1.01714
Barium carbonate
for analysis EMSURE® ACS,Reag. Ph Eur
别名:
Barium carbonate
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关于此项目
经验公式（希尔记法）:
CBaO3
化学文摘社编号:
分子量:
197.34
UNSPSC Code:
12352302
EC Index Number:
208-167-3
NACRES:
NA.21
MDL number:
Assay:
99.0-101.0% (BaCO3 basis, complexometric)
Grade:
ACS reagent
Form:
solid
Solubility:
0.02 g/L
grade
ACS reagent
Quality Segment
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 (S2-): ≤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
SMILES string
[Ba+2].[O-]C(=O)[O-]
InChI
1S/CH2O3.Ba/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2
InChI key
AYJRCSIUFZENHW-UHFFFAOYSA-L
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 %
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
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signalword
Warning
hcodes
Hazard Classifications
Acute Tox. 4 Oral
存储类别
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable