Product Name: 2,2-Dimethyl Propane Diol-1,3-Cyclic Ester
Synonyms: Neopentyl Glycol Cyclic Ester
CAS Number: 5187-23-5
Recommended Use: Intermediate for resins, coatings, plasticizers, adhesives
Manufacturer Contact: [Company name, Address, Emergency phone number]
Emergency Overview: Colorless to pale yellow liquid, mild odor, not volatile under ambient temperature
GHS Classification: Eye Irritant (Category 2), Skin Irritant (Category 2), Specific Target Organ Toxicity – Single Exposure (Category 3, respiratory)
Signal Word: Warning
Hazard Statements: Causes serious eye and skin irritation, may cause respiratory irritation, harmful if swallowed
Pictograms: Exclamation mark
Precautionary Statements: Avoid breathing vapor, use protective gloves and eye protection, wash hands thoroughly after handling, use only outdoors or in well-ventilated area
Health Hazards: Prolonged or repeated contact could dry or crack skin, vapors may cause transient irritation to eyes, nose, or throat
Chemical Identity: 2,2-Dimethyl Propane Diol-1,3-Cyclic Ester
CAS Number: 5187-23-5
Content: ≥95%
Impurities: Remainder - low molecular weight glycols, traces of residual solvents
Other Ingredients: No significant hazardous non-classified ingredients
Inhalation: Move to fresh air, keep at rest, seek medical advice if symptoms persist
Skin Contact: Remove contaminated clothing, flush skin with water for at least 15 minutes, consult physician if irritation develops
Eye Contact: Flush with plenty of water for several minutes, seek medical attention if discomfort continues
Ingestion: Do not induce vomiting, rinse mouth, seek medical advice, never give anything by mouth to an unconscious person
Notes for Physician: Treat symptomatically, monitor for delayed effects from exposure
Suitable Extinguishing Media: Water spray, foam, dry powder, carbon dioxide
Unsuitable Media: Direct water jet may spread fire
Hazardous Combustion Products: Carbon oxides, acrolein, other unidentified compounds
Special Protective Equipment: Self-contained breathing apparatus, full protective clothing
Advice for Firefighters: Cool exposed containers with water, stay upwind, no unprotected persons in danger area
Fire and Explosion Risks: Product not highly flammable but may form hazardous decomposition products under intense heat
Personal Precautions: Wear chemical-resistant gloves, goggles, protective clothing
Environmental Precautions: Prevent product access to sewers, waterways, soil
Cleanup Methods: Contain spill using absorbent materials (sand, vermiculite), collect material in suitable containers, ventilate affected area, decontaminate with soap and water
Additional Measures: Dispose collected waste according to local regulations, notify authorities if environmental contamination occurs
Handling: Use adequate ventilation, wear personal protective equipment, avoid skin and eye contact, avoid inhaling mist or vapor, no eating or drinking in work area, wash hands after handling
Storage: Keep container tightly closed in cool, dry, well-ventilated location, protect from direct sunlight and heat sources, store away from incompatible substances (strong acids, oxidizers), maintain original packaging if possible, avoid freezing and excessive temperatures
Exposure Limits: No occupational exposure limits established for this substance
Engineering Controls: Local exhaust ventilation, safety shower, eyewash station
Personal Protective Equipment: Chemical-resistant gloves (nitrile, neoprene), safety goggles or face shield, lab coat or coveralls, respiratory protection when ventilation is inadequate
Hygiene Measures: Wash hands and face before eating and after handling, remove contaminated clothing before leaving work area, do not reuse contaminated clothing until properly cleaned
Appearance: Clear to slightly yellow liquid
Odor: Mild, faintly sweet
Melting Point: -20°C
Boiling Point: 210°C
Flash Point: 115°C (Closed cup)
Vapor Pressure: Low at room temperature
Solubility: Slightly soluble in water, miscible with many organic solvents
Density: 1.02 g/cm³ at 20°C
pH: Not applicable (neutral in water)
Viscosity: Moderate viscosity at 25°C
Chemical Stability: Stable under recommended storage conditions, light and air exposure not expected to cause rapid degradation
Reactive Hazards: Avoid strong acids, oxidizers, bases, may react with strong reducing agents
Decomposition: Produces carbon oxides and other organic compounds at elevated temperatures
Polymerization: Product does not tend to self-polymerize
Other Relevant Factors: Avoid excessive heating, incompatible materials, and contamination with moisture
Routes of Exposure: Skin and eye contact, inhalation, ingestion
Acute Effects: Causes irritation of eyes, skin, and respiratory tract, possible nausea or headache from high vapor levels
Chronic Effects: Repeated contact can dry or crack skin, long-term effects not well studied
LD50 (Oral, Rat): > 5000 mg/kg
Skin Sensitization: Not a known sensitizer
Carcinogenicity: Not considered carcinogenic by IARC, NTP, or OSHA
Other Data: No evidence of mutagenic or reproductive toxicity in available studies
Ecotoxicity: Low toxicity to fish, daphnia, and algae based on available data
Persistence and Degradability: Biodegrades slowly in natural environment, not expected to bioaccumulate
Mobility in Soil: Limited mobility due to low water solubility
Aquatic Effects: Minor hazard in large spills, avoid release to surface water
Other Environmental Hazards: Product not classified as hazardous to the aquatic environment under current regulations
Waste Disposal: Dispose of as hazardous chemical waste at approved facility, do not discharge to drains or environment
Container Disposal: Empty containers should be thoroughly rinsed and offered for recycling or proper disposal
Regulations: Dispose according to local, regional, and national regulations governing hazardous chemical waste
Special Instructions: Prevent chemical and residue release to natural water bodies and soil
UN Number: Not regulated under ADR/RID, IMDG, or ICAO/IATA
Proper Shipping Name: Not classified as dangerous goods
Hazard Class: N/A
Packing Group: N/A
Environmental Risks: No marine pollutant designation
Transport Precautions: Keep container sealed, avoid spillage during transit, handle in accordance with safety requirements
TSCA Status: Listed in US Toxic Substances Control Act Inventory
REACH Status: Registered or pre-registered in the European Union
SARA Title III: Not classified under Sections 302, 304, 311, or 312
OSHA Status: Not listed as a hazardous chemical
Other Regulations: Follow requirements for chemicals under local and international guidelines, ensure compliance with employee safety and environmental ordinances
Labeling Requirements: Follow GHS and local standards for labeling and safety data sheets
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