Calcium Drier

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Calcium Drier is a metal-based drying agent primarily composed of calcium salts of fatty acids (commonly calcium octoate or calcium linoleate), widely used as a siccative in paints, varnishes, inks, and coatings. It functions as a catalyst to accelerate the oxidative cross-linking and polymerization of drying oils, leading to faster drying times and improved film hardness and durability. Calcium Driers are valued for their good compatibility with other driers, low toxicity, and efficient catalytic activity at low concentrations. They are commonly used alone or in combination with other metal driers such as cobalt or manganese driers for optimized drying performance.

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Category: Driers Tags: Automotive paint drying, Calcium drier, Calcium salt drier, Drying catalyst, Industrial coatings accelerator, Oil-based paints drier, Paints and coatings industry

Description

Table of Contents

Calcium Drier

Primary Uses

Paints & Coatings

Used as a siccative agent in alkyd resin-based paints, varnishes, and enamels to speed up drying and curing.
Enhances film formation, hardness, and gloss of the final coating.
Works synergistically with other metallic driers like cobalt and manganese to optimize drying kinetics.

Printing Inks

Applied in oil-based and alkyd printing inks to improve drying rates and reduce tackiness.
Facilitates better adhesion and faster handling in printing processes.

Wood Finishes & Stains

Incorporated in wood varnishes and stains to promote faster drying and durable finishes.

Secondary Uses

Industrial Applications

Utilized in manufacturing of certain adhesives and sealants where drying oils are components.
Used in automotive and marine coatings for improved curing.

Art Supplies

Added to artist oil paints to accelerate drying without affecting color quality.

KEY PRODUCT FEATURES

1. Basic Identification Attributes

Chemical Name (IUPAC): Calcium octanoate (typical) or calcium salts of fatty acids
Common/Trade Name: Calcium Drier, Calcium Octoate Drier, Calcium Drying Agent
CAS Number: Variable, e.g., Calcium octanoate (1592-23-0)
HS Code: 3811.90.00
Molecular Formula: Dependent on fatty acid, e.g., C16H30CaO4 (Calcium octanoate)
Synonyms:
- Calcium Octoate
- Calcium Fatty Acid Salt
- Calcium Drying Agent
- Calcium-based Siccative

2. Physical & Chemical Properties

Physical State: Viscous liquid or solid (depending on specific formulation)
Color & Odor: Pale yellow to amber; mild fatty odor
Melting Point: Typically 140–150°C (for solid forms)
Boiling Point: Decomposes before boiling
Density: Approx. 1.0–1.2 g/cm³ (liquid form)
Solubility: Insoluble in water; soluble in organic solvents and oils
pH: Neutral to slightly alkaline
Stability: Stable under normal storage; sensitive to moisture

3. Safety & Hazard Attributes

Hazard Class (GHS): Not classified as hazardous; mild irritant potential
NFPA Ratings:
- Health: 1
- Flammability: 1
- Reactivity: 0
Exposure Limits: No specific OSHA/ACGIH limits; avoid inhalation of aerosols or dust
Toxicity: Low acute toxicity; may cause mild skin or eye irritation
Reactivity: Stable; avoid strong acids and oxidizers

4. Storage & Handling Attributes

Storage Conditions: Store in a cool, dry, well-ventilated area away from moisture and heat
Container Type: Sealed metal or plastic drums or containers resistant to fatty acids
Shelf Life: Typically 1–3 years under proper storage conditions
Special Handling: Use PPE to avoid skin and eye contact; prevent inhalation of mist or dust

5. Regulatory & Compliance Attributes

FDA Status: Not applicable (industrial chemical)
Transportation: Not classified as hazardous for transport
Waste Disposal: Dispose in accordance with local environmental regulations

6. Environmental & Health Impact

Ecotoxicity: Low environmental hazard but avoid release to waterways
Persistence: Biodegradable under aerobic conditions
Bioaccumulation: Not expected to bioaccumulate
Carcinogenicity/Mutagenicity: Not classified as carcinogenic or mutagenic
Biodegradability: Readily biodegradable

SAFETY HANDLING PRECAUTIONS

Safety Handling Precautions

Personal Protective Equipment (PPE):

Gloves
Safety goggles
Protective clothing

Handling Measures:

Avoid skin and eye contact
Prevent inhalation of vapors or mist
Work in well-ventilated area

Storage Measures:

Keep containers tightly closed
Protect from moisture and heat

Hygiene Practices:

Wash hands after handling
Do not eat, drink, or smoke when handling

First Aid Measures

Inhalation: Move to fresh air; seek medical attention if respiratory irritation occurs
Skin Contact: Wash with soap and water; seek medical advice if irritation develops
Eye Contact: Rinse with plenty of water for at least 15 minutes; seek medical advice if irritation persists
Ingestion: Rinse mouth; seek medical attention if large quantities ingested

Firefighting Measures

Fire Hazards: Combustible; emits toxic fumes when burned
Extinguishing Media: Use foam, dry chemical, CO₂, or water spray
Special Precautions: Firefighters should wear full protective gear and self-contained breathing apparatus (SCBA)
Decomposition Products: May release carbon monoxide, carbon dioxide, and metal oxides under fire conditions