1.01036
Chromium(III) potassium sulfate dodecahydrate
for analysis EMSURE® ACS,Reag. Ph Eur
别名:
Chromium(III) potassium sulfate dodecahydrate, Potassium chromium(III) sulfate, Alum chrome
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关于此项目
线性分子式:
KCr(SO4)2 · 12H2O
化学文摘社编号:
分子量:
499.40
UNSPSC Code:
12352302
EC Index Number:
233-401-6
NACRES:
NA.21
MDL number:
Assay:
99.0-102.0% (iodometric)
Grade:
ACS reagent
Form:
solid
SMILES string
[Cr+3].[K+].[S](=O)(=O)([O-])[O-].[S](=O)(=O)([O-])[O-].O.O.O.O.O.O.O.O.O.O.O.O
InChI
1S/Cr.K.2H2O4S.12H2O/c;;2*1-5(2,3)4;;;;;;;;;;;;/h;;2*(H2,1,2,3,4);12*1H2/q+3;+1;;;;;;;;;;;;;;/p-4
InChI key
ZFVHBEKVAITXHW-UHFFFAOYSA-J
grade
ACS reagent
agency
reag. Ph. Eur.
product line
EMSURE®
assay
99.0-102.0% (iodometric)
form
solid
impurities
≤0.01% Insoluble matter
pH
3 (20 °C, 50 g/L in H2O)
mp
89 °C
density
1.83 g/cm3 at 20 °C
bulk density
800‑1000 kg/m3
anion traces
chloride (Cl-): ≤0.002%
cation traces
Al: ≤0.005%, Cu: ≤0.001%, Fe: ≤0.010%, NH4+: ≤0.010%, Pb: ≤0.005%, heavy metals (as Pb): ≤0.01%
storage temp.
15-25°C
Quality Level
Analysis Note
Assay (iodometric): 99.0 - 102.0 %
Identity: passes test
Insoluble matter: ≤ 0.01 %
Chloride (Cl): ≤ 0.002 %
Heavy metals (as Pb): ≤ 0.01 %
Al (Aluminium): ≤ 0.005 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.010 %
NH₄ (Ammonium): ≤ 0.010 %
Pb (Lead): ≤ 0.005 %
Identity: passes test
Insoluble matter: ≤ 0.01 %
Chloride (Cl): ≤ 0.002 %
Heavy metals (as Pb): ≤ 0.01 %
Al (Aluminium): ≤ 0.005 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.010 %
NH₄ (Ammonium): ≤ 0.010 %
Pb (Lead): ≤ 0.005 %
Legal Information
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2
存储类别
13 - Non Combustible Solids
wgk
WGK 3
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