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Quick Answer — Calcium Chloride (CaCl2 Flakes & Powder) for Water & Concrete

Calcium Chloride (CaCl2 74-77% Flakes & 94% Anhydrous Powder) is a versatile inorganic salt used across Kenya as a swimming pool calcium hardness increaser, concrete setting accelerator, industrial desiccant, and oilfield completion brine additive.

Calcium Chloride (CaCl2 74-77% Flakes & 94% Anhydrous Powder) is a versatile inorganic salt used across Kenya as a swimming pool calcium hardness increaser, concrete setting accelerator, industrial desiccant, and oilfield completion brine additive.

Key Facts

  • Concentration: 74-77% Dihydrate Flakes & 94% Anhydrous Powder
  • CAS Number: 10043-52-4 | Highly exothermic dissolution in water
  • Essential pool balance chemical that stops aggressive soft water from plaster etching
  • Accelerates initial set time & early strength development in cold-weather concrete
  • Supplied in 25kg Moisture-Proof PE Bags from Nairobi Industrial Area Warehouse

Primary Use Cases

Calcium hardness adjustment in swimming pools to prevent pool plaster & equipment corrosionAccelerating concrete set times & early compressive strength development in constructionIndustrial moisture desiccant, dust suppression agent & oilfield drilling completion fluid
Calcium Chloride 74-77% Flakes & 94% Powder (CaCl2) (Industrial Grade, Flakes) in commercial industrial packaging

Calcium Chloride 74-77% Flakes & 94% Powder (CaCl2) (Industrial Grade Flakes) supplied by KIKI'S Industrial Chemicals for industrial processing, manufacturing, and commercial applications in Kenya and East Africa.

Water Treatment Chemicals

Calcium Chloride (CaCl2 Flakes & Powder) for Water & Concrete

Product Code: KIC-WTC-004

Also known as: Calcium Chloride, CaCl2, Calcium Chloride Flakes, Calcium Chloride Anhydrous, Calcium Chloride 74-77% Flakes & 94% Powder (CaCl2)

Synonyms: CaCl2 flakes, CaCl2, calcium chloride flakes, Dowflake, Peladow, Calcium Salt

High-purity Calcium Chloride flakes (77%) and powder (94%) for industrial water treatment, dust suppression on unpaved roads, concrete set acceleration, and food processing in Kenya.

CAS Number
10043-52-4
Formula
CaCl2
IUPAC Name
Calcium Dichloride
Molecular Weight
110.98 g/mol (Anhydrous) / 147.01 g/mol (Dihydrate)
EC Number
233-140-8
UN Number
Non-Hazardous
Chemical Family
Inorganic Alkaline Earth Metal Salt
Grade
Industrial Grade
Purity
74–77% (Dihydrate Flakes) / 94% (Anhydrous Granular)
Physical Form
Flakes

Available Packaging

25kg bags

Product Overview

Calcium Chloride (CaCl2, CAS 10043-52-4) is a highly soluble inorganic salt known for its extreme hygroscopic properties, exothermic dissolution in water, and effective ionic strength modification.

In East Africa, Calcium Chloride is heavily utilized in municipal and industrial water treatment to increase water hardness, in civil engineering for dust suppression and rapid concrete setting, and in food processing for firming canned produce and brewing water adjustment.

Reliable Supply Across East African Infrastructure

Kiki's Industrial Chemicals Ltd supplies prime Calcium Chloride 77% Flakes and 94% Powder in heavy-duty 25kg bags, providing consistent quality for construction firms, water boards, and food manufacturers.

Technical Description

When dissolved in water, Calcium Chloride releases calcium ions (Ca²⁺) and chloride ions (Cl⁻) in a strongly exothermic reaction. Its hygroscopic nature enables it to absorb ambient moisture from air, making it an exceptional dust palliative on gravel roads.

In concrete work, Calcium Chloride accelerates the hydration rate of tricalcium silicate (C3S), drastically reducing initial and final set times in cold ambient temperatures.

Complete Chemical Specifications

Commercial Specification
94%/77% [Method: Standard COA]
Physical Form
Flakes [Method: Visual]
Chemical Formula
CaCl2 [Method: XRD / NMR]
Molecular Weight
110.98 g/mol (Anhydrous) / 147.01 g/mol (Dihydrate) [Method: Calculated]

Physical & Chemical Properties

Appearance
White flakes, pellets, or granular powder
Odour
Odorless
pH
7.5 – 9.5 (10% aqueous solution)
Density
2.15 g/cm³ (Anhydrous)
Boiling Point
> 1600°C
Melting Point
772°C (Anhydrous) / 176°C (Dihydrate)
Solubility
74.5 g/100 mL at 20°C (Highly soluble in water & ethanol)

Commercial Availability

Stock Status
InStock
Lead Time
Same-day dispatch in Nairobi / 24-48 hrs across Kenya
MOQ
25 kg Bag
Delivery Regions
Nairobi, Mombasa, Kisumu, Nakuru, Eldoret, Rift Valley, Uganda, Tanzania

Contact Kiki's Sales Team for bulk pallet pricing, technical application dosing guides, and regional delivery schedules.

Suitable Applications

Target Industries

Use Cases

  • Water hardness balance in municipal & industrial water treatment
  • Dust suppression on unpaved agricultural & mining haul roads
  • Concrete set accelerator in cold weather construction
  • Refrigeration brine for industrial cold storage plants
  • Calcium fortification in cheese making & beverage brewing

Storage Guidelines

Store in original sealed 25kg moisture-proof polypropylene bags in a dry, well-ventilated warehouse.

Because Calcium Chloride rapidly absorbs atmospheric moisture and deliquesces into a liquid brine, keep bags off bare concrete floors on wooden pallets and keep partially used bags tightly closed.

Handling Advisory

Calcium Chloride causes mild to moderate eye and skin irritation. Wear protective gloves, safety glasses, and a dust mask when opening bags.

Dissolving solid Calcium Chloride generates substantial heat; always add salt slowly to cool water under agitation.

Safety & Chemical Handling Advisory

Safety Advisory

Inhalation: Move to fresh air. Eye contact: Flush immediately with water for 15 mins. Skin: Wash thoroughly with water.

GHS:Eye Irritation Category 2, Acute Toxicity Category 4 (Oral)
Signal Word:WARNING
Transport:Non-Hazardous Goods for transport
Packing Group:PG III

Hazard Statements

  • H319: Causes serious eye irritation
  • H302: Harmful if swallowed

Precautionary Statements

  • P264: Wash hands thoroughly after handling.
  • P280: Wear eye protection/protective gloves.
  • P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes.

PPE Requirements

Safety GlassesRubber / PVC GlovesDust Mask (P2)

COMMERCIAL & TECHNICAL GUIDANCE

Frequently Asked Questions — Calcium Chloride (CaCl2 Flakes & Powder) for Water & Concrete

Technical, regulatory, and supply guidance for Calcium Chloride (CaCl2 Flakes & Powder) for Water & Concrete.

Calcium Chloride is added to swimming pool water to increase calcium hardness (ideal range 200-400 ppm), preventing corrosive soft water from etching pool plaster and corroding metal pump fittings.

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