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CAS No 1308-14-1 , dichromium trioxide hydrate

  • Name: dichromium trioxide hydrate
  • Synonyms: chromic hydroxide; Chromium hydroxide;dichromium trioxide hydrate;
  • CAS Registry Number:
  • Flash Point: °C
  • Boiling Point: 100°Cat760mmHg
  • Density: g/cm3
  • Safety Statements: A confirmed carcinogen. A poison. A powerful oxidizer. A powerful irritant of skin, eyes, and mucous membranes.

    Analytical Methods:

       

    For occupational chemical analysis use NIOSH: Chromium Hexavalent 7024.

  • Flash Point: °C
  • EINECS: 215-158-8
  • Molecular Weight: 103.0181
  • InChI: InChI=1/Cr.3H2O/h;3*1H2/q+3;;;/p-3/rCrH3O3/c2-1(3)4/h2-4H
  • Molecular Formula: CrH3O3
  • Molecular Structure:CAS No:1308-14-1 dichromium trioxide hydrate

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1308-14-1 Chromium hydroxide

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1308-14-1 CHROMIUM (IC) HYDRATE

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1308-14-1 CHROMIC ACID

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References of dichromium trioxide hydrate
Title: Chromic Hydroxide
CAS Registry Number: 1308-14-1
CAS Name: Chromium hydroxide
Synonyms: chromic oxide gel; chromic oxide, hydrous
Molecular Formula: CrH3O3
Molecular Weight: 103.02
Percent Composition: Cr 50.47%, H 2.94%, O 46.59%
Line Formula: Cr(OH)3
Literature References: Occurs only as hydrates. Prepn: Ruthroff, Inorg. Synth. 2, 190 (1946); Hein, Herzog in Handbook of Preparative Inorganic Chemistry vol. 2, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1965) pp 1345-1346.
 
Derivative Type: Trihydrate
Molecular Formula: Cr(OH)3.3H2O
Molecular Weight: 157.06
Percent Composition: Cr 33.11%, O 61.12%, H 5.78%
Properties: Or Cr2O3.9H2O, blue-green powder. Practically insol in water. Sol in dil mineral acids when freshly prepd, giving blue or green soln; becomes insol in acids on aging. Cr(OH)3.nH2O, shining, vitrous, jet-black particles. Useful as catalyst in dehydrogenation of alcohols and paraffins, hydrogenation of olefins.
 
Use: As pigment; in tanning industry; as mordant; as catalyst for organic reactions.