Basic information
- CAS
13548-42-0- Standard SMILES
[Cu+2].[O]=[Cr](=[O])([O-])[O-]- InChIKey
PWGQHOJABIQOOS-UHFFFAOYSA-N- Molecular formula
- CrCuO4
- Average molar mass
- 179.54 g/mol
- Monoisotopic mass
- 178.84976
Names & identifiers
- Preferred name
- Cupric chromate(VI)
- IUPAC
- copper dioxido(dioxo)chromium
- English name
- copper chromate
- Molecular formula
- CrCuH2O4
- Molecular weight
- 181.55
Names & synonyms
Copper chromate13548-42-0CUPRIC CHROMATECupric chromate(VI)neutral cupric chromateCopper chromium oxide (CuCrO4)EINECS 236-922-7CCRIS 8179Chromic acid (H2CrO4), copper(2+) salt (1:1)3G552ZJ16KCUPRIC CHROMATE(VI) [MI]Copper (II) chromate
Show more names
COPPER(II)CHROMATE(VI)
RefChem:580032236-922-7copper;dioxido(dioxo)chromiumKupferchromatUNII-3G552ZJ16KSCHEMBL295258Copper chromate(VI) (CuCrO4)DTXSID80893937
Database identifiers
- CAS
13548-42-0- PubChem CID
- 61646
- DTXSID
DTXSID80893937- UNII
- 3G552ZJ16K
- EC Number
- 236-922-7
Properties
Computed structural properties
- Topological polar surface area
- 80.3 Ų
- Hydrogen bond donors
- 0
- Hydrogen bond acceptors
- 4
- Rotatable bonds
- 0
- Heavy atoms
- 6
- Formal charge
- 0
- Complexity
- 62.2
Experimental & physicochemical properties
Chemical ClassesMetals -> Chromium Compounds, Inorganic
Physical DescriptionReddish-brown solid; Practically insoluble in water; [Merck Index] Brown crystalline powder; [MSDSonline]
Physicochemical properties
- Melting point
- 400 ℃ · decomposes at 400℃ [KIR78]
- solubility
- 2 O; · insoluble in H2O; soluble in ethanol
- form
- red-brown crystals
- color
- red-brown crystals, crystalline
- Water Solubility
- 2 O: · mol/L solution H2O: 0.0020 (25°C); solid phase, CuCrO4 ·H2O [KRU93]
- FDA UNII
- 3 G552ZJ16K · 3G552ZJ16K
- EPA Substance Registry System
- Chromic acid (H2CrO4), copper(2+) salt (1:1) (13548-42-0)
- Symbol(GHS)
- 8 · GHS08,GHS07,GHS09
- Signal word
- Danger
- Hazard statements
- 400 · H400-H302-H350-H317-H410
Safety & regulation
GHS classification
GHS Classification
Danger
H302 (88.9%): Harmful if swallowed [Warning Acute toxicity, oral]
P203, P261, P264, P270, P272, P273, P280, P301+P317, P302+P352, P318, P321, P330, P333+P317, P362+P364, P391, P405, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 117 reports by companies from 3 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard information
Hazards SummaryAn irritant; May cause skin sensitization; [MSDSonline] See Chromium and linked occupational diseases.
Hazard Classes and CategoriesAcute Tox. 4 (88.9%)
Safety & protection
Exposure Control and Personal Protection0.01 [mg/m3], respirable fraction (Cu, inorganic cmpnds)[German Research Foundation (DFG)]
Threshold Limit Values (TLV)
0.0001 [mg/m3], as Cr(VI), inhalable particulate matter
0.0005 [mg/m3], as Cr(VI), inhalable particulate matter
Permissible Exposure Limit (PEL)0.005 [mg/m3], as Cr(VI)
Immediately Dangerous to Life or Health (IDLH)15.0 [mg/m3], as Cr
Toxicology
Adverse EffectsOccupational hepatotoxin - Secondary hepatotoxins: the potential for toxic effect in the occupational setting is based on cases of poisoning by human ingestion or animal experimentation.
Chemistry & industry
Uses & manufacturing
Uses
Used in fungicides, seed protectants, wood preservatives, textile dyes (mordant), and textile preservatives; [Merck Index] Used as a preservative in wood and textile products; [Ullmann]
Applying Wood Preservatives [Category: Other]
General Manufacturing InformationChromic acid (H2CrO4), copper(2+) salt (1:1): ACTIVE
Applications
UsesIt is used in wood preservation and in textile weatherproofing.
Preparation methods
PreparationCopper(II) chromate(VI) is a red or reddish-brown, crystalline material prepared by the careful heating of a mixture of copper(II) oxide and chromium(VI) oxide or by reaction of copper(II) oxide with solutions of chromic acid.
Upstream & downstream products
Upstream raw materials
Suppliers2 total
青岛海智微元生物科技有限公司18317699790 18317699790 · [email protected]
Shaanxi Didu New Materials Co. Ltd+86-86-17392712779 +86-13289823923 · [email protected]
Related reactions
1 records
Compound notes
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