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Home> Products > Metals and Minerals > Others > CAS DataBase Listed 7 > CAS 7440-50-8
7440-50-8 structure 3D

CAS 7440-50-8 products price,suppliers

  • Name: 3-ethyl-2-methyl-7-nitro-1H-indole
  • Molecular Weight: 63.55
  • Formula: C23H26O8S
  • Synonyms: Copper gauze, Woven from 0.056mm (0.0022 in.) dia. wire; Copper gauze, Woven from 0.23mm (0.009 in.) dia. wire; Copper rod, 19mm (0.8 in.) dia.; Copper rod, 9.5mm (0.4 in.) dia.; Copper sputtering target, 50.8mm (2.0 in.) dia. x 6.35mm (0.250 in.) thick; Copper standard solution, 1 mg/ml Cu in 2% HNO3;
  • Reddish brown metal; face-centered cubic crystal; density 8.92 g/cm3; Mohs hardness 2.5 to 3.0; Brinnel hardness 43 (annealed); electrical resistivity 1.71 microhm-cm at 25°C; Poisson's ratio 0.33; melts at 1,083°C; vaporizes at 2,567°C; insoluble in water; dissolves in nitric acid and hot sulfuric acid; slightly soluble in hydrochloric acid; also soluble in ammonium hydroxide, ammonium carbonate and potassium cyanide solutions. Copper is a reddish-brown metal which occurs free or in ores, su
Properties Safety and Handling MSDS Computational chemical data
Identification Safety Data
  • [Risk Codes]
  • R11:Highly Flammable
  • [Safety Statements]
  • S16:Keep away from sources of ignition - No smoking
  • Hazard Symbols:
  • HazardClass:4.1
Properties
  • Appearance:
  • Raddish powder
  • Molecular Weight:
  • 63.55
  • Density:
  • 1.062
  • Boiling Point:
  • 382°C at 760 mmHg
  • Melting Point:
  • 1083℃
  • Flash Point:
  • 284.3°C
  • Storage Temperature:
  • 2-8°C
  • Solubility:
  • Insoluble in water
  • Stability:
  • Stable. Incompatible with strong acids, active halogen compounds, chlorine, fluorine, iodine, bromine, ammonia. May react explosively with strong oxidizing agents.
  • More Properties>>
Question & Answer
  • What is the patina formed on copper pennies? I'm currently taking high school chemistry and I don't quite understand my results from my experiment. I had two pennies where both were put into a mixture of salt and vinegar. One of the pennies was dried and cleaned and the penny was like brand new. While the other penny Is left it in the mixture...more+ Sep 09 2021
  • Galvanic cell of copper and zinc When we dip zinc metal in zinc sulfate solution, does zinc sulfate ionize into Zn and sulfate ions? Zinc ions come into the solution as Zn + 2 " style="position: relative;" tabindex="0" id="MathJax-Element-2-Frame" class="MathJax" + 2 + 2 so why is the metal not completely dissociated? Why is zinc ...more+ Sep 09 2021
  • Why does copper and zinc connected by a wire in 6.0M NaOH become a galvanic cell? For an experiment I placed two electrodes of copper and zinc connected by a wire in 6.0M NaOH. According to standard reduction potentials, there should be no reaction; however, the copper becomes plated with zinc! There was also a measurable voltage across the two electrodes. The hypothesized react...more+ Sep 08 2021
  • Preventing silver tarnish with copper I am examining methods for storing silver bullion (both .999 fine and 90% silver) in such a way that it does not tarnish and want you to evaluate a suggested solution. I know there are commercial products intended to prevent or slow tarnish, such as cloth bags that are infused with silver particles...more+ Sep 04 2021
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High Quality CU CAS 7440-50-8 Copper Powder For Wholesale
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99.9%min Nano cu copper nano powder Cas No 7440-50-8
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