BENTONE 34

BENTONE 34 is an organoclay rheology modifier used to improve viscosity, suspension, and thixotropic performance in organic-based formulations.
BENTONE 34 helps prevent pigment and filler settling while improving sag resistance, storage stability, and application control in coatings, inks, adhesives, and sealants.
BENTONE 34 provides reliable thickening and anti-settling performance, making it suitable for paints, primers, industrial finishes, greases, and other solvent-based systems.

CAS Number: 68953-58-2
EC Number: 273-219-4

Synonyms: Organoclay, Organophilic bentonite, Organically modified bentonite, Modified bentonite, Quaternary ammonium bentonite, Bentonite organoclay, Organophilic clay, Rheological additive, Rheology modifier, Thixotropic additive, Thickening additive, Anti-settling agent, Suspension aid, Gelling agent, Viscosity control additive

BENTONE 34 is an organic derivative of a bentonite clay.
BENTONE 34 is designed for low to intermediate polarity organic systems. 

BENTONE 34 is a moderate temperature performance bentonite based organoclay.
BENTONE 34 rheological additive is a modified bentonite organoclay for low to medium polarity aliphatic and aromatic solventborne paint and coating systems.

BENTONE 34 as a rheological additive designed for low to intermediate polarity organic systems.
BENTONE 34 is an organic derivative of a bentonite clay.

BENTONE 34 prevents pigment settling during storage and syneresis in thixotropic systems.
BENTONE 34 improves flow and leveling and controls sagging on vertical surfaces and penetration on porous substrates.

BENTONE 34 increases viscosity and provides thixotropy.
BENTONE 34 is used for anti-corrosive paints, automotive finishes, coil coating systems, dip coatings and industrial finishes.

BENTONE 34 is also used in interior and exterior house paints including do-it-yourself paints, paint stripper pastes, printing inks, refinishes for household appliances and road marking paints.
Recommended dosage level is 0.2-0.5% for house and industrial paints, 0.5-1% for primer and 0.2-0.3 for aqueous systems.
BENTONE 34 has a shelf life of 4 years.

BENTONE 34 designed for low to intermediate polarity organic systems.
BENTONE 34 is used in anti-corrosive paints, automotive finishes, bituminous compositions, dip coatings and refinishes for household appliances.

BENTONE 34 is ideal for high-build systems, industrial finishes, interior & exterior house- & do-it-yourself paints, knifing fillers, paint stripper pastes, plastisols, primers, undercoats, fillers and printing inks.
BENTONE 34 is suitable for putty & caulking compounds & road marking paints and highly recommended for decorative long-oil alkyds, marine protective-, plastic-, wood-, asphalt- and roof coatings.

BENTONE 34 is recommended for can-, car OEM- and coil coatings.
BENTONE 34 is an organic derivative of a bentonite clay.

Uses of BENTONE 34:
BENTONE 34 is used as a rheological additive and organoclay thickener in low to intermediate polarity organic systems.
BENTONE 34 is commonly applied in paints, coatings, inks, adhesives, sealants, greases, primers, undercoats, fillers, plastisols, bituminous compositions, and industrial finishes.

BENTONE 34 helps increase viscosity, improve thixotropy, prevent sagging, and provide anti-settling properties.
BENTONE 34 supports the stable suspension of pigments, fillers, and other solid particles during storage and application.
In coating and ink formulations, BENTONE 34 improves flow control, leveling, storage stability, and application performance.

Benefits of BENTONE 34:
BENTONE 34 increases viscosity and provides thixotropy.
BENTONE 34 prevents pigment settling during storage and syneresis in thixotropic systems.

BENTONE 34 improves flow and leveling.
BENTONE 34 controls sagging on vertical surfaces and penetration on porous substrates 

Key Properties of BENTONE 34:
BENTONE 34 increases viscosity.
BENTONE 34 provides thixotropy.

BENTONE 34 prevents pigment settling during storage.
BENTONE 34 improves flow and leveling.

BENTONE 34 controls sagging on vertical surfaces and It penetration on porous substrates.
BENTONE 34 prevents syneresis in thixotropic systems.

Stability and Reactivity of BENTONE 34:

Chemical stability:
BENTONE 34 is stable under recommended storage and handling conditions.

Reactivity:
No dangerous reaction is known under normal conditions of use.

Conditions to avoid:
Avoid heat, flames, sparks, ignition sources, and excessive dust formation.

Incompatible materials:
Strong oxidizing agents.

Hazardous decomposition products:
Thermal decomposition or combustion may produce carbon oxides (CO, CO₂), nitrogen oxides, and hydrogen chloride gas.

Handling and Storage of BENTONE 34:

Handling:
Handle in accordance with good industrial hygiene and safety practices.
Avoid contact with skin, eyes, and clothing.

Avoid breathing dust.
Prevent dust accumulation and avoid creating airborne dust clouds.

Storage:
Store in a cool, dry, and well-ventilated area.
Keep containers tightly closed when not in use.

Storage conditions:
Keep away from heat, sparks, open flames, and other ignition sources.
Protect from moisture and contamination.

Packaging materials:
Keep in original container or suitable tightly closed industrial packaging.

Shelf life:
Stable when stored properly under recommended dry and sealed conditions.

First Aid Measures of BENTONE 34:

Inhalation:
Remove person to fresh air and keep comfortable for breathing.
If breathing difficulty or respiratory irritation persists, seek medical attention.

Skin contact:
Wash skin thoroughly with soap and water.
If irritation develops or persists, seek medical advice.

Eye contact:
Rinse cautiously with plenty of water for several minutes.
Remove contact lenses if present and easy to do.

Continue rinsing.
Seek medical attention if irritation persists.

Ingestion:
Do not induce vomiting unless directed by medical personnel.
Rinse mouth with water.
Seek medical advice if discomfort occurs.

Most important symptoms:
Dust exposure may cause mechanical irritation.
Difficulty in breathing may occur in case of excessive dust inhalation.

Firefighting Measures of BENTONE 34:

Suitable extinguishing media:
Carbon dioxide (CO₂), dry chemical powder, dry sand, alcohol-resistant foam, water spray, or fog.

Specific hazards:
Fine dust dispersed in air may form explosive mixtures in the presence of an ignition source.

Protective equipment for firefighters:
Wear self-contained breathing apparatus and full protective firefighting clothing if necessary.

Special precautions:
Avoid generating dust clouds.
Keep product and containers away from heat and ignition sources.

Accidental Release Measures of BENTONE 34:

Personal precautions:
Avoid breathing dust.
Avoid contact with skin and eyes.

Use appropriate personal protective equipment.
Keep unnecessary personnel away from the spill area.

Environmental precautions:
Prevent material from entering drains, surface water, groundwater, or waterways.

Methods for cleanup:
Avoid creating airborne dust.
Do not use compressed air for cleaning.

Collect mechanically by sweeping or vacuuming using dust-minimizing methods.
Place in suitable containers for disposal according to local regulations.

Exposure Controls / Personal Protection of BENTONE 34:

Occupational exposure limits:
No specific occupational exposure limits established for the product.
Follow applicable limits for nuisance dust or particulates where relevant.

Engineering controls:
Use adequate general ventilation.
Local exhaust ventilation is recommended where dust may be generated.

Personal protective equipment (PPE):

Respiratory protection:
Use an effective dust mask or approved respirator if airborne dust is generated or exposure limits are exceeded.

Hand protection:
Protective gloves such as nitrile, neoprene, or butyl rubber gloves are recommended.

Eye protection:
Safety glasses or protective goggles are recommended, especially in dusty environments.

Skin protection:
Wear suitable protective clothing to prevent prolonged or repeated contact.

Hygiene measures:
Wash hands thoroughly after handling.
Do not eat, drink, or smoke while using the product.
Handle in accordance with good industrial hygiene and safety practices.

Identifiers of BENTONE 34:
Product name: BENTONE 34
Chemical type: Organically modified bentonite / organoclay
Chemical description: Quaternary ammonium bentonite
CAS No.: 68953-58-2
EC No.: 273-219-4

Properties of BENTONE 34:
Density: 1.7 g/cm3
Forms: Powder, Off-White

Composition: Organic derivative of a bentonite clay
Color/ Form: Off-white to white powder
Density: 1.7 g/cm3
Moisture max.: 3%

Suitable chemical: activator % based on weight of dry product
Methanol/H2O (95/5): 33%
Propylene carbonate: 33%
Propylene carbonate/ H2O (95/5): 33%
Ethanol/ H2O (95/5): 50%
Acetone/ H2O (95/5): 60%