Shellac CAS 9000-59-3

Shellac is a natural resin secreted by the lac insect, used for its glossy, protective, and adhesive properties in coatings, food, and pharmaceuticals.

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Shellac CAS 9000-59-3

CAS: 9000-59-3
Molecular Formula: /
Molecular Weight: /
EINECS: 232-549-9
HS Code: 1301900190
Synonyms: Shellac Flake; (5ξ,10β)-10,14-Dihydroxycedr-8-ene-12,15-dioic acid - 9,10,15-trihydroxypentadecanoic acid (1:1); SHELLAC GUM, ORANGE; SHELLAC ORANGE; Shellac; SHELLAC WAX-FREE, PH EUR; SHELLAC ORANGE BEST QUALITY; Schellack

What is Shellac CAS 9000-59-3?

Shellac CAS 9000-59-3 is a brittle, amber-to-yellow resin derived from the secretions of the female lac insect (Kerria lacca), primarily found in India and Thailand, harvested from tree branches and refined into flakes or liquid form. Composed mainly of polyhydroxy acids, esters, and waxes, it has been used for centuries as a versatile, natural polymer. Its biocompatibility, film-forming ability, and solubility in alcohol make it valuable across industries, though it is sensitive to moisture and high pH environments.

Specifications

Property	Value
Melting Point	115-120°
Density	1.035-1.140
Color	Variety of colors ranging from light yellow to dark red
Form	Solid
Stability	Stable. Incompatible with strong oxidizing agents.
Solubility	Practically insoluble in water, gives a more or less opalescent solution (wax containing shellac and bleached shellac) or a clear solution (dewaxed shellac and bleached, dewaxed shellac) in anhydrous ethanol. When warmed, it is sparingly soluble or soluble in alkaline solutions.
Storage Temperature	2-8°C

Features

Natural and Biodegradable: Sourced from renewable lac insect secretions, it is eco-friendly and breaks down naturally.
Film-Forming: Creates a hard, glossy, and durable coating when dried, ideal for protective finishes.
Solubility: Soluble in alcohol and alkaline solutions but insoluble in water, enabling versatile application methods.
Adhesive Properties: Strongly adheres to various surfaces, enhancing its use in coatings and binders.
Biocompatible: Safe for food and pharmaceutical applications, approved as a food additive (E904).
Heat and Chemical Sensitivity: Softens at moderate temperatures (around 60–80°C) and degrades in high pH or prolonged moisture exposure.

Applications

Woodworking and Furniture: Used as a traditional wood finish (French polish) for a glossy, protective coating on furniture and musical instruments.
Food Industry: Applied as a glazing agent for candies, chocolates, and fruits to enhance shine and preserve freshness.
Pharmaceuticals: Employed as an enteric coating for pills and tablets to control drug release and protect against stomach acid.
Cosmetics: Used in nail polishes, hair sprays, and makeup for its glossy finish and binding properties.
Industrial: Serves as a binder in inks, adhesives, and electrical insulators, and as a coating for paper and textiles.
Art and Restoration: Utilized in conservation work for sealing and protecting paintings, sculptures, and artifacts.

Packaging

Mikem offers flexible packaging options, including 25 kg of fiber drums for liquid products and 15–25 kg PP/PE bags for powder products, all customizable to meet your specific needs.

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