Sodium Phosphate Tribasic

Na₃PO₄

IUPAC: Trisodium phosphate

CAS: 7601-54-9

概述

Trisodium phosphate (TSP) is a powerful cleaning agent and degreaser. It was once common in household detergents before environmental regulations limited its use.

组成

元素 符号 原子 原子质量
Oxygen O 4 15.9990
Sodium Na 3 22.9900
Phosphorus P 1 30.9740

元素组成

O
Oxygen ×4
39.0%
Na
Sodium ×3
42.1%
P
Phosphorus ×1
18.9%

用途

  • • Industrial cleaner
  • • Degreaser
  • • Food additive (E339)
  • • Flux for soldering

趣味知识

  • ✦ Phosphate detergent bans helped reduce lake eutrophication worldwide

安全性

  • ⚠ Irritant
  • ⚠ Corrosive at high concentrations

Structure

SMILES

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

属性

类型
salt
状态
solid
摩尔质量
163.94 g/mol
密度
2.5360 g/cm³
熔点
1583.0 °C
溶解度
120 g/L at 25°C

Molecular Descriptors

Exact Mass
163.9227
TPSA
86.3 Ų
H-Bond Donors
0
H-Bond Acceptors
4
Rotatable Bonds
0
Heavy Atoms
8
Complexity
36.0

相关化合物

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 Phosphate Tribasic?
Sodium Phosphate Tribasic (Na₃PO₄) is a salt compound with the IUPAC name Trisodium phosphate.
What is the molecular weight of Sodium Phosphate Tribasic?
Sodium Phosphate Tribasic has a molar mass of 163.94 g/mol.
What state is Sodium Phosphate Tribasic at room temperature?
Sodium Phosphate Tribasic is a solid at room temperature.
Is Sodium Phosphate Tribasic organic or inorganic?
Sodium Phosphate Tribasic is classified as an inorganic compound.
What elements make up Sodium Phosphate Tribasic?
Sodium Phosphate Tribasic (Na₃PO₄) is composed of Oxygen (O), Sodium (Na), Phosphorus (P).