Sodium Chromate

Na₂CrO₄

IUPAC: Sodium chromate

CAS: 7775-11-3

概要

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

組成

元素 記号 原子 原子質量
Oxygen O 4 15.9990
Sodium Na 2 22.9900
Chromium Cr 1 51.9960

元素組成

O
Oxygen ×4
39.5%
Na
Sodium ×2
28.4%
Cr
Chromium ×1
32.1%

用途

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

豆知識

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

安全性

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

Structure

SMILES

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

特性

タイプ
salt
状態
solid
モル質量
161.97 g/mol
密度
2.7230 g/cm³
融点
792.0 °C
溶解度
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

関連化合物

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).