Calcium Chloride Dihydrate (CaCl₂·2H₂O)

Product Overview:
Calcium Chloride Dihydrate (CAS 10035-04-8) is a white, crystalline, and highly hygroscopic inorganic salt. With the molecular formula CaCl₂·2H₂O and a molecular weight of 147.01 g/mol, it is the most commonly handled hydrate form in both laboratory and industrial settings due to its stability and ease of weighing compared to the anhydrous form. It readily dissociates in water to provide calcium (Ca²⁺) and chloride (Cl⁻) ions, making it a versatile source of calcium and a potent desiccant.

Key Features & Benefits:

• High Purity & Versatility: Available in multiple grades including ACS Reagent, USP, FCC (Food Grade, E509), and Technical Grade to meet diverse application requirements.

• Excellent Solubility: Highly soluble in water (approx. 745 g/L at 20 °C) and also soluble in alcohol and acetic acid.

• Exothermic Dissolution: Releases heat upon dissolution, which can be advantageous in specific industrial processes but requires careful handling.

• Multi-Industry Functionality: Acts as a firming agent, stabilizer, thickener, pH buffer, and brine density enhancer across a wide range of sectors.

Technical Specifications (Typical):

Primary Applications:

• Food & Beverage Industry: Used as a firming agent, stabilizer, and thickener (INS 509 / E509) in various food products.

• Oil & Gas: Employed to increase the density of solids-free brines and to inhibit swelling clays in invert emulsion drilling fluids.

• Water Treatment: Functions as a drainage aid in wastewater treatment and as a pH buffer in swimming pool water.

• Construction & Ceramics: An ingredient in ceramic slipware and an additive in concrete to accelerate setting.

• Molecular Biology & Biochemistry: A cornerstone reagent for preparing chemically competent E. coli cells and as a calcium ion source in buffers and enzymatic assays.

• Industrial Manufacturing: Used as a flux in the Davy process, an additive in plastics and fire extinguishers, and in blast furnaces.

Packaging & Handling:

• Standard Packaging: 25 kg multi-wall bags with PE inner liner, or as per customer requirement.

• Handling Precautions: Avoid inhalation of dust and contact with eyes and skin. Wear appropriate protective equipment (goggles, gloves, dust mask). Hazard Statement: H319 – Causes serious eye irritation.

• Storage Conditions: Keep container tightly closed in a dry and well-ventilated place. Protect from moisture.

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