1.02481
Chromium(III) nitrate nonahydrate
for analysis EMSURE®
别名:
Chromium(III) nitrate nonahydrate, Chromic Nitrate
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关于此项目
线性分子式:
Cr(NO3)3 · 9H2O
化学文摘社编号:
分子量:
400.15
UNSPSC Code:
12352302
EC Index Number:
236-921-1
NACRES:
NA.21
MDL number:
Assay:
≥98.0% (iodometric)
Form:
solid
Solubility:
810 g/L
Quality Segment
product line
EMSURE®
assay
≥98.0% (iodometric)
form
solid
potency
3250 mg/kg LD50, oral (Rat)
impurities
≤0.05% Substances not precipitated by ammonia (as sulfates)
pH
2-3 (20 °C, 50 g/L in H2O)
mp
36-37 °C
solubility
810 g/L
bulk density
710 kg/m3
anion traces
chloride (Cl-): ≤0.002%, sulfate (SO42-): ≤0.005%
cation traces
Cu: ≤0.001%, Fe: ≤0.01%, NH4+: ≤0.002%
storage temp.
15-25°C
SMILES string
[Cr](O[N+](=O)[O-])(O[N+](=O)[O-])O[N+](=O)[O-]
InChI
1S/Cr.3NO3/c;3*2-1(3)4/q+3;3*-1
InChI key
PHFQLYPOURZARY-UHFFFAOYSA-N
Analysis Note
Assay (iodometric): ≥ 98.0 %
pH-value (5 %; water): 2.0 - 3.0
Chloride (Cl): ≤ 0.002 %
Sulfate (SO₄): ≤ 0.005 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.01 %
NH₄ (Ammonium): ≤ 0.002 %
Substances not precipitated by ammonia (as sulfates): ≤ 0.05 %
pH-value (5 %; water): 2.0 - 3.0
Chloride (Cl): ≤ 0.002 %
Sulfate (SO₄): ≤ 0.005 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.01 %
NH₄ (Ammonium): ≤ 0.002 %
Substances not precipitated by ammonia (as sulfates): ≤ 0.05 %
Legal Information
EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany
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signalword
Warning
Hazard Classifications
Aquatic Chronic 3 - Eye Irrit. 2 - Ox. Sol. 3 - Skin Irrit. 2 - Skin Sens. 1B
存储类别
5.1B - Oxidizing hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable