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Manganese Octate Drier

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Manganese Octate Drier is a metal-organic compound commonly used as an oxidative catalyst in alkyd and oil-based coating systems. It is a manganese salt of 2-ethylhexanoic acid (octanoic acid) dissolved in a compatible organic solvent, typically white spirit or hydrocarbon thinner. At a 10% metal concentration, this drier functions as a primary oxidative (surface) drier, accelerating the polymerization and hardening of unsaturated oils and alkyd resins upon exposure to air. It exhibits a dark brown to violet color, has low viscosity, and is highly effective in small doses.

Description

Manganese Octate Drier

Primary Uses 

  1. Paints & Coatings Industry 
  • Surface Drier for Alkyd Paints: Promotes surface drying and oxidation in alkyd, oil-based, and long-oil varnishes.
  • Catalyst in Air-Drying Systems: Functions as a key catalyst in oxidative curing systems by activating oxygen crosslinking.
  • Drying Accelerator for Decorative & Industrial Paints: Enhances surface drying speed without compromising film integrity.
  • Wood Coatings and Primers: Used in oil-based primers and topcoats for furniture, joinery, and flooring.
  • Printing Inks: Included in oil-based printing ink formulations to aid in rapid film formation on substrates.
  1. Construction Chemicals 
  • Concrete Curing Compounds: Occasionally added to solvent-based curing compounds to enhance film hardening on concrete surfaces.
  • Protective Coatings for Steel and Metal: Facilitates rapid skin formation in anticorrosive alkyd-based systems.
  1. Wood Treatment & Furniture Finishes 
  • Oil Finishes and Sealers: Promotes curing of natural oil treatments such as linseed or tung oil used on furniture and wood products.
  • Floor Finishes: Enables faster tack-free time for oil-based floor coatings and varnishes.
  1. Marine & Protective Coatings 
  • Boat & Ship Paints: Used in marine alkyd coatings to support fast drying in humid coastal conditions.
  • Protective Industrial Paints: Enhances drying speed in high-performance anticorrosive systems.

 

Secondary Uses

  1. Printing Industry 
  • Ink Drier for Lithographic Inks: Used in specific formulations of oil-based lithographic inks to accelerate drying on paper and board.
  1. Art & Restoration 
  • Artist Oil Paint Mediums: Occasionally used in artists’ oil mediums to quicken drying without altering paint consistency.
  • Restoration Materials: Applied in conservation and restoration of oil paintings and wooden art pieces treated with drying oils.
  1. Lubricants and Greases 
  • Metal Catalyst in Specialty Lubes: May serve a catalytic role in specific synthetic lubricant curing processes.
PRODUCT KEY FEATURES
  1. Basic Identification Attributes
  • Chemical Name (IUPAC): Manganese(II) 2-ethylhexanoate
  • Common/Trade Name: Manganese Octoate; Manganese Drier 10%
  • CAS Number: 1338-43-8 (general for manganese carboxylates)
  • HS Code: 3206.11.00
  • Synonyms: Manganese(II) neodecanoate; Manganese soap; Manganese salt of octanoic acid; Manganese carboxylate solution

 

  1. Physical & Chemical Properties
  • Physical State: Liquid
  • Color & Odor: Brown to dark violet; mild solvent-like odor
  • Metal Content: 10% Mn (by weight)
  • Solvent Carrier: White spirit or aliphatic hydrocarbons
  • Viscosity: Low to medium
  • Density: ~1.02 – 1.10 g/cm³
  • Flash Point: >40 °C (depends on solvent type)
  • Solubility: Insoluble in water; soluble in organic solvents and alkyd resins
  • Compatibility: Compatible with most other driers and resin systems (avoid overuse to prevent surface wrinkling)

 

  1. Safety & Hazard Attributes
  • GHS Classification:
    • Flammable liquid (Category 3)
    • Harmful if inhaled or swallowed
    • May cause skin and eye irritation
  • Toxicity:
    • Toxic if ingested in large quantities; avoid inhalation of vapors
    • Prolonged exposure may affect the central nervous system
  • Exposure Limits:
    • OSHA PEL (Manganese, fume): 5 mg/m³
    • ACGIH TLV: 0.02 mg/m³ (respirable)
  • Environmental Hazard: Toxic to aquatic life with long-lasting effects

 

  1. Storage & Handling Attributes
  • Storage Conditions:
    • Store in a cool, dry, well-ventilated area away from direct sunlight and ignition sources
    • Keep containers tightly closed
  • Container Type:
    • Steel or plastic drums with solvent-resistant lining
  • Shelf Life:
    • Up to 12–18 months under optimal storage conditions
  • Handling Precautions:
    • Avoid contact with skin and eyes
    • Prevent spillage and environmental release
    • Ensure adequate ventilation

 

  1. Regulatory & Compliance Attributes
  • Chemical Inventory Status: Listed in TSCA, REACH, DSL
  • VOC Content: Subject to local VOC regulations depending on solvent used
  • Labeling: Must comply with GHS and transport hazard labeling
  • Paint & Coating Regulations: Compliant for industrial use; not for food-contact applications

 

  1. Environmental & Health Impact
  • Biodegradability: Carrier solvent partially biodegradable; manganese salt is persistent
  • Ecotoxicity: Harmful to aquatic organisms; avoid environmental discharge
  • Bioaccumulation: Not expected to bioaccumulate significantly
  • Carcinogenicity/Mutagenicity: Not classified as carcinogenic under GHS; handle with caution
SAFETY HANDLING PRECAUTIONS
  1. Safety Handling Precautions
  • PPE Required:
    • Chemical-resistant gloves
    • Safety goggles
    • Protective clothing
    • Respiratory protection if used in poorly ventilated areas
  • Handling Guidelines:
    • Use explosion-proof equipment
    • Avoid inhaling vapors or mist
  • Storage Measures:
    • Ground and bond containers when transferring
    • Keep away from oxidizers, acids, and open flames

 

  1. First Aid Measures
  • Inhalation: Remove to fresh air; seek medical help if breathing is difficult
  • Skin Contact: Wash with soap and water; remove contaminated clothing
  • Eye Contact: Rinse thoroughly with water for at least 15 minutes; seek medical attention
  • Ingestion: Do not induce vomiting; rinse mouth and get medical assistance immediately

 

  1. Firefighting Measures
  • Fire Hazards: Flammable due to solvent content; vapors may form explosive mixtures with air
  • Extinguishing Media: Foam, dry chemical powder, or carbon dioxide
  • Special Precautions: Use self-contained breathing apparatus and flame-resistant protective gear
  • Hazardous Combustion Products: Carbon monoxide, carbon dioxide, and manganese oxides