Sodium Polyacrylate

(C₃H₃NaO₂)ₙ

IUPAC: Poly(sodium acrylate)

CAS: 9003-04-7

Overview

Sodium polyacrylate is a superabsorbent polymer that can absorb 300-800 times its weight in water. It is the key material in disposable diapers.

Composition

Element Symbol Atoms Atomic Mass
Hydrogen H 3 1.0080
Carbon C 3 12.0110
Oxygen O 2 15.9990
Sodium Na 1 22.9900

Elemental Composition

H
Hydrogen ×3
3.2%
C
Carbon ×3
38.3%
O
Oxygen ×2
34.0%
Na
Sodium ×1
24.4%

Uses

  • • Disposable diaper absorbent
  • • Soil moisture retention
  • • Flood control sandbags
  • • Cable water blocking

Fun Facts

  • ✦ A single diaper contains about 4-8 grams of this polymer, absorbing up to 800 times its weight

Properties

Type
polymer
State
solid
Molar Mass
94.04 g/mol
Solubility
absorbs water

Related Compounds

Cellulose

(C₆H₁₀O₅)ₙ

Epoxy Resin DGEBA

C₂₁H₂₄O₄

Kevlar

(C₁₄H₁₀N₂O₂)ₙ

Nomex

(C₁₄H₁₀N₂O₂)ₙ

Nylon-6,6

(C₁₂H₂₂N₂O₂)ₙ

Phenol-Formaldehyde Resin

(C₇H₆O₂)ₙ

Polyacrylonitrile

(C₃H₃N)ₙ

Polycarbonate

(C₁₆H₁₄O₃)ₙ

Polyethylene

(C₂H₄)ₙ

Polyethylene Terephthalate

(C₁₀H₈O₄)ₙ

Frequently Asked Questions

What is Sodium Polyacrylate?
Sodium Polyacrylate ((C₃H₃NaO₂)ₙ) is a polymer compound with the IUPAC name Poly(sodium acrylate).
What is the molecular weight of Sodium Polyacrylate?
Sodium Polyacrylate has a molar mass of 94.04 g/mol.
What state is Sodium Polyacrylate at room temperature?
Sodium Polyacrylate is a solid at room temperature.
Is Sodium Polyacrylate organic or inorganic?
Sodium Polyacrylate is classified as an inorganic compound.
What elements make up Sodium Polyacrylate?
Sodium Polyacrylate ((C₃H₃NaO₂)ₙ) is composed of Hydrogen (H), Carbon (C), Oxygen (O), Sodium (Na).