CAS No.: Anhydrous: 7789-41-5; Dihydrate: 22208-73-7

HS Code: 2827.59

Appearance

Solid Calcium Bromide: Divided into anhydrous type and dihydrate type. Anhydrous calcium bromide is white flakes, granules or crystalline powder. Calcium bromide dihydrate is pure white crystalline powder and particles with clean color, no black impurities, no caking, excellent fluidity and strong hygroscopicity.

Liquid Calcium Bromide: Colorless, transparent and viscous liquid with uniform concentration, no sediment, no suspended matter and no turbidity, featuring stable physical properties.

Product Introduction

Calcium bromide is a high-solubility inorganic bromide salt, including three mainstream forms: anhydrous calcium bromide, calcium bromide dihydrate and high-purity liquid calcium bromide. The product series has the advantages of high density, low freezing point, stable chemical properties, strong hygroscopicity and low corrosivity, with no dust pollution and excellent moisture resistance. As a water-containing crystalline bromide salt, calcium bromide dihydrate features high purity, ultra-low impurities and mild dissolution reaction without overheating and splashing, showing better storage stability than ordinary anhydrous calcium bromide.

As the core raw material of high-efficiency weighting fluid, completion fluid and workover fluid for oilfields, our products are widely used in oil and gas drilling, cementing and downhole operations. They are also extensively applied in pharmaceutical intermediates, flame retardant materials, industrial refrigerants, fine chemical synthesis, photosensitive materials and battery materials. We supply full-series products including anhydrous solid, dihydrate solid and high-concentration liquid with stable batch indicators and sufficient spot inventory. Customizable concentration and impurity indicators are available to meet diverse industrial process requirements.

2. Physical and Chemical Properties

Calcium bromide is a stable inorganic compound with strong hygroscopicity for all specifications. Compared with the anhydrous type, calcium bromide dihydrate has milder moisture absorption performance and better long-term storage stability. Both anhydrous and dihydrate solids are easily soluble in water, ethanol and acetone, insoluble in ether, with fast and thorough dissolution without residual precipitation. In particular, calcium bromide dihydrate dissolves gently without violent exothermic reaction, which is suitable for fine chemical and pharmaceutical solution preparation scenarios.

Liquid calcium bromide has high density, stable specific gravity and low freezing point, without stratification, crystallization or precipitation at room temperature. All aqueous solutions are neutral to weakly alkaline with a pH value of 6.0–9.5 and extremely low corrosivity, showing excellent compatibility with various drilling fluid systems and chemical formulas. The product maintains stable performance without decomposition or deterioration under conventional storage conditions. The prepared oilfield working fluid has outstanding compression resistance, anti-leakage and pressure stabilization effects, adapting to harsh working conditions of deep wells, offshore oilfields and fine chemical production.

3. Technical Specifications

3.1 Product Grades

Industrial Grade: Anhydrous Solid 96%, Dihydrate Solid 96%, Liquid 52%

3.2 Full Item Index Comparison Table

Notes:

1. All indicators comply with oilfield drilling chemical and fine industrial chemical standards. Full specifications of anhydrous, dihydrate and liquid products are available, with customizable concentration and impurity parameters;

2. COA quality inspection reports and third-party certification documents can be provided for each batch of products.

4. Core Product Advantages

1. High Purity with Strict Impurity Control

Strictly control harmful impurities such as chlorides, sulfates and heavy metals. With high effective content and stable solution density, the product causes no scaling or equipment corrosion, fully meeting the high-standard production requirements of oilfield operations.

2. Excellent Solubility and Stable System Compatibility

Solid products dissolve rapidly and completely in water without residues. Liquid products feature uniform concentration, no stratification or crystallization and constant specific gravity, with strong compatibility with various working fluid systems for long-term continuous recycling.

3. High Density Weighting & Excellent Pressure Stabilization

The product solution has high density and extremely low freezing point, which can accurately adjust and control wellbore pressure, effectively balance formation pressure, prevent well collapse, blowout and leakage, and greatly improve the safety and stability of drilling construction.

4. Dual Supply Forms for Full-scenario Adaptation

Solid products are convenient for long-distance transportation and warehouse storage with low loss; liquid products can be directly proportioned and used on site, saving dissolving procedures and improving construction efficiency, adapting to diverse process scenarios such as oilfield, chemical industry, flame retardant and refrigeration.

5. Stable Batch Quality & Controllable Performance

Adopting standardized automatic production and full-process quality inspection control, each batch has negligible index fluctuation, ensuring consistent performance of on-site working fluid and avoiding construction quality risks.

6. Multi-specification Design for Fine Industrial Scenarios

In addition to universal anhydrous and liquid products, the customized calcium bromide dihydrate is specially designed for fine chemical, pharmaceutical auxiliary, high-end flame retardant and precision refrigeration scenarios. It features mild dissolution, ultra-low impurities and higher stability, effectively avoiding pollution of high-purity systems and adapting to high-end fine production with wide compatibility and high cost performance.

5. Main Application Fields

Oil and Gas Drilling Industry

Core raw material for high-density completion fluid, workover fluid and drilling fluid, used for wellbore pressure balancing, well wall stabilization and leakage prevention. Widely applied in deep well, ultra-deep well and offshore oil and gas drilling projects.

Chemical and Pharmaceutical Industry

Important intermediates for pharmaceutical synthesis, used for sedative and industrial refrigerant raw materials; also applied in inorganic bromide preparation and fine chemical synthesis.

Flame Retardant Material Industry

Used as halogen flame retardant auxiliary for plastics, textiles and building materials, effectively improving the flame retardant and smoke suppression performance of materials for various flame retardant product production.

Refrigeration and Drying Industry

High-efficiency inorganic refrigerant and desiccant raw material with strong moisture absorption and stable refrigeration effect, widely used in industrial cooling and drying dehumidification systems.

Photosensitive and Electronic Industry

Used as film developing auxiliary and electronic industrial auxiliary material to ensure stable imaging effect and excellent industrial processing performance.

Fine Chemical and High-end Auxiliary Field

With the advantages of low impurities, mild dissolution and stable performance, calcium bromide dihydrate is widely used in pharmaceutical fine synthesis, high-end battery electrolyte auxiliaries, precision refrigerants, high-purity flame retardants and photosensitive fine materials. It is also applied in mineral flotation, high-end industrial water treatment, precision corrosion inhibitor preparation and other high-end industrial scenarios.

6. Storage & Packaging Instructions

Solid Calcium Bromide (Anhydrous / Dihydrate): Packed in 25kg moisture-proof woven bags or 1000kg ton bags. Store in dry, cool and ventilated warehouses with strict moisture and rain protection. For calcium bromide dihydrate, strictly control warehouse humidity and avoid long-term open placement to prevent moisture absorption, discoloration and caking deterioration.

Liquid Calcium Bromide: Sealed in 340kg plastic drums or 1000kg IBC tanks. Keep fully sealed during storage, avoid long-term open placement and low-temperature freezing to prevent impurity mixing and concentration deviation.