Comprehensive Guide to Castor Oil & Advanced Derivatives

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Manufactured & Exported by Nova Industries

At Nova Industries, we specialize in the manufacturing and global exportation of high-grade Castor Oil and its complex chemical derivatives. As a vertically integrated manufacturer, we bridge the gap between raw agriculture and advanced chemical engineering, delivering precision-formulated solutions for the pharmaceutical, lubricant, polymer, and cosmetic industries.

The castor bean (Ricinus communis) produces a unique vegetable oil containing approximately 90% Ricinoleic Acid. This unique fatty acid structure—featuring a hydroxyl group on the 12th carbon and a double bond on the 9th carbon—allows for versatile chemical modifications, making it one of the most critical renewable resources in green chemistry.

Below is a detailed technical overview of the product portfolio manufactured by Nova Industries.

1. Prime & Refined Castor Oil Grades

Nova Industries processes raw castor seeds through rigorous crushing, solvent extraction, and refining methodologies to produce specific grades for diverse applications.

Commercial Grade Castor Oil

This is the standard industrial grade obtained from a mixture of the first pressing and the solvent extraction phase.

  • Technical Profile: Characterized by a slightly higher Free Fatty Acid (FFA) content and moisture level compared to refined grades.
  • Applications: Primarily used as a feedstock for manufacturing derivatives (like HCO and Sebacic Acid), industrial lubricants, and sulfonated oils.

First Special Grade (FSG) Castor Oil

FSG is the industry-standard high-quality refined oil, produced by bleaching and filtering Commercial Grade oil to remove impurities, gums, and color bodies.

  • Technical Profile: Low moisture (<0.25%), low Acid Value, and high hydroxyl functionality.
  • Applications: Polyols for polyurethanes, hydraulic fluids, and dielectric fluids for capacitors.

Pale Pressed & Extra Pale Grade

A premium product category produced exclusively from the first pressing of the castor seed without chemical solvents.

  • Technical Profile: Exceptionally light color (Gardner scale <2) and low acidity.
  • Applications: High-end coatings, transparent adhesives, and cosmetic formulations where color stability is critical.

Pharmaceutical Grades (BP / USP / Eur. Ph.)

Nova Industries manufactures these grades under strict GMP (Good Manufacturing Practice) conditions. These oils undergo neutralization, bleaching, and deodorization to meet specific pharmacopoeial standards (British, United States, and European).

  • Technical Profile: Zero toxic substances, specific optical rotation, and absolute purity.
  • Applications: Excipients in drug delivery, emulsifiers for medicinal formulations, and skin care treatments.

2. Hydrogenated & Modified Derivatives

By manipulating the chemical structure of castor oil, Nova Industries creates derivatives with altered melting points, solubilities, and reactivities.

Hydrogenated Castor Oil (HCO / Castor Wax)

Produced by the controlled hydrogenation of castor oil in the presence of a nickel catalyst. This process saturates the double bonds, converting the liquid oil into a hard, brittle, high-melting-point wax.

  • Chemical Structure: Glyceride of 12-Hydroxystearic Acid.
  • Properties: Insoluble in water and most organic solvents; high melting point (85°C – 88°C).
  • Applications: Rheology modifier in paints/sealants, thickener, and release agent in plastics processing.

12-Hydroxy Stearic Acid (12-HSA)

A saturated fatty acid derived from the hydrolysis of Hydrogenated Castor Oil.

  • Technical Significance: 12-HSA is the critical hardener used in the manufacturing of Lithium and Calcium-based greases. The hydroxyl group allows for strong hydrogen bonding, creating a stable gel structure in lubricants.
  • Applications: Automotive greases, cosmetics (gelling agent), and hot-melt adhesives.

Dehydrated Castor Oil (DCO)

Produced by catalytic dehydration at high temperatures (~250°C) under vacuum. This process removes the hydroxyl group and creates a conjugated double bond system.

  • Properties: DCO is a “drying oil,” unlike raw castor oil. It possesses excellent polymerization properties.
  • Applications: Alkyd resins, varnishes, white epoxy coatings, and ink binders.

Blown (Oxidized) Castor Oil

Manufactured by blowing air or oxygen through castor oil at controlled temperatures (80°C – 130°C). This oxidative polymerization increases the viscosity and specific gravity.

  • Properties: Non-drying, high-viscosity, excellent plasticizing ability.
  • Applications: Plasticizer for lacquers and artificial leather, pigment grinding medium, and hydraulic fluids.

Sulfated Castor Oil (Turkey Red Oil)

The first synthetic detergent, produced by reacting castor oil with concentrated sulfuric acid (sulfonation), followed by neutralization.

  • Properties: Completely water-soluble (emulsifiable).
  • Applications: Textile dyeing assistant, leveling agent, and essential oil emulsifier.

Ethoxylated Castor Oil

A non-ionic surfactant produced by reacting castor oil with Ethylene Oxide (typically 35 moles).

  • Properties: Amphiphilic nature allows it to solubilize hydrophobic substances in water.
  • Applications: Emulsifier for pesticides, solubilizer for perfumes, and industrial cleaning formulations.

3. Chemical Cleavage Derivatives (The “Cracking” Products)

Nova Industries utilizes high-temperature caustic fusion and pyrolysis to cleave the castor molecule into varying carbon chain lengths (C-7, C-10, C-11, C-18).

Sebacic Acid (C-10 Dicarboxylic Acid)

Produced via the caustic fusion of castor oil at high temperatures.

  • Chemical Nature: A linear C-10 dicarboxylic acid available as white flakes or powder.
  • Technical Importance: It provides superior flexibility, low-temperature impact resistance, and hydrolytic stability.
  • Applications: The primary raw material for Nylon 6-10 and Nylon 10-10 (High-Performance Polyamides), bio-plastics, and plasticizers (DOS/DBS).

2-Octanol (Capryl Alcohol)

A major co-product generated during the manufacturing of Sebacic Acid.

  • Properties: A monohydric, C-8 secondary alcohol with a high boiling point and low volatility.
  • Applications: Intermediate for plasticizers, synthesis of esters used in perfumes, and solvent for lacquers.

Ricinoleic Acid (C-18)

The isolated fatty acid obtained by the hydrolysis of castor oil.

  • Chemical Structure: 12-hydroxy-9-cis-octadecenoic acid.
  • Applications: Metalworking fluids, dispersion agents for pigments, and synthesis of complex esters (Polyglycerol Polyricinoleate – PGPR).

Undecylenic Acid (C-11)

Derived via the pyrolysis (thermal cracking) of Ricinoleic Acid.

  • Properties: An unsaturated fatty acid with antifungal properties.
  • Applications: Pharmaceutical antifungals, synthesis of Nylon-11 (Rilsan), and aromatic chemicals (musk bases).

Heptaldehyde & Heptanoic Acid (C-7)

Produced during the pyrolysis of castor oil (cleavage of the ricinoleic molecule).

  • Heptaldehyde: Key intermediate for jasmine-type fragrances and alpha-amyl cinnamaldehyde (ACA).
  • Heptanoic Acid: Used to manufacture esters for synthetic lubricants used in aviation and refrigeration.

4. Co-Products & Agricultural Inputs

Castor Seed Meal (Residue)

The solid residue remaining after oil extraction. Nova Industries processes this into a high-grade organic fertilizer.

  • Benefits: High in Nitrogen, Phosphorus, and Potassium (NPK). It acts as a natural soil conditioner and creates protection against soil nematodes.

Refined Glycerine

A by-product of the transesterification or hydrolysis process.

  • Grade: USP/Technical.
  • Applications: Humectant in cosmetics, antifreeze applications, and chemical intermediate.

Partner with Nova Industries

As a dedicated manufacturer, Nova Industries ensures that every batch of Castor Oil and its derivatives meets stringent international quality standards. From high-precision lubricants to pharmaceutical excipients, our chemical engineering expertise supports industries worldwide.

Contact Us for Technical Data Sheets (TDS) and Commercial Inquiries:Website:
Nova Industries Website: https://novaind.in/

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