1.01714

Barium carbonate

for analysis EMSURE^® ACS,Reag. Ph Eur

• Synonym(s): Barium carbonate
• Empirical Formula (Hill Notation): CBaO₃
• CAS Number: 513-77-9
• Molecular Weight: 197.34
• MDL number: MFCD00003448
• UNSPSC Code: 12352302
• EC Index Number: 208-167-3
• NACRES: NA.21

Properties

• grade: ACS reagent
• Quality Level: 300
• agency: reag. Ph. Eur.
• product line: EMSURE^®
• assay: 99.0-101.0% (BaCO₃ basis, complexometric)
• form: solid
• potency: 418 mg/kg LD₅₀, oral (Rat)
• impurities: ≤0.002 meq/g Total of alkali (water soluble); ≤0.005% Oxidizing Substances (as NO₃); ≤0.015% Substances insoluble in hydrochloric acid
• pH: 7-8 (16 °C, 0.016 g/L in H₂O)
• mp: >1450 °C (decomposition)
• solubility: 0.02 g/L
• density: 4.43 g/cm³ at 20 °C
• bulk density: 350 kg/m³
• anion traces: chloride (Cl^-): ≤0.002%; sulfide (S^2-): ≤0.001%
• cation traces: Ca: ≤0.02%; Fe: ≤0.001%; K: ≤0.005%; Na: ≤0.02%; Sr: ≤0.3%; heavy metals: ≤0.001%
• storage temp.: 2-30°C
• InChI: 1S/CH2O3.Ba/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2
• InChI key: AYJRCSIUFZENHW-UHFFFAOYSA-L

Description

Analysis Note

Assay (complexometric, BaCO₃): 99.0 - 101.0 %
Substances insoluble in hydrochloric acid: ≤ 0.015 %
Chloride (Cl): ≤ 0.002 %
Sulphide (S): ≤ 0.001 %
Heavy metals (ACS): ≤ 0.001 %
Ca (Calcium): ≤ 0.02 %
Fe (Iron): ≤ 0.001 %
K (Potassium): ≤ 0.005 %
Na (Sodium): ≤ 0.02 %
Sr (Strontium): ≤ 0.3 %
Total of alkali (water soluble): ≤ 0.002 meq/g
Oxidizing Substances (as NO₃): ≤ 0.005 %

Legal Information

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

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H302
• pcodes: P264 - P270 - P301 + P312 - P501
• Hazard Classifications: Acute Tox. 4 Oral
• Storage Class: 13 - Non Combustible Solids
• wgk_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable