Product Name | Calcium Chloride |
CAS No. | 10043-52-4 (Anhydrous) / 10035-04-8 (Dihydrate) |
Molecular Formula | CaCl₂ (Anhydrous) / CaCl₂·2H₂O (Dihydrate) |
Molecular Weight | 110.98 (Anhydrous) / 147.01 (Dihydrate) |
Appearance | White flakes, granules, powder or prills |
Main Grades | Anhydrous (94% min) : White granules/powder, extremely hygroscopic, for desiccants, deicing, oil drilling. Dihydrate (74% min) : White flakes, most common grade, for deicing, dust control, refrigeration, water treatment. Liquid (30%-45%) : Solution for water treatment, drilling fluids, coolants. Food Grade : Purity ≥98%, meets FCC/USP, for tofu coagulant, beverages, cheese processing. |
Key Specifications | Anhydrous: CaCl₂≥94%, total alkali chlorides≤5%, moisture≤1.0-2.0% Dihydrate: CaCl₂≥74%, moisture 22-26%, water insolubles≤0.2%, pH (5% sol.) 7.5-9.0 Food Grade: Heavy metals (as Pb)≤0.001%, As≤0.0003%, F≤0.004% |
Physical Properties | White solid, highly soluble in water (exothermic), strong hygroscopicity; anhydrous density 2.15 g/cm³, m.p. 772℃; dihydrate density 1.85 g/cm³, loses water at ~175℃ |
Features | Exothermic dissolution, low freezing point (< -50℃); strong moisture absorption; non-toxic; low cost, widely used. |
Main Applications | Deicing: Airports, highways, bridges, parking lots – economical and efficient. Desiccant: Drying of gases, liquids, organic solvents; household dehumidifiers. Dust Control: Mines, unpaved roads, construction sites. Refrigeration: Brine coolant for freezers, ice rinks. Oil Drilling: Drilling fluid weighting agent, mud conditioner, completion fluid additive. Water Treatment: pH adjustment, calcium supplement, flocculation aid, phosphate removal. Food: Tofu coagulant, cheese processing aid, electrolyte fortifier in beverages, pectin gelling agent. Construction: Antifreeze / accelerator in concrete, improves early strength. Agriculture: Calcium fertilizer to prevent deficiency (e.g., apple bitter pit, tomato blossom end rot). Others: Tire ballast weight, leather dehairing agent, antifreeze, analytical reagent. |
Packaging | 25kg woven bags (PE liner), 50kg bags, 1000kg jumbo bags; liquid: 200L plastic drums, IBC totes, tank trucks. |
Storage Conditions | Store in cool, dry, well-ventilated area; keep sealed; protect from moisture; avoid strong oxidizers. |
Shipping Requirements | Non-hazardous cargo; protect from moisture and rain; handle with care. |
Quality Standards | GB/T 26520-2021 (Industrial); Food grade: FCC, USP, GB 1886.45-2016. |
Minimum Order Quantity | Standard 20-25 tons (1×20'FCL); trial order 5-10 tons negotiable. |
Delivery Time | Standard 7-15 working days. |
Payment Terms | T/T (30% deposit, 70% against B/L copy), L/C at sight; FOB/CFR/CIF. |
HS Code | 28272000 (Calcium chloride) |
