Chemi Scientific Enterprises

Phenolphthalein is a high-purity pH indicator widely used in acid–base titrations. It is colorless in acidic solutions and turns pink in alkaline solutions, making it one of the most commonly used indicators in laboratories, research institutions, and chemical analysis.

• Product Name: Phenolphthalein

• Chemical Formula: C₂₀H₁₄O₄

• CAS No.: 77-09-8

• Appearance: White to light yellow crystalline powder

• Grade: AR / LR / Indicator Grade

• Packaging: 25 g / 50 g / 100 g bottles

• Highly sensitive acid–base indicator

• Sharp and clear color change

• High purity and stability

• Suitable for analytical and research applications

• Consistent performance

• Acid–base titrations (color change at pH 8.2–10)

• Laboratory analytical chemistry

• Preparation of indicator solutions

• Teaching & educational labs

• Research and chemical testing

Chromium Trioxide (CAS 1333-82-0) is a dark red to reddish-purple crystalline solid widely used as a powerful oxidizing agent in chemical, metallurgical, and industrial applications. It is primarily utilized in chrome plating, metal surface treatment, wood preservation, and laboratory synthesis.

Chromium Trioxide is highly reactive and soluble in water, forming chromic acid solutions. Due to its strong oxidizing nature, it is effective in cleaning laboratory glassware and in organic chemistry reactions. It is classified as a hazardous and corrosive substance and must be handled with strict safety precautions.

Chemical Formula: CrO₃
Appearance: Dark red crystalline solid
Purity: 98%–99% (varies by manufacturer)

Key Features:

• Strong oxidizing agent

• Used in chrome plating & surface treatment

• Effective for specialized laboratory oxidation reactions

• Soluble in water, forms chromic acid

• Industrial-grade and laboratory-grade options available

Applications:

• Electroplating and chrome finishing

• Metal passivation and surface treatment

• Organic synthesis (oxidation reactions)

• Wood preservation

• Cleaning of laboratory glassware (in controlled environments)

Packing: 500 g, 1 kg, 5 kg (depending on brand)

Sodium Persulphate (CAS 7775-27-1) is a powerful oxidizing agent widely used in laboratories, electronics, polymers, water treatment, and chemical synthesis. It appears as a white crystalline powder and is highly soluble in water. Known for its strong oxidative properties, it is commonly used as an etchant, initiator, and cleaning agent.

Chemical Formula: Na₂S₂O₈
Appearance: White crystalline powder
Purity: 98%–99% (varies by brand)

Key Features:

• Strong and stable oxidizing agent

• Excellent for etching and surface cleaning

• High solubility in water

• Reliable for analytical and industrial applications

• Consistent performance and long shelf life

Applications:

• PCB etching in electronics

• Polymerization initiator for plastics & rubber

• Oxidizer in chemical synthesis

• Soil and groundwater remediation

• Water treatment and industrial cleaning

• Laboratory reagent for analysis

Packing: 100 g, 500 g, 1 kg, 25 kg (depending on grade and brand)