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| Producer, Manufacturer,
Supplier of |
| Chromium(VI) Oxide |
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| GRR
Code : |
0542 |
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| CAS No : |
1333-82-0 |
| CI No : |
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| Molecular Formula
: |
CrO3 |
| Molecular Weight
: |
99.99 |
| Description
: |
Red-brown flakes or crystals · Solubility in water at 20 ° C 1660 g/l · Hygroscopic · D: 2,7 · M. P.: 196 ° C · Thermal decom. above 196 ° C ·
APPLICATIONS: Analytical reagent· Oxidant used in the decomposition and solubilization by fusion ,
Synthesis reagent: Oxidation reagent in combination with acetic anhydride , with pyridine ,with diethyl ether · Quinolinium chlorochromate : A selective oxidizing agent , · Used in synthesis of a-chloro ketones , Direct conversion of terminal alkenes into carboxylic acids
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| Website : |
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| Synonyms : |
Chromium Trioxide, Chromic Anhydride, Chromic Acid, CrO3 |
| Specifications
: |
| Specifications |
|
| Minimum assay (Iodom.) |
99,0 % |
| MAXIMUM LIMIT OF IMPURITIES |
|
| Insoluble matter in H2O |
0,01 % |
| Precipitated substances by NH4OH |
0,03 % |
| Nitrogen compounds (as N) |
0,005 % |
| Chloride (Cl) |
0,005 % |
| Sulphate (SO4) |
0,005 % |
| Al |
0,005 % |
| Ba |
0,005 % |
| Ca |
0,005 % |
| Cd |
0,005 % |
| Cu |
0,005 % |
| Fe |
0,01 % |
| Hg |
0,000005 % |
| K |
0,005 % |
| Na |
0,2 % |
| Pb |
0,005 % |
| Zn |
0,005 % |
HAZARDOUS: E.C.: 024-001-00-0 · RTECS: GB 6650000 · DL50 oral rat 80 mg/Kg · VLA-ED (as Cr): 0,05 mg/m3 ·
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R: 45-46-9-E24/25-E26-35-42/43-E48/23-62-50/53
S: 53-45-60-61 |
TRANSPORT REGULATIONS: UN: 1463 · ADR: 5.1/II · IMDG: 5.1/II · IATA: 5.1/II · PAX: 508 · CAO: 511 |
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