydroxide (CAS# 21351-79-1) , 50% Water (CAS# 7732-18-5), 50%
Chemical Components & Hazardous Substances
| Chemical Name | CAS Number | Concentration | Hazardous |
|---|---|---|---|
| Cesium hydroxide EC: 244-344-1 | 21351-79-1 | 50% | ✓ Non-hazardous |
| Water | 7732-18-5 | 50% | ✓ Non-hazardous |
Emergency First Aid Measures
Critical first aid procedures for chemical exposure incidents and medical emergencies
🫁 Inhalation Exposure
Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.
🖐️ Skin Contact
Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.
👁️ Eye Contact
Rinse opened eye for several minutes under running water. Then consult a doctor.
🍽️ Ingestion/Swallowing
Seek immediate medical advice.
Fire Fighting Measures & Emergency Response
Fire suppression methods, extinguishing media, and firefighting safety procedures
✅ Suitable Extinguishing Media
Use fire fighting measures that suit the surrounding fire.
🛡️ Firefighter Protection Equipment
Wear self-contained respirator. Wear fully protective impervious suit.
Accidental Release Measures & Spill Response
Emergency spill cleanup procedures, containment methods, and environmental protection
🌍 Environmental Precautions
Do not allow material to be released to the environment without proper governmental permits.
🧹 Cleanup Methods
Use neutralizing agent.
Cleanup Materials:
Dispose contaminated material as waste according to item 13.
Related Chemical Substances & Alternative Products
Similar chemicals with comparable safety profiles and industrial applications
Technical Specifications & Material Properties
Physical state, chemical properties, melting point, boiling point, and material characteristics
Safe Handling & Storage Procedures
Industrial handling precautions, storage conditions, and workplace safety requirements
⚠️ Handling Precautions
• Keep container tightly sealed.
• Store in cool, dry place in tightly closed containers.
• Ensure good ventilation at the workplace.
🏪 Storage Conditions
• Keep container tightly sealed.
• Store in cool, dry conditions in well sealed containers.
🔥 Fire Prevention Measures
The product is not flammable
Exposure Controls & Personal Protective Equipment (PPE)
Occupational exposure limits, engineering controls, and required safety equipment
🏭 Engineering Controls
Properly operating chemical fume hood designed for hazardous chemicals and having an average face velocity of at least 100 feet per minute.
🧤 Hand Protection
Impervious gloves
👁️ Eye Protection
Safety glasses, Tightly sealed goggles, Full face protection
😷 Respiratory Protection
Use suitable respirator when high concentrations are present.
🦺 Skin/Body Protection
Protective work clothing.
Chemical Stability & Reactivity Data
Chemical stability, hazardous reactions, and incompatible materials information
✅ Chemical Stability
Decomposition will not occur if used and stored according to specifications.
⚗️ Reactivity
Reacts with alkali metals. Reacts with alkaline earth metals.
🧪 Incompatible Materials
Acids. Aqueous solutions are incompatible with alkali and alkaline earth metals and many reactive organic and inorganic chemicals.
💨 Hazardous Decomposition Products
Metal oxide fume
Waste Disposal & Treatment Methods
Waste disposal procedures, treatment methods, and regulatory compliance requirements
🗂️ Product Disposal Recommendations
Consult state, local or national regulations to ensure proper disposal.
Transportation & Shipping Information
UN numbers, shipping names, transport classes, and regulatory transport requirements
🏷️ UN Number
3266
📦 Proper Shipping Name
CORROSIVE LIQUID, BASIC, INORGANIC, N.O.S. (cesium hydroxide)
⚠️ Transport Hazard Class
8
📋 Packing Group
II
Chemical Safety FAQ & Common Questions
Most frequently asked questions about safety, handling, storage, and regulatory compliance
What is the hazard signal word for Cesium hydroxide, 50% Aqueous Solution?
The signal word for this substance is "danger".
What is the solubility of Cesium hydroxide, 50% Aqueous Solution?
Fully miscible
What are the hazard statements for Cesium hydroxide, 50% Aqueous Solution?
This substance has 2 hazard statements: H301: Toxic if swallowed. H314: Causes severe skin burns and eye damage.
What is the melting point of Cesium hydroxide, 50% Aqueous Solution?
The melting point is Not determined and the boiling point is Not determined.