Sodium Chromate

Na₂CrO₄

IUPAC: Sodium chromate

CAS: 7775-11-3

Visão geral

Sodium chromate is a bright yellow salt and powerful oxidizer used in corrosion inhibition, leather tanning, and as a chromium source in chemical synthesis.

Composição

Elemento Símbolo Átomos Massa atômica
Oxygen O 4 15,9990
Sodium Na 2 22,9900
Chromium Cr 1 51,9960

Composição elemental

O
Oxygen ×4
39,5%
Na
Sodium ×2
28,4%
Cr
Chromium ×1
32,1%

Usos

  • • Corrosion inhibitor
  • • Leather tanning
  • • Pigment production
  • • Analytical chemistry

Curiosidades

  • ✦ Hexavalent chromium compounds were the subject of the Erin Brockovich case

Segurança

  • ⚠ Carcinogen (Cr(VI))
  • ⚠ Toxic
  • ⚠ Environmental hazard

Structure

SMILES

[O-][Cr](=O)(=O)[O-].[Na+].[Na+]

Propriedades

Tipo
salt
Estado
solid
Massa molar
161,97 g/mol
Densidade
2,7230 g/cm³
Ponto de fusão
792,0 °C
Solubilidade
873 g/L at 30°C

Molecular Descriptors

Exact Mass
161,8997
TPSA
80,3 Ų
H-Bond Donors
0
H-Bond Acceptors
4
Rotatable Bonds
0
Heavy Atoms
7
Complexity
62,0

Compostos relacionados

Diammonium Phosphate

(NH₄)₂HPO₄

Ammonium Chloride

NH₄Cl

Barium Chloride

BaCl₂

Cadmium Sulfide

CdS

Calcium Sulfate

CaSO₄

Cerium(III) Chloride

CeCl₃

Copper(II) Sulfide

CuS

Ammonium Sulfate

(NH₄)₂SO₄

Ammonium Bicarbonate

NH₄HCO₃

Calcium Propionate

Ca(C₂H₅COO)₂

Frequently Asked Questions

What is Sodium Chromate?
Sodium Chromate (Na₂CrO₄) is a salt compound with the IUPAC name Sodium chromate.
What is the molecular weight of Sodium Chromate?
Sodium Chromate has a molar mass of 161.97 g/mol.
What state is Sodium Chromate at room temperature?
Sodium Chromate is a solid at room temperature.
Is Sodium Chromate organic or inorganic?
Sodium Chromate is classified as an inorganic compound.
What elements make up Sodium Chromate?
Sodium Chromate (Na₂CrO₄) is composed of Oxygen (O), Sodium (Na), Chromium (Cr).