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Chromyl chloride information


Chromyl chloride
Wireframe model of chromyl chloride
Wireframe model of chromyl chloride
Ball and stick model of chromyl chloride
Ball and stick model of chromyl chloride
Chromyl chloride in vial
Names
Preferred IUPAC name
Chromium(VI) dichloride dioxide
Systematic IUPAC name
Dichloridodioxidochromium
Other names
Chromic acid chloride

Chromium oxychloride

Etard Reagent
Chlorochromic anhydride
Chromic oxychloride
Chromium chloride oxide
Chromium dioxide dichloride
Chromium dioxychloride
Chromium oxychloride
Identifiers
CAS Number
  • 14977-61-8 checkY
3D model (JSmol)
  • Interactive image
ChEBI
  • CHEBI:33038 checkY
ChemSpider
  • 21106426 checkY
ECHA InfoCard 100.035.491 Edit this at Wikidata
EC Number
  • 239-056-8
Gmelin Reference
2231
PubChem CID
  • 22150757
RTECS number
  • GB5775000
UNII
  • JQU316FZ5W checkY
UN number 1758
CompTox Dashboard (EPA)
  • DTXSID30894858 Edit this at Wikidata
InChI
  • InChI=1S/2ClH.Cr.2O/h2*1H;;;/q;;+2;;/p-2 checkY
    Key: AHXGRMIPHCAXFP-UHFFFAOYSA-L checkY
  • InChI=1S/2ClH.Cr.2O/h2*1H;;;/q;;+2;;/p-2
    Key: AHXGRMIPHCAXFP-UHFFFAOYSA-L
  • InChI=1/2ClH.Cr.2O/h2*1H;;;/q;;+2;;/p-2/rCl2CrO2/c1-3(2,4)5
    Key: AHXGRMIPHCAXFP-GRYJOLFGAD
SMILES
  • Cl[Cr](Cl)(=O)=O
Properties
Chemical formula
CrO2Cl2
Molar mass 154.9008 g/mol
Appearance Blood-red fuming liquid, similar to bromine
Odor Musty, burning, acrid[1]
Density 1.911 g/mL, liquid
Melting point −96.5 °C (−141.7 °F; 176.7 K)
Boiling point 118.5 °C (245.3 °F; 391.6 K)
Solubility in water
Reacts with water
Vapor pressure 20 mmHg (20 °C)[1]
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
Toxic, oxidizer, carcinogenic, mutagenic, reacts violently with water[1]
GHS labelling:
Pictograms
GHS03: OxidizingGHS05: CorrosiveGHS07: Exclamation markGHS08: Health hazardGHS09: Environmental hazard
Signal word
Danger
Hazard statements
H271, H314, H317, H340, H350, H410
Precautionary statements
P201, P210, P280, P303+P361+P353, P305+P351+P338+P310, P308+P313[2]
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 3: Short exposure could cause serious temporary or residual injury. E.g. chlorine gasFlammability 0: Will not burn. E.g. waterInstability 2: Undergoes violent chemical change at elevated temperatures and pressures, reacts violently with water, or may form explosive mixtures with water. E.g. white phosphorusSpecial hazard W+OX: Reacts with water in an unusual or dangerous manner AND is oxidizer
3
0
2
W
OX
Flash point noncombustible[1]
NIOSH (US health exposure limits):
PEL (Permissible)
none[1]
REL (Recommended)
Ca TWA 0.001 mg Cr(VI)/m3[1]
IDLH (Immediate danger)
N.D.[1]
Safety data sheet (SDS) Sigma Aldrich - Chromyl Chloride
Related compounds
Related compounds
SO2Cl2; VOCl3; MoO2Cl2; WO2Cl2; CrO2F2
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Chromyl chloride is an inorganic compound with the formula CrO2Cl2. It is a reddish brown compound that is a volatile liquid at room temperature, which is unusual for transition metal compounds.

  1. ^ a b c d e f g NIOSH Pocket Guide to Chemical Hazards. "#0142". National Institute for Occupational Safety and Health (NIOSH).
  2. ^ "Chromyl chloride 200042" (PDF). Sigma-Aldrich. Archived from the original on 2020-09-01.

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Chromyl chloride

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Chromyl chloride is an inorganic compound with the formula CrO2Cl2. It is a reddish brown compound that is a volatile liquid at room temperature, which...

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Chromyl fluoride

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CrO2F2 have a tetrahedral geometry with C2v symmetry, much like chromyl chloride. Chromyl fluoride dimerizes via fluoride bridges (as O2Cr(μ-F)4CrO2) in...

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Oxohalide

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dichromate salt and potassium chloride with concentrated sulfuric acid. Cr2O2−7 + 4 Cl− + 6 H+ → 2 CrO2Cl2 + 3 H2O The chromyl chloride produced has no electrical...

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Pyridinium chlorochromate

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+ CrO3 → [C5H5NH][CrO3Cl] In one alternative method, formation of chromyl chloride (CrO2Cl2) fume during the making of the aforementioned solution was...

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List of inorganic compounds

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ClO2F Chromium(II) chloride – CrCl2 Chromium(III) chloride – CrCl3 Chromyl chloride – CrO2Cl2 Cisplatin (cis–platinum(II) chloride diamine) – [PtCl2(NH3)2]...

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Hydrogen atom abstraction

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instances, it may be a species with a closed electron shell, such as chromyl chloride. Hydrogen atom transfer can occur via a mechanism known as proton-coupled...

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Qualitative inorganic analysis

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Chlorides are confirmed by the chromyl chloride test. When the salt is heated with K2Cr2O7 and concentrated H2SO4, red vapours of chromyl chloride (CrO2Cl2)...

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Chromium

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Chromium(VI) oxyhalides are known also and include chromyl fluoride (CrO2F2) and chromyl chloride (CrO 2Cl 2). However, despite several erroneous claims...

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GHS hazard pictograms

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types A, B Organic peroxides, types A, B e.g. azidoazide azide, TNT, chromyl chloride, nitroglycerin GHS01: Explosive   Flammable gases, category 1 Flammable...

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Chromic acid

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adduct of chromium trioxide and pyridine used for diverse oxidations. Chromyl chloride, CrO2Cl2 is a well-defined molecular compound that is generated from...

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Toluene

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involve the use of potassium permanganate to yield benzoic acid and chromyl chloride to yield benzaldehyde (Étard reaction). The methyl group in toluene...

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Potassium chlorochromate

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with hydrochloric acid. An improved route involves the reaction of chromyl chloride and potassium chromate: K2CrO4 + CrO2Cl2 → 2KCrO3Cl The salt consists...

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Phosphine oxide

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isolation with a reaction of phosphine, vanadium oxytrichloride and chromyl chloride. It has also been reported relatively stable in a water-ethanol solution...

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Chromium compounds

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Chromium(VI) oxyhalides are known also and include chromyl fluoride (CrO2F2) and chromyl chloride (CrO 2Cl 2). However, despite several erroneous claims...

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List of CAS numbers by chemical compound

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7789–04–0 CrSe chromium(II) selenide 12053–13–3 CrO2F2 chromyl fluoride 7788–96–7 CrO2Cl2 chromyl chloride 14977–61–8 Cr2O3 chromium(III) oxide 1308–38–9 Cr2(SO4)3...

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Tungsten hexachloride

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examples of charge-neutral hexachlorides are rhenium(VI) chloride and molybdenum(VI) chloride. The highly volatile tungsten hexafluoride is also known...

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Donna Nelson

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Donna J.; Li, Ruibo; Brammer, C. N. "Correlation of Relative Rates of Chromyl Chloride Oxidation and Chromic Acid Oxidation of Acyclic Alkenes Versus Alkene...

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Sodium bifluoride

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or glass. Sodium bifluoride also engages in violent reactions with chromyl chloride, nitric acid, red phosphorus, sodium peroxide, diethyl sulfoxide, and...

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Filip Neriusz Walter

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nitrotoluene, cedrene, potassium hydroxide dihydrate, chromyl chloride, cumene, benzyl chloride, benzyl bromide, and menthene. In 1847 he was decorated...

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Potassium hypochromate

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potassium metal. This compound is used to synthesize various compounds such as chromyl chlorosulfate by reacting this compound with chlorosulfuric acid. N. Bailey;...

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Fluorosulfates

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Altabef, A.; Brandán, S.A. (September 2010). "A new vibrational study of chromyl fluorosulfate, CrO2(SO3F)2 by DFT calculations". Journal of Molecular Structure...

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Difluorophosphate

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discoverer, Willy Lange, in 1929.[clarification needed] Alkali metal chlorides can react with dry difluorophosphoric acid to form alkali metal salts...

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