Product Name: Cyanex 272
Chemical Name: Bis(2,4,4-trimethylpentyl) phosphinic acid
Synonyms: Cyanex 272, Bis-(2,4,4-trimethylpentyl)-phosphinic acid
CAS Number: 17984-41-1
Recommended Use: Extraction solvent for metal ions
Manufacturer: Solvay
Emergency Contact: Accessible through local regulatory response or supplier contact provided on shipping paper
Classification: Eye irritation, Skin irritation, Specific target organ toxicity (single exposure)
GHS Label Elements: Hazard pictogram (exclamation mark), Signal word: Warning
Hazard Statements: Causes eye irritation, Causes skin irritation, May cause respiratory irritation
Precautionary Statements: Avoid breathing mist or vapor, Wash hands after handling, Wear protective gloves and eye protection, If in eyes: rinse cautiously, If on skin: wash with plenty of soap and water, If inhaled: remove person to fresh air
Potential Health Effects: Repeated exposure may dry skin or cause cracking, Eye exposure can produce redness or discomfort, Excessive inhalation triggers coughing and sore throat
Ingredient: Bis(2,4,4-trimethylpentyl) phosphinic acid
Concentration: >92%
Impurities: Related phosphinic acid derivatives, not regarded as significantly hazardous at trace levels
Molecular Formula: C16H35O2P
Eye Contact: Rinse cautiously with water for several minutes, Remove contact lenses if present and easy to do, Seek medical attention if irritation does not subside
Skin Contact: Wash exposed area thoroughly with soap and water, Remove contaminated clothing, Seek medical attention if symptoms persist
Inhalation: Move to fresh air promptly, Provide artificial respiration if breathing has stopped, Seek medical advice for any respiratory symptoms
Ingestion: Rinse mouth, Do not induce vomiting, Obtain medical assistance if ill effects appear
Suitable Extinguishing Media: Water spray, Alcohol-resistant foam, Dry chemical, Carbon dioxide
Specific Hazards: Emits toxic fumes under fire conditions, including phosphorus oxides and carbon oxides
Protective Equipment: Full protective clothing, Self-contained breathing apparatus
Additional Information: Fight fire from safe distance, Cool exposed containers with water spray, Contain and collect extinguishing water to prevent environmental contamination
Personal Precautions: Use personal protective equipment, Avoid contact with eyes and skin, Ensure adequate ventilation
Spill Cleanup: Absorb with inert material (sand, earth), Sweep up and place in suitable container, Wash spill area after material pickup
Environmental Precautions: Prevent entry into drains or watercourses, Inform relevant authorities if product contaminates water
Methods for Disposal: Dispose waste and residues in accordance with local authority guidelines, Do not allow run-off into sewers
Safe Handling: Wear protective gloves and clothing, Keep container tightly closed, Do not breathe vapor or mist, Use only outdoors or in a well-ventilated area
Storage Conditions: Store in original container, Store in a cool, dry, well-ventilated area away from incompatible materials such as oxidizers, acids, and bases
Incompatible Materials: Strong oxidizers, Strong acids, Strong bases
Additional Precautions: Keep away from heat sources, Prevent static discharge, Avoid direct sunlight and moisture
Engineering Controls: Use fume hood or local exhaust ventilation to minimize vapor exposure, Maintain eye wash stations and safety showers
Personal Protection: Chemical-resistant gloves, Nitrile or PVC gloves preferred, Safety goggles or face shield, Protective clothing
Respiratory Protection: Wear approved respirator if vapor or mist is possible, Especially recommended for inadequate ventilation
Occupational Exposure Limits: Not established for this substance, Follow relevant local exposure limits for chemical handling
Appearance: Pale yellow to colorless liquid
Odor: Mild, characteristic hydrocarbon-like scent
Boiling Point: Over 300°C
Melting Point: -15°C to -6°C
Flash Point: Above 150°C (closed cup)
Solubility: Insoluble in water, Soluble in common organic solvents like kerosene, toluene, and alcohols
Density: About 0.96 g/cm³ at 20°C
Vapor Pressure: Negligible at room temperature
Viscosity: Moderate, flows as a typical organic liquid
Chemical Stability: Stable under normal conditions of use and storage
Reactivity: May react with strong oxidizing agents to form hazardous compounds
Conditions to Avoid: Excessive heat, Open flames, Prolonged exposure to light
Hazardous Decomposition Products: Phosphorus oxides, Carbon oxides, May form irritant gases when burned
Routes of Exposure: Inhalation, Skin and eye contact, Ingestion
Acute Toxicity: Oral LD50 (rat): > 2,000 mg/kg, Dermal LD50 (rabbit): > 2,000 mg/kg
Irritant Effects: Causes eye and skin irritation, May trigger respiratory irritation
Chronic Effects: Not classified as carcinogenic, Not recognized as mutagenic, No evidence of reproductive toxicity in standard animal studies
Symptoms of Overexposure: Redness, swelling, or discomfort in eyes or skin, Respiratory coughing or soreness after inhaling mist
Aquatic Toxicity: Moderately toxic to aquatic organisms, Large spills can harm fish and water fleas
Persistence and Degradability: Substance has low biodegradability, May persist in natural environments for extended periods
Bioaccumulative Potential: Expected to bioaccumulate in aquatic species, Based on chemical properties
Mobility in Soil: Binds moderately to soil particles, Limited mobility, Higher retention in sediments
Other Adverse Effects: Toxic for aquatic plants in concentrated form, Limit material discharge to waterways
Waste Disposal: Coordinate with specialized chemical disposal services, Incineration in accordance with local regulations recommended
Container Handling: Empty containers may retain residues, Dispose containers and packaging in line with legal guidance
Environmental Precautions: Prevent contamination of water bodies, Do not reuse empty containers or return them for food or drink storage
UN Number: Not classified as dangerous, No UN number assigned
Transport Hazard Class: Not regulated for transport by road, rail, sea, or air
Packing Group: Not applicable
Special Precautions: Keep container upright and secure, Avoid exposure to temperature extremes during transit
Environmental Hazards: Not designated as a marine pollutant under IMDG, Still advisable to avoid accidental release during transportation
Regulatory Status: Subject to chemical inventory requirements under various country regulations, Complies with TSCA, REACH, and similar regional lists
Hazard Symbols: GHS07 (exclamation mark, indicative of irritant or harmful chemicals)
REACH Registration: Pre-registered, Existing chemical under EU guidelines
Workplace Classification: Classified for occupational hazard labeling, Safety Data Sheets must be available at workplace
Additional Regulations: Complies with transport and workplace safety rules, Guidance for use, storage, and disposal provided by supplier and authorized distributors
