Potassium Chloride SQ (500g) — Qualigens / Apex Labs

Potassium Chloride SQ (500g) is a premium, laboratory-grade chemical reagent manufactured by Thermo Fisher Scientific and supplied through Apex Labs. Known for its consistent purity and reliability, this Semi-Quantitative (SQ) grade Potassium Chloride (KCl) is a vital staple for routine laboratory testing, solution preparation, and university-level chemistry experiments. Packaged in a durable, securely sealed high-density plastic bottle, it ensures extended shelf-life and robust protection against atmospheric moisture.

*Image for illustration purposes only. Actual color, design, or packaging may vary based on manufacturing batches.

Product Specification & Direct Ordering

Technical Specifications

• Supplier & Brand: Apex Labs, Varanasi, UP (Authorized Distributor / Supplier)
• Product Name & Brand: Potassium Chloride SQ | Qualigens (Thermo Fisher Scientific)
• Catalog Number / CAS: Cat No. Q19255 | CAS Number: 7447-40-7
• Chemical Formula & MW: KCl | Molecular Weight: 74.56 g/mol
• Grade & Assay: Laboratory Grade / SQ (Semi-Quantitative); Assay ≥ 99.5% (after ignition)
• Appearance & Solubility: White crystalline powder/granules; completely soluble in water (10% w/v yields a clear, colorless solution)
• Loss on Drying: ≤ 1.0% (at 150°C)
• Maximum Impurity Limits: Iron (Fe) ≤ 0.002%, Sulphate (SO_4) ≤ 0.03%, Sodium (Na) ≤ 1.0%
• Pack Size & HSN Code: 500 g Robust Plastic Bottle | HSN Code: 28273990
• Storage & Safety: Store tightly closed in a cool, dry place. Hygroscopic nature requires protection from atmospheric moisture.

Laboratory Chemicals & Reagents Range

Apex Labs supplies an extensive catalog of analytical reagents, laboratory salts, solvents, and specialized chemical consumables from leading brands including Qualigens and Thermo Fisher. Contact our sales desk for custom institutional bulk requirements.

Performance Highlights

• Trusted Quality: Manufactured under rigorous quality control standards by Thermo Fisher Scientific under the industry-recognized Qualigens brand.
• High Purity (SQ Grade): Features a minimum assay of 99.5% (after ignition), ensuring dependable performance for everyday qualitative and quantitative laboratory tasks.
• Excellent Solubility: Dissolves seamlessly and completely in water to yield a crystal clear, colorless solution free of suspended particulates.
• Low Impurity Profile: Rigidly controlled maximum limits for common trace contaminants including Iron (Fe), Sulphates (SO_4), and Sodium (Na).
• Secure Packaging: Supplied in an industry-standard 500g high-density plastic bottle engineered for safe handling, secure grip, and long-term shelf storage.

Primary Sector Applications

• Buffer & Reagent Preparation: Widely utilized to formulate phosphate-buffered saline (PBS) and diverse biological extraction media.
• Electrolyte Solutions: Ideal for maintaining reference electrodes in benchtop pH meters, ion-selective electrodes, and conductivity testers.
• Chemical Synthesis: Serves as a dependable, high-purity source of potassium and chloride ions across numerous inorganic synthesis reactions.
• Educational & Research Labs: A cost-effective, high-performing chemical reagent tailored for academic laboratory instruction and clinical workflow training.