Basic information
- Name:
Cupric oxide
- CAS No.:
1317-38-0
- Molecular Structure:
- Formula:
- CuO
- Molecular Weight:
- 79.54
- Deleted CAS:
- 185461-92-1
- Synonyms:
- BYK-LP x20704;Banacobru OL;C.I. 77403;C.I. Pigment Black 15;Coopers Permatrace Copper;Copacaps;Coppermonoxide;Copper monoxide (CuO);Copper oxide (Cu4O4);Copper(2+)oxide;Copper(II) oxide (CuO);Copporal;ET;N120;N 120 (oxide);N 520;NSC 83537;NanoActive CuO;Nanotek CuO;Copper(Ⅱ)oxide wire;Copper oxide (CuO);
- EINECS:
- 215-269-1
- Density:
- 6.315 g/cm3
- Melting Point:
- 1326 ºC
- Solubility:
- insoluble in water
- Appearance:
- black crystalline powder
- Hazard Symbols:
Xi,
Xn- Risk Codes:
- 22-37
- Safety Description:
- 22-36 Details
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Chemistry
The Molecular Structure of Cupric oxide (CAS NO.1317-38-0):
Empirical Formula: CuO
Molecular Weight: 79.5454
IUPAC: oxocopper
Nominal Mass: 79 Da
Average Mass: 79.5454 Da
Monoisotopic Mass: 78.924516 Da
Melting Point: 1326°C
Density: 6.315
refractive index: 2.63
Water Solubility: insoluble
Appearance: Black fine free powder
Stability: Stable. Incompatible with reducing agents, hydrogen sulfide, aluminium, alkali metals, finely powdered metals.
Product Categories: Inorganics;Catalysis and Inorganic Chemistry;Chemical Synthesis;Copper;CopperMetal and Ceramic Science;Oxides
Synonyms: Banacobru ol ; c.i. pigment black 15 ; Chrome brown ; Copper monooxide ; Copper oxide (cuo) ; Copperoxide(cuo) ; Cuo ; Precipitated cupric oxide
Uses
Cupric oxide (CAS NO.1317-38-0) is mainly used as fungicide. Also it's a trace mineral added to animal feeds.
Toxicity Data With Reference
1、RTECS#: CAS# 1317-38-0: GL7900000
2、LD50/LC50: RTECS: CAS# 1317-38-0: Oral, rat: LD50 = 470 mg/kg;
3、Carcinogenicity: Copper(II) oxide - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
4、Other: The toxicological properties have not been fully investigated. See actual entry in RTECS for complete information. Mutagenicity: Ames-test: negative.
Consensus Reports
Copper and its compounds are on the Community Right-To-Know List.
Safety Profile
Hazard Codes: 
XiXn
Risk Statements: 22-37
R22: Harmful if swallowed
R37: Irritating to respiratory system
Safety Statements: 22-36
S22: Do not breathe dust
S36: Wear suitable protective clothing
WGK Germany: 1
RTECS: GL7900000
HS Code: 28255000
Poison by intratracheal route. Explodes when heated with powdered aluminum; anilinium perchlorate; hydrogen; magnesium; phthalic anhydride. Ignites on contact with dichloromethylsilane; hydrogen sulfide; hydrogen trisulfide. Incandescent reaction when heated with boron; rubidium acetylide (at 350°C); potassium; sodium; phospham.
Standards and Recommendations
ACGIH TLV: TWA (fume) 0.2 mg/m3; (dust, mist) 1 mg(Cu)/m3
Analytical Methods
For occupational chemical analysis use NIOSH: Copper, 7029.
Specification
1、Fire Fighting Measures of Cupric oxide (1317-38-0)
General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam.
2、Handling and Storage of Cupric oxide (1317-38-0)
Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Avoid ingestion and inhalation.
Storage: Store in a cool, dry place. Store in a tightly closed container.