Chromic Acid

Chromic Acid is a strong, corrosive oxidizing agent, typically a dark red liquid or solid (chromium trioxide, CrO3, known as H2CrO4 in its molecular form, used for metal plating, wood preservation, and cleaning glass due to its strong oxidative power, though it is hazardous and requires careful handling as it can cause severe burns and is a potential carcinogen. 

Physical & Chemical Properties:

Molecular Formula: H₂CrO₄

Molar Mass: 118.01 g/mol

Appearance: Dark red crystals, flakes, or granules

Density: ~1.2 g/cm³

Melting Point: ~197°C (decomposes)

Boiling Point: ~250°C (decomposes)

Solubility: Highly soluble in water.

pH: Highly acidic (e.g., pH 1.0 for a 1% solution)

Uses and Applications of Chromic Acid:

Metal Finishing & Electroplating: A primary use is as an intermediate in chromium plating for durable, tarnish-resistant finishes on appliances, auto parts, etc..

Wood Preservation: Protects wood (poles, timbers) from decay and insects, often mixed with copper and arsenic.

Organic Synthesis: Strong oxidizer, It is used in reactions like oxidizing alcohols to aldehydes, ketones, or carboxylic acids (e.g., as Jones reagent).

Laboratory Cleaning: Traditionally used to clean glassware of organic residues, though less common now due to safety/interference.

Textile Industry: It is used for dyeing and as a mordant.

Ceramics & Glass: It is used in glazes and to color glass.

Photography: Historically used in processes like reversal bleaching.

Hazards:

Highly corrosive and toxic, causing severe burns and health issues, leading to restricted use.

Packaging: 50 Kg. Drum