Sodium Chloride SQ (500g, Qualigens / Thermo Fisher) — Apex Labs

Sodium Chloride SQ (500g) is a premium, laboratory-grade chemical reagent manufactured by Thermo Fisher Scientific and supplied through Apex Labs. Formulated as a Semi-Quantitative (SQ) grade reagent, this Sodium Chloride ($\text{NaCl}$) ensures consistent quality, excellent purity ($\ge 99.5\%$), and dependable batch-to-batch performance. It serves as a foundational chemical for everyday laboratory applications, including buffer preparation, media formulation, and general analytical testing. Packaged in an industrial-grade, moisture-resistant 500g plastic bottle, it is protected against clumping and atmospheric contamination, ensuring a stable shelf-life.

*Image for illustration purposes only. Actual bottle size or packaging design may vary slightly.

Technical Specifications

• Product Name & Brand: Sodium Chloride SQ | Qualigens (Thermo Fisher Scientific)
• Catalog Number / CAS: Cat No. Q14315 / Q27815 | CAS Number: 7647-14-5
• Chemical Formula & MW: NaCl | Molecular Weight: 58.44 g/mol
• Grade & Assay: Laboratory Grade / SQ (Semi-Quantitative); Assay  99.5%
• Appearance & Solubility: Colorless crystals / White crystalline powder; completely soluble in water (10% w/v solution is clear and colorless)
• Loss on Drying: 0.5%(at 105°C)
• Maximum Impurity Limits: Free Alkali/Acid Standard Pass, Heavy Metals (Pb) 0.0005%, Sulphate (SO_4) 0.02%
• Pack Size & HSN Code: 500 g Moisture-Resistant Plastic Bottle | HSN Code: 25010090 / 28273990
• Storage & Safety: Store in a cool, dry place. Keep container tightly sealed to protect from humidity (hygroscopic behavior).

Key Features & Performance Highlights

• Trusted Brand Quality: Manufactured by Thermo Fisher Scientific under the premium Qualigens brand, ensuring compliant laboratory standards.
• High Assay (SQ Grade): Features a high purity profile (99.5%), delivering predictable results in standard qualitative and quantitative workflows.
• Rapid & Complete Solubility: Dissolves quickly and entirely in water to create a crystal-clear, colorless solution.
• Strictly Controlled Impurities: Rigidly monitored for trace contaminants, including low maximum limits for heavy metals, moisture, and sulfate ions.
• Secure Storage Design: Housed in a durable, tightly sealed high-density bottle designed to withstand typical laboratory storage conditions.

Primary Sector Applications

• Biological Buffers & Media: Crucial for preparing standard saline solutions, Phosphate-Buffered Saline (PBS), and maintaining osmotic pressure in cell culture media.
• Analytical Chemistry: Used as a baseline reagent in precipitation titrations and standard solution preparation.
• Clinical & Diagnostic Testing: Frequently utilized in clinical research labs for routine processing, staining protocols, and extraction assays.
• Academic Institutions: An economical, safe, and high-performance staple chemical for university, college, and school science laboratories.