ARCONATE HP

CAS Number: Not publicly assigned (proprietary product; the chemical class is cyclic carbonates, typically propylene carbonate derivatives)
 Synonyms: Cyclic carbonate (high purity); Alkylene carbonate (high purity); Propylene carbonate derivative (high purity); Reactive diluent; Arconate brand high-purity cyclic carbonate
Chemical Identity and Properties:
 Arconate HP is a specialty chemical identified as a high-purity cyclic carbonate. Based on its commercial positioning and technical literature, it is most likely a high-grade propylene carbonate (CAS 108-32-7) or a closely related cyclic carbonate with enhanced purity characteristics. Cyclic carbonates are characterized by a five-membered ring structure containing a carbonate group (-O-C(O)-O-). Arconate HP is a colorless to pale yellow liquid with low volatility, a high boiling point (typically >240°C), and excellent solvency properties. It is hygroscopic and miscible with a wide range of organic solvents and water.
Purity Characteristics:
 The "HP" designation signifies high purity, typically characterized by:
Low water content (<0.05%)
Low residual alcohol content
Low chloride and ionic impurity levels
Controlled color (APHA <50)
Minimal oligomer or byproduct content
These purity attributes are critical for applications requiring consistent reactivity, minimal side reactions, and high final product quality.
Reactivity and Function:
 Arconate HP functions as a reactive diluent in isocyanate-containing systems. Its primary chemical reaction is with isocyanate groups (-NCO) to form carbamates (urethane linkages). This reaction occurs under mild conditions, often catalyzed by tertiary amines or organometallic catalysts. In polyurethane formulations, it participates in the curing process rather than simply evaporating or remaining as an inert diluent.
Applications:
Adhesives and Sealants: Used to reduce viscosity in polyurethane and epoxy adhesive formulations, enabling easier application, better substrate wetting, and improved bubble release. The reactive nature ensures that the diluent becomes chemically incorporated into the final polymer network, eliminating issues with plasticizer migration or volatility.
Coatings: Employed in high-solids and solvent-free coating systems to achieve low VOC (volatile organic compound) formulations while maintaining workable viscosity and film formation properties.
Encapsulants and Potting Compounds: Used in electronic encapsulation to achieve lower viscosity for complete component coverage without compromising mechanical or dielectric properties after cure.
Polyurethane Elastomers and Foams: Serves as a reactive processing aid in cast elastomers, flexible foams, and rigid foams where viscosity reduction is required.
Transesterification Reactions: Acts as a reactant in the synthesis of higher-value specialty chemicals through transesterification with alcohols and other nucleophiles.
Handling and Storage:
 Arconate HP is hygroscopic and should be stored in tightly sealed containers to prevent moisture absorption, which can lead to hydrolysis and the formation of carbon dioxide and glycols. It is compatible with most metals but should be stored away from strong acids, bases, and oxidizing agents. Standard industrial hygiene practices including the use of gloves and eye protection are recommended.
 
Physical Properties:
 The high purity of the Arconate HP grade ensures specific performance characteristics:
Appearance: Colorless liquid 
Boiling Point: 242.0 °C 
Melting Point: -48.8 °C 
Flash Point: 116 °C 
Density: 1.2047 g/cm³ 
Vapor Pressure: 0.04 mmHg 
Refractive Index: 1.4189 
Dielectric Constant: 64 (high relative permittivity) 
Dipole Moment: 4.9 D 
Key Benefits:
Excellent performance in various applications 
Favorable safety, health, and environmental profile 
VOC-free clear polar solvent with high boiling and flash points 
Low order of toxicity and mild odor 
Biodegradable and economical for large-scale use 
Non-corrosive and stable under most conditions 
Detailed Applications:
Adhesives: Used as a reactive diluent to reduce cost and improve handling in isocyanate (PMDI) and urethane adhesives. It reacts with amines to form carbamates .
Lithium Batteries: Due to its high dielectric constant (64), it is frequently used as a high-permittivity component of electrolytes in lithium batteries, typically combined with a low-viscosity solvent like dimethoxyethane to create a conductive electrolyte .
Coatings & Paints: Serves as a high-boiling solvent and film-forming auxiliary, particularly in poly(vinyl fluoride) and poly(vinylidene fluoride) systems. It acts as a viscosity reducer in coatings .
Cleaning: Effective as a polyurethane and polymer/resin cleaner, for cleaning stereolithographic parts, and as an ink cleaner. It is also used as a solvent for removing CO₂ from natural gas .
Cosmetics: Used in personal care products, primarily in the formulation of make-up (lipstick, eye shadow, mascara), skin cleansing products, hair conditioners, and antiperspirants .
Textiles: Employed as a textile dye carrier, cleaner, synthetic fiber additive, and dispersant for water-soluble dye pigments .
Electronics: Functions as an effective circuit board and electronic cleaner .
Foundry: Used as a binder for foundry sand molds .
Organic Synthesis: Acts as a polar, aprotic solvent for various chemical transformations and as an intermediate in Grignard reactions to create tertiary alcohols .

SAFETY INFORMATION ABOUT ARCONATE HP

First aid measures:
Description of first aid measures:
General advice:
Consult a physician. 
Show this safety data sheet to the doctor in attendance.
Move out of dangerous area:
 
If inhaled:
If breathed in, move person into fresh air. 
If not breathing, give artificial respiration.
Consult a physician.
In case of skin contact:
Take off contaminated clothing and shoes immediately. 
Wash off with soap and plenty of water.
Consult a physician.
 
In case of eye contact:
Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
Continue rinsing eyes during transport to hospital.
 
If swallowed:
Do NOT induce vomiting. 
Never give anything by mouth to an unconscious person. 
Rinse mouth with water. 
Consult a physician.
 
Firefighting measures:
Extinguishing media:
Suitable extinguishing media:
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special hazards arising from the substance or mixture
Carbon oxides, Nitrogen oxides (NOx), Hydrogen chloride gas
 
Advice for firefighters:
Wear self-contained breathing apparatus for firefighting if necessary.
Accidental release measures:
Personal precautions, protective equipment and emergency procedures
Use personal protective equipment. 
 
Avoid breathing vapours, mist or gas. 
Evacuate personnel to safe areas.
 
Environmental precautions:
Prevent further leakage or spillage if safe to do so.
Do not let product enter drains.
Discharge into the environment must be avoided.
 
Methods and materials for containment and cleaning up:
Soak up with inert absorbent material and dispose of as hazardous waste. 
Keep in suitable, closed containers for disposal.
 
Handling and storage:
Precautions for safe handling:
Avoid inhalation of vapour or mist.
 
Conditions for safe storage, including any incompatibilities:
Keep container tightly closed in a dry and well-ventilated place. 
Containers which are opened must be carefully resealed and kept upright to prevent leakage.
Storage class (TRGS 510): 8A: Combustible, corrosive hazardous materials
 
Exposure controls/personal protection:
Control parameters:
Components with workplace control parameters
Contains no substances with occupational exposure limit values.
Exposure controls:
Appropriate engineering controls:
Handle in accordance with good industrial hygiene and safety practice.
Wash hands before breaks and at the end of workday.
 
Personal protective equipment:
Eye/face protection:
Tightly fitting safety goggles. 
Faceshield (8-inch minimum). 
Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
 
Skin protection:
Handle with gloves. 
Gloves must be inspected prior to use. 
Use proper glove
removal technique (without touching glove's outer surface) to avoid skin contact with this product. 
Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. 
Wash and dry hands.
 
Full contact:
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested:Dermatril (KCL 740 / Aldrich Z677272, Size M)
Splash contact
Material: Nitrile rubber
Minimum layer thickness: 0.11 mm
Break through time: 480 min
Material tested:Dermatril (KCL 740 / Aldrich Z677272, Size M)
It should not be construed as offering an approval for any specific use scenario.
 
Body Protection:
Complete suit protecting against chemicals, The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection:
Where risk assessment shows air-purifying respirators are appropriate use a fullface respirator with multi-purpose combination (US) or type ABEK (EN 14387) respirator cartridges as a backup to engineering controls. 
 
If the respirator is the sole means of protection, use a full-face supplied air respirator. 
Use respirators and components tested and approved under appropriate government standards such as NIOSH (US) or CEN (EU).
Control of environmental exposure
Prevent further leakage or spillage if safe to do so. 
Do not let product enter drains.
Discharge into the environment must be avoided.
 
Stability and reactivity:
Chemical stability:
Stable under recommended storage conditions.
Incompatible materials:
Strong oxidizing agents:
Hazardous decomposition products:
Hazardous decomposition products formed under fire conditions. 
Carbon oxides, Nitrogen oxides (NOx), Hydrogen chloride gas.
 
Disposal considerations:
Waste treatment methods:
Product:
Offer surplus and non-recyclable solutions to a licensed disposal company. 
Contact a licensed professional waste disposal service to dispose of this material.
Contaminated packaging:
Dispose of as unused product