Arihant Solvents And Chemicals

Nitrobenzene () is a pale yellow, toxic, oily aromatic compound with an almond-like odor, mainly used to produce aniline for pharmaceuticals, dyes, and rubber. It is produced by nitrating benzene with a mixture of nitric and sulfuric acids. It is slightly soluble in water, has a boiling point of , and is highly toxic. 

Nitrobenzene is an aromatic organic compound with the chemical formula C₆H₅NO₂. It consists of a benzene ring substituted with a nitro group (–NO₂).

Basic Information

• Molecular formula: C₆H₅NO₂

• Molar mass: 123.11 g/mol

• Appearance: Pale yellow, oily liquid

• Odor: Characteristic almond-like smell (toxic—should not be inhaled)

• Boiling point: ~211 °C

• Solubility: Slightly soluble in water, soluble in organic solvents

Structure

Nitrobenzene contains:

• A six-carbon aromatic benzene ring

• A nitro functional group (–NO₂) attached to one carbon

The nitro group is strongly electron-withdrawing, which makes nitrobenzene less reactive toward electrophilic substitution compared to benzene. It directs incoming substituents to the meta position in further substitution reactions.

Preparation

Nitrobenzene is industrially prepared by nitration of benzene using a mixture of concentrated nitric acid and sulfuric acid.

Uses

• Manufacture of aniline (an important industrial chemical)

• Production of dyes, pharmaceuticals, and pesticides

• Used as a solvent in some industrial processes

• Intermediate in synthetic rubber production

Safety

Nitrobenzene is toxic and can be absorbed through the skin or inhaled. It affects the blood by converting hemoglobin to methemoglobin, reducing oxygen transport. Proper protective measures are required when handling it.

Additional Information:

• Item Code: NB-LC-99
• Production Capacity: 150000
• Delivery Time: AVAILABLE
• Packaging Details: 25 Kg / 50 Kg HDPE drum or 200 Kg steel drum

Rosin (or colophony) is a solid, brittle, and sticky resin obtained from pine tree sap (oleoresin) or wood stumps. It is widely used to create friction for stringed instrument bows, improve grip in sports (baseball, ballet), and as an ingredient in varnishes, adhesives, inks, and soldering flux. 

Rosin (also called colophony) is a natural resin obtained from pine trees or other conifers, primarily composed of abietic acid and related resin acids. It is a solid, brittle, yellowish to brown substance used in a wide range of industrial, adhesive, and chemical applications.

Key Properties:

• Chemical type: Natural resin (mixture of resin acids)

• Appearance: Solid, brittle, yellow to brown

• Odor: Characteristic resinous, pine-like smell

• Solubility: Insoluble in water; soluble in alcohol, ether, and some organic solvents

• Melting point: 70–90 °C (softens before melting)

• Acid value: Typically 160–170 mg KOH/g

Uses:

1. Adhesives & Sealants: Used in hot-melt adhesives, varnishes, and glue formulations.

2. Rubber Industry: Acts as a tackifier in tires, rubber compounds, and shoe soles.

3. Paper & Printing: Provides ink adhesion and coating properties in printing inks.

4. Soap & Cosmetics: Incorporated in soaps and ointments for hardness and texture.

5. Electronics & Soldering: Used as a flux in soldering applications.

6. Paints & Varnishes: Enhances gloss, hardness, and adhesion of paints and coatings.

Advantages:

• Natural, renewable, and biodegradable.

• Improves adhesion, tack, and durability in multiple formulations.

• Compatible with a variety of resins, polymers, and oils.

Safety Considerations:

• Can cause skin irritation or allergic reactions in sensitive individuals.

• Avoid inhalation of dust; may cause respiratory irritation.

• Handle hot molten rosin carefully to prevent burns.

• Store in cool, dry areas, away from moisture and strong oxidizers.

If you want, I can also make a comparison table of Rosin vs Hydrogenated Rosin vs Gum Rosin, showing softening point, applications, and industrial relevance, which is helpful for selecting the right grade for adhesives, rubber, or coatings.

Additional Information:

• Item Code: GR-WW-001
• Production Capacity: 100000
• Delivery Time: AVAILABLE
• Packaging Details: 25 Kg, 50 Kg, 200 Kg HDPE bags or fiber drums with moisture-resistant inner liner