1.02384

Calcium chloride tetrahydrate

99.995 Suprapur^®

• Synonym(s): Calcium chloride tetrahydrate, Calcium dichloride
• Empirical Formula (Hill Notation): CaCl₂ · 4H₂O
• CAS Number: 25094-02-4
• Molecular Weight: 183.05
• UNSPSC Code: 12352302
• EC Index Number: 233-140-8
• NACRES: NA.21

Properties

• grade: for inorganic trace analysis
• Quality Level: 100
• Assay: 99.995%
• form: solid
• potency: 1000 mg/kg LD₅₀, oral (Rat); 2630 mg/kg LD₅₀, skin (Rat)
• pH: 5-7 (20 °C, 50 g/L in H₂O)
• mp: 772 °C (anhydrous substance)
• storage temp.: 2-30°C
• InChI: 1S/Ca.2ClH.4H2O/h;2*1H;4*1H2/q+2;;;;;;/p-2
• InChI key: ZNLVAQJGGDVQAU-UHFFFAOYSA-L

Description

Analysis Note

Purity (metallic): ≥ 99.995 %
Assay: ≥ 96 %
Phosphate (PO₄): ≤ 10 ppm
Sulfate (SO₄): ≤ 20 ppm
Al (Aluminium): ≤ 0.01 ppm
Ba (Barium): ≤ 2 ppm
Cd (Cadmium): ≤ 0.005 ppm
Ce (Cerium): ≤ 0.01 ppm
Co (Cobalt): ≤ 0.005 ppm
Cr (Chromium): ≤ 0.01 ppm
Cu (Copper): ≤ 0.005 ppm
Eu (Europium): ≤ 0.01 ppm
Fe (Iron): ≤ 0.05 ppm
K (Potassium): ≤ 2 ppm
La (Lanthanum): ≤ 0.01 ppm
Li (Lithium): ≤ 1 ppm
Mg (Magnesium): ≤ 10 ppm
Mn (Manganese): ≤ 0.01 ppm
Na (Sodium): ≤ 5 ppm
Ni (Nickel): ≤ 0.01 ppm
Pb (Lead): ≤ 0.01 ppm
Rb (Rubidium): ≤ 5 ppm
Sc (Scandium): ≤ 0.01 ppm
Sm (Samarium): ≤ 0.01 ppm
Tl (Thallium): ≤ 0.005 ppm
Y (Yttrium): ≤ 0.01 ppm
Yb (Ytterbium): ≤ 0.01 ppm
Zn (Zinc): ≤ 0.01 ppm

Legal Information

SUPRAPUR is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H319
• Precautionary Statements: P264 - P280 - P305 + P351 + P338 - P337 + P313
• Hazard Classifications: Eye Irrit. 2
• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable