NAVIGATION


Sodium Polyacrylate

Catalog Number
ACMA00017187
Product Name
Sodium Polyacrylate
Category
Polymers
Description
Liquid;Liquid;WHITE POWDER WITH CHARACTERISTIC ODOUR.
IUPAC Name
sodium;prop-2-enoate
Molecular Weight
94.04g/mol
Molecular Formula
(C3H3O2)nбдNa;C3H3NaO2
Canonical SMILES
C=CC(=O)[O-].[Na+]
InChI
InChI=1S/C3H4O2.Na/c1-2-3(4)5;/h2H,1H2,(H,4,5);/q;+1/p-1
InChI Key
NNMHYFLPFNGQFZ-UHFFFAOYSA-M
Melting Point
>300 °C
Density
1.1 - 1.4 g/cm³
Solubility
Solubility in water: good
Application
Sodium polyacrylate serves as a highly effective absorbent, capable of retaining 200 to 300 times its mass in water, making it ideal for managing aqueous-based spills. This organic sodium salt is composed of repeating sodium acrylate units and functions as a retention and slow-release aid for water. Known for its broad range of applications, sodium polyacrylate is extensively used in consumer products due to its unique ability as an anionic polyelectrolyte with negatively charged carboxylic groups along its main chain. Beyond its primary use in absorbing and retaining moisture, sodium polyacrylate also acts as a sequestering agent in detergents. It binds to hard water elements like calcium and magnesium, enhancing the effectiveness of surfactants. While sodium neutralized forms are predominant in industry, variants such as potassium, lithium, and ammonium salts also exist, offering diverse applications across commercial and industrial sectors.
Complexity
59.8
Covalently-Bonded Unit Count
2
EC Number
231-209-7;618-349-8;619-104-8;925-839-8
Exact Mass
94.003074g/mol
Formal Charge
0
Heavy Atom Count
6
ICSC Number
1429
MeSH Entry Terms
acrylic acid, polymers;carbomer 934p;carbomer 940;carbomer homopolymer type c (allyl pentaerythritol crosslinked);carbomer-934; cavity conditioner;GC Conditioner;HIVISWAKO 105;PAA170;PAA20 cpd;PAA60 cpd;poly(acrylic acid);poly(sodium acrylate);polyacrylate sodium;polyacrylic acid;sodium polyacrylate
Monoisotopic Mass
94.003074g/mol
Rotatable Bond Count
1
UNII
7C98FKB43H
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