Product Name

  • Name

    Chromichydroxide

  • EINECS 215-158-8
  • CAS No. 1308-14-1
  • Density 1.36[at 20℃]
  • Solubility insoluble H2O; soluble dilute mineral acids when freshly prepared [MER06]
  • Melting Point
  • Formula H6CrO3
  • Boiling Point 100 °C at 760 mmHg
  • Molecular Weight 102.95
  • Flash Point
  • Transport Information
  • Appearance
  • Safety
  • Risk Codes
  • Molecular Structure Molecular Structure of 1308-14-1 (Chromichydroxide)
  • Hazard Symbols
  • Synonyms Chromichydroxide;12134-12-2;chromium(3+) trihydroxide;Chromium(VI) hydroxide;CHROMIC HYDROXIDE [MI];AKOS025310801;FT-0623787;J-005883;CHROMIUM (III) HYDROXIDE N-HYDRATE
  • PSA 60.69000
  • LogP -0.53040

Chromium trihydroxide Consensus Reports

IARC Cancer Review: Group 3 IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 49 , 1990,p. 49.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Human Inadequate Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 49 , 1990,p. 49.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) ; Animal Inadequate Evidence IMEMDT    IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man . 49 , 1990,p. 49.(World Health Organization, Internation Agency for Research on Cancer,Lyon, France.: ) (Single copies can be ordered from WHO Publications Centre U.S.A., 49 Sheridan Avenue, Albany, NY 12210) . Reported in EPA TSCA Inventory.

Chromium trihydroxide Standards and Recommendations

OSHA PEL: CL 0.1 mg(CrO3)/m3
ACGIH TLV: TWA 0.05 mg(Cr)/m3; Confirmed Human Carcinogen
NIOSH REL: (Chromium(VI)) TWA 0.001 mg(Cr)/m3

Chromium trihydroxide Analytical Methods

For occupational chemical analysis use NIOSH: Chromium Hexavalent 7024.

Chromium trihydroxide Specification

The Chromium trihydrate, with the CAS registry number 1308-14-1, is also known as Chromic oxide gel. It belongs to the product category of Inorganics. Its EINECS registry number is 215-158-8. This chemical's molecular formula is H3CrO3 and molecular weight is 103.0181. Its systematic name is called chromium(3+) trihydroxide. What's more, this chemical's classification code is Tumor data. This chemical should be kept in a dry, well-ventilated place away from foodmaterial.

Physical properties of Chromium trihydrate: (1)ACD/LogP: -1.38; (2)ACD/LogD (pH 5.5): -1.38; (3)ACD/LogD (pH 7.4): -1.38; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)#H bond acceptors: 1; (7)#H bond donors: 2; (8)Enthalpy of Vaporization: 40.65 kJ/mol; (9)Boiling Point: 100 °C at 760 mmHg; (10)Vapour Pressure: 24.5 mmHg at 25°C.

Preparation of Chromium trihydrate: this chemical can be prepared by reduction of formaldehyde. This reaction will need sodium dichromate and sulfuric acid with formaldehyde as reducing agent. Reaction equation is as follows:

2Na2Cr2O7+3HCOH+2H2SO4+H2O→Cr(OH)3+3CO2+2Na2SO4

Uses of Chromium trihydrate: This chemical can be used for producing chromium salt, chromium chromium oxide and chemical reagents. In addition, it also can be used as pigments of paint and used in processing of wool.

You can still convert the following datas into molecular structure:
(1)SMILES: [Cr+3].[OH-].[OH-].[OH-]
(2)InChI: InChI=1/Cr.3H2O/h;3*1H2/q+3;;;/p-3
(3)InChIKey: VQWFNAGFNGABOH-DFZHHIFOAK

The toxicity data is as follows:

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
women TDLo oral 100mg/kg (100mg/kg) GASTROINTESTINAL: NAUSEA OR VOMITING

BLOOD: NORMOCYTIC ANEMIA
Nephron. Vol. 22, Pg. 592, 1978.

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