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Calcium

CAS Number
7440-70-2
EC Number
231-179-5
Chemical Formula
Ca
Molecular Weight
40.08 g/mol

Description

Calcium (CAS 7440-70-2 ) is a reactive alkaline earth metal supplied in elemental form for industrial reduction, alloying, and chemical synthesis applications. As a powerful reducing agent and desulfurization reagent, it drives critical metallurgical processes. In steelmaking and non-ferrous metallurgy, elemental calcium is used for desulfurization, deoxidation, and inclusion modification. This directly improves the mechanical properties and cleanliness of finished metal products across various industrial sectors. The nuclear and specialty metals industry uses it as a reduction agent to produce high-purity titanium, uranium, and rare earth metals. This is achieved via metallothermic reduction, where high reactivity is essential for success. In the chemical industry, it serves as a precursor for calcium hydride and other reactive calcium compounds used in organic synthesis. It is also frequently utilized in the production of specialized industrial desiccants. Battery and energy storage research also draws on elemental calcium as an anode material in next-generation calcium-ion cell development. This emerging field relies on the specific electrochemical properties of the metal. Elemental calcium is supplied as granules, lumps, turnings, and shot, with particle size selected to match handling requirements. Technical and high-purity grades are available, with purity levels typically ranging from 98% to 99.5%+. Material is generally packaged under inert atmosphere or in sealed containers to preserve reactivity during storage and transit. This ensures the chemical integrity of the product remains intact until it reaches the final application. Contact us for supply of Calcium Request Quote

Other Names (Synonyms)

element 20 | 20Ca | Calcium, elemental | SY7Q814VUP | Calcium element | Blood Coagulation Factor IV | Factor IV | Praval

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Point842 °C
Boiling Point1484 °C
Density1.54 g/cm³ @ Temp: 20 °C
AppearanceCalcium is a silvery-white metal when freshly cut, which tarnishes to a blue-gray color in air. It can also be found as a powder.
ColorSilver-white
OdorOdorless
Formpieces
Water Solubilityreacts with H2O, alcohols, dilute acids to evolve H2 [MER06]
pH0.5 (20°C in H2O)

Safety & Handling

Danger
GHS02· FlammableGHS05· Corrosive

Hazard Statements

H250Catches fire spontaneously if exposed to air
H261In contact with water releases flammable gas
H314Causes severe skin burns and eye damage
H318Causes serious eye damage

Precautionary Statements

P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P222Do not allow contact with air.
P231Handle and store contents under inert gas/… .
P233Keep container tightly closed.
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P264Wash … thoroughly after handling.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P316Get emergency medical help immediately.
P317Get emergency medical help.
P321Specific treatment (see … on this label).
P363Wash contaminated clothing before reuse.
P405Store locked up.
P501Dispose of contents/container in accordance with local regulations.
P232Handle and store contents under inert gas/… .
P265Wash … thoroughly after handling.
P340IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P378Use … for extinction.
P404Store in a dry place. Store in a closed container.
P331Rinse mouth. Do NOT induce vomiting.
P334IF ON SKIN: Brush off loose particles from skin. Immerse in cool water/wrap in wet bandages.
P354IF ON SKIN: Take off immediately all contaminated clothing. Rinse skin with water/shower.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code28051200
UN Number1401
ADR Class4.3
Packing GroupII
Storage Class4.3 - Hazardous materials which set free flammable gases upon contact with water
WGK (Germany)1