1.00229
Chromium(VI) oxide
for analysis EMSURE®
Synonym(s):
Chromium(VI) oxide, Chromic anhydride, Chromium trioxide
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
250 g | Check Cart for Availability | $188.00 |
About This Item
Quality Segment
product line
EMSURE®
assay
≥99.0% (iodometric)
form
solid
impurities
≤0.02% Substances precipitated by ammonia
loss
≤ 1.0% loss on drying, 105°C
pH
<1 (20 °C, 100 g/L in H2O)
mp
197 °C
density
2.7 g/cm3 at 20 °C
bulk density
900 kg/m3
anion traces
chloride (Cl-): ≤0.005%, sulfate (SO42-): ≤0.02%
cation traces
Fe: ≤0.01%, K: ≤0.005%, N: ≤0.005%, Na: ≤0.2%
storage temp.
2-30°C
SMILES string
[Cr](=O)(=O)=O
InChI
1S/Cr.3O
InChI key
WGLPBDUCMAPZCE-UHFFFAOYSA-N
Analysis Note
Chloride (Cl): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.02 %
Total nitrogen (N): ≤ 0.005 %
Fe (Iron): ≤ 0.01 %
K (Potassium): ≤ 0.005 %
Na (Sodium): ≤ 0.2 %
Substances precipitated by ammonia: ≤ 0.02 %
Loss on Drying (105 °C): ≤ 1.0 %
Legal Information
1 of 1
This Item | |||
|---|---|---|---|
| description for analysis EMSURE® | description EMPLURA® | description SAJ special grade, ≥98.0% | description ACS reagent, ≥98.0% |
| form solid | form - | form solid | form powder or crystals |
| assay ≥99.0% (iodometric) | assay - | assay ≥98.0% | assay ≥98.0% |
| Quality Level 300 | Quality Level 200 | Quality Level - | Quality Level 200 |
| cation traces Fe: ≤0.01%, N: ≤0.005%, K: ≤0.005%, Na: ≤0.2% | cation traces - | cation traces - | cation traces Fe, Al, Ba: ≤0.03%, Na: ≤0.2% |
| anion traces chloride (Cl-): ≤0.005%, sulfate (SO42-): ≤0.02% | anion traces - | anion traces - | anion traces chloride (Cl-): ≤0.005%, nitrate (NO3-): ≤0.05%, sulfate (SO42-): ≤0.005% |
| mp 197 °C | mp - | mp 196 °C (dec.) (lit.) | mp 196 °C (dec.) (lit.) |
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signalword
Danger
Hazard Classifications
Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1A - Eye Dam. 1 - Muta. 1B - Ox. Sol. 1 - Repr. 2 - Resp. Sens. 1 - Skin Corr. 1A - Skin Sens. 1 - STOT RE 1 Inhalation - STOT SE 3
target_organs
Respiratory system
Storage Class
5.1A - Strongly oxidizing hazardous materials
wgk
WGK 3
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