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1333-82-0 molecular structure
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trioxochromium

ChemBase ID: 126564
Molecular Formular: CrO3
Molecular Mass: 99.9943
Monoisotopic Mass: 99.92525136
SMILES and InChIs

SMILES:
O=[Cr](=O)=O
Canonical SMILES:
O=[Cr](=O)=O
InChI:
InChI=1S/Cr.3O
InChIKey:
WGLPBDUCMAPZCE-UHFFFAOYSA-N

Cite this record

CBID:126564 http://www.chembase.cn/molecule-126564.html

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NAMES AND DATABASE IDS

NAMES AND DATABASE IDS

Names Database IDs
IUPAC name
trioxochromium
IUPAC Traditional name
chromium trioxide
Synonyms
Chromic acid on Amberlyst® A-26
Chromic acid, polymer-supported
Chromium trioxide
Chromic anhydride
chromium(VI) oxide
chromic acie
anhydride
chromic acid (misnomer)
Chromium(VI) oxide
Chromium trioxide solution in sulfuric acid
Sulfuric acid-chromium trioxide mixture
Jone′s reagent
Amberlyst® A-26 负载铬酸
聚合物负载铬酸
铬酸酐
三氧化铬(VI)
CAS Number
1333-82-0
65272-70-0
EC Number
215-607-8
MDL Number
MFCD00010952
PubChem SID
24846067
24862111
24853922
24854172
24885294
162220896
24856401
24874346
PubChem CID
14915
CHEBI ID
48240
Chemspider ID
14212
Unique Ingredient Identifier
8LV49809UC
Wikipedia Title
Chromium_trioxide

CALCULATED PROPERTIES

CALCULATED PROPERTIES

JChem
H Acceptors H Donor
LogD (pH = 5.5) -1.8042  LogD (pH = 7.4) -1.8042 
Log P -1.8042  Molar Refractivity 4.3287 cm3
Polarizability 5.259193 Å3 Polar Surface Area 51.21 Å2
Rotatable Bonds Lipinski's Rule of Five true 

PROPERTIES

PROPERTIES

Physical Property Safety Information Product Information Bioassay(PubChem)
Solubility
61.7 g/100 mL (0 °C)
63 g/100 mL (25 °C)
67.45 g/100 mL (100 °C) in water
expand Show data source
soluble in sulfuric acid, nitric acid, ethyl alcohol, ethyl ether, acetic acid, acetone expand Show data source
Apperance
(powder and or flakes) expand Show data source
crystalline expand Show data source
dark red granular solid
deliquescent
expand Show data source
macroporous expand Show data source
powder expand Show data source
Melting Point
196 °C (dec.)(lit.) expand Show data source
197°C expand Show data source
Boiling Point
251°C (decomposes) expand Show data source
Density
2.70 g/cm3 (20 °C) expand Show data source
Odor
odorless expand Show data source
Std enthalpy of formation
-579 kJ·mol-1 expand Show data source
Std molar entropy
72 J·mol-1·K-1 expand Show data source
RTECS
GB6650000 expand Show data source
European Hazard Symbols
Carc. Cat. 1 expand Show data source
Dangerous for the environment (N) expand Show data source
Muta. Cat. 2 expand Show data source
Nature polluting Nature polluting (N) expand Show data source
Oxidising Oxidising (O) expand Show data source
Oxidizer (O) expand Show data source
Repr. Cat. 3 expand Show data source
Toxic Toxic (T) expand Show data source
Highly toxic Highly toxic (T+) expand Show data source
Very toxic (T+) expand Show data source
UN Number
1463 expand Show data source
1830 expand Show data source
MSDS Link
Download expand Show data source
Download expand Show data source
Download expand Show data source
Download expand Show data source
Download expand Show data source
Download expand Show data source
Download expand Show data source
Download expand Show data source
Download expand Show data source
German water hazard class
3 expand Show data source
Hazard Class
5.1 expand Show data source
8 expand Show data source
Packing Group
2 expand Show data source
Risk Statements
45-46-60-61-23-35-42/43-48/20-51/53 expand Show data source
45-46-8-24/25-26-35-42/43-48/23-50/53-62 expand Show data source
45-46-9-24/25-26-35-42/43-48/23-50/53-62 expand Show data source
R45, R46, R9, R24/25, R26, R35, R42/43, R48/23, R62, R50/53 expand Show data source
Safety Statements
53-22-26-28-36/37/39-45-60-61 expand Show data source
53-23-26-36/37/39-45-61 expand Show data source
53-45-60-61 expand Show data source
S53, S45, S60, S61 expand Show data source
EU Index
024-001-00-0 expand Show data source
GHS Pictograms
GHS03 expand Show data source
GHS05 expand Show data source
GHS06 expand Show data source
GHS08 expand Show data source
GHS09 expand Show data source
GHS Signal Word
Danger expand Show data source
NFPA704
NFPA 704 diagram
1
3
1
OX
expand Show data source
LD50
80 mg/kg expand Show data source
GHS Hazard statements
H271-H301-H311-H314-H317-H330-H334-H340-H350-H361f-H372-H410 expand Show data source
H271-H301-H311-H314-H317-H330-H334-H340-H350-H361-H372-H410 expand Show data source
H272-H302-H314-H317-H330-H334-H335-H340-H350-H361-H372-H410 expand Show data source
H314-H317-H331-H334-H340-H350-H360FD-H373-H411 expand Show data source
GHS Precautionary statements
P201-P220-P260-P273-P280-P284 expand Show data source
P201-P261-P273-P280-P305 + P351 + P338-P310 expand Show data source
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P2 (EN 143) respirator cartridges, type P3 (EN 143) respirator cartridges expand Show data source
Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges expand Show data source
RID/ADR
UN 1463 5.1/PG 2 expand Show data source
UN 1830 8/PG 2 expand Show data source
Purity
~2% CrO3 basis expand Show data source
≥95.0% expand Show data source
≥98.0% expand Show data source
≥99% expand Show data source
≥99.0% (RT) expand Show data source
99.9% trace metals basis expand Show data source
99.99% expand Show data source
Grade
ACS reagent expand Show data source
CP expand Show data source
puriss. p.a. expand Show data source
purum p.a. expand Show data source
ReagentPlus® expand Show data source
SAJ first grade expand Show data source
SAJ special grade expand Show data source
Particle Size
20-50 mesh expand Show data source
Impurities
≤0.005% total nitrogen (N) expand Show data source
≤0.01% Insoluble matter expand Show data source
≤0.01% insolubles expand Show data source
Cation Traces
Al: ≤50 mg/kg expand Show data source
Ba: ≤50 mg/kg expand Show data source
Ca: ≤100 mg/kg expand Show data source
Cd: ≤5 mg/kg expand Show data source
Cd: ≤50 mg/kg expand Show data source
Co: ≤5 mg/kg expand Show data source
Cu: ≤10 mg/kg expand Show data source
Cu: ≤50 mg/kg expand Show data source
Fe, Al, Ba: ≤0.03% expand Show data source
Fe: ≤100 mg/kg expand Show data source
Fe: ≤50 mg/kg expand Show data source
K: ≤50 mg/kg expand Show data source
Mg: ≤5 mg/kg expand Show data source
Mn: ≤10 mg/kg expand Show data source
Na: ≤0.2% expand Show data source
Na: ≤2000 mg/kg expand Show data source
Ni: ≤5 mg/kg expand Show data source
Pb: ≤100 mg/kg expand Show data source
Pb: ≤5 mg/kg expand Show data source
Zn: ≤5 mg/kg expand Show data source
Zn: ≤50 mg/kg expand Show data source
Antion Traces
chloride (Cl-): ≤0.005% expand Show data source
chloride (Cl-): ≤50 mg/kg expand Show data source
nitrate (NO3-): ≤0.05% expand Show data source
sulfate (SO42-): ≤0.005% expand Show data source
sulfate (SO42-): ≤50 mg/kg expand Show data source
Extent of Labeling
~2.5 mmol/g loading expand Show data source
Empirical Formula (Hill Notation)
CrO3 expand Show data source

DETAILS

DETAILS

Wikipedia Wikipedia Sigma Aldrich Sigma Aldrich
Sigma Aldrich - 07404 external link
Application
Reactant for:
• Oxidation of oximes to carbonyl compounds1
• Oxidation of benzoins to benzils2
Sigma Aldrich - 675644 external link
Packaging
5, 25 g in glass bottle
Sigma Aldrich - 207829 external link
Packaging
1 kg in glass bottle
5 g in glass bottle
Sigma Aldrich - 359823 external link
Application
Polymer-supported reagent for the clean oxidation of primary and secondary alcohols to carbonyl compounds in high yields.
Packaging
25, 100 g in glass bottle
Legal Information
Amberlyst is a registered trademark of The Dow Chemical Company or an affiliated company of Dow
Sigma Aldrich - 236470 external link
Packaging
100, 500 g in glass bottle
Sigma Aldrich - 27081 external link
Other Notes
Oxidant used in the decomposition by solubilization or fusion1,2
Sigma Aldrich - 232653 external link
Application
Used with ammonium chloride to oxidize hydrobenzoins to benzils.1
Packaging
1, 2.5 kg in glass bottle
5, 100 g in glass bottle
Legal Information
ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC
Sigma Aldrich - 523577 external link
Packaging
100 g in glass bottle

REFERENCES

REFERENCES

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PATENTS

PATENTS

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INTERNET

INTERNET

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