CAS 9003-04-7 Poly(acrylic acid sodium salt)

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Poly(acrylic acid sodium salt)

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Catalog Number

ACM9003047-8

CAS Number

9003-04-7

Product Name

Poly(acrylic acid sodium salt)

Structure

Category

Hydrophilic Polymers; Self-Assembly Materials

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

Poly(acrylic acid sodium salt) serves as an indispensable tool in numerous industrial and consumer applications, primarily due to its remarkable capacity to absorb and retain water. As an organic sodium salt macromolecule, it is comprised of repeating sodium acrylate units, enabling it to soak up 200 to 300 times its weight in water, making it highly effective for managing aqueous-based spills. Furthermore, this polymer acts as a crucial aid in the retention and slow release of water. Beyond its function as an absorbent, Poly(acrylic acid sodium salt) finds widespread use as a sequestering agent in detergents, where it enhances the effectiveness of surfactants by binding hard water elements like calcium and magnesium. This versatility stems from its structure as an anionic polyelectrolyte, featuring negatively charged carboxylic groups along its main chain. While the sodium neutralized form is prevalent in industry, variations utilizing potassium, lithium, and ammonium salts also exist, further broadening its range of applications.

Complexity

59.8

Covalently-Bonded Unit Count

EC Number

231-209-7;618-349-8;619-104-8;925-839-8

Exact Mass

94.003074g/mol

Formal Charge

Heavy Atom Count

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

UNII

7C98FKB43H

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