416029

Poly(acrylic acid, sodium salt) solution

average M_w ~8,000, 45 wt. % in H₂O

• Synonym(s): PAA, Sodium polyacrylate
• Linear Formula: [CH₂CH(CO₂Na)]_n
• CAS Number: 9003-04-7
• MDL number: MFCD00147949
• UNSPSC Code: 12162002
• PubChem Substance ID: 24866053
• NACRES: NA.23

Properties

• form: viscous liquid
• mol wt: average M_w ~8,000
• concentration: 45 wt. % in H₂O
• refractive index: n20/D 1.428
• density: 1.3 g/mL at 25 °C
• SMILES string: [Na]OC(=O)C=C
• InChI: 1S/C3H4O2.Na/c1-2-3(4)5;/h2H,1H2,(H,4,5);/q;+1/p-1
• InChI key: NNMHYFLPFNGQFZ-UHFFFAOYSA-M

Description

Application

• Poly(acrylic acid) Hydrogel for Mucoadhesives: This study focuses on the radiation crosslinking of poly(acrylic acid) to create a bioadhesive hydrogel, which can be crucial for drug delivery applications, especially in mucoadhesive drug delivery systems (YC Nho, JS Park, YM Lim, 2014).
• Hydrogel for Dye Removal: Development of a poly(acrylic acid) based hydrogel with fast adsorption rates and high capacity for removing cationic dyes, relevant for environmental cleanup and potentially for purifying biological fluids in pharmaceutical processes (Z Yuan, J Wang, Y Wang, Q Liu, Y Zhong, Y Wang, 2019).
• Composite Hydrogels for Swelling Properties: Investigation into poly(acrylic acid-co-acrylamide) composite hydrogels, studying their swelling properties which are essential for understanding the behavior of hydrogels used in drug delivery systems and tissue engineering (WM Cheng, XM Hu, YY Zhao, MY Wu, ZX Hu, XT Yu, 2017).

Safety Information

• Pictograms: GHS07
• Signal Word: Warning
• Hazard Statements: H319
• Precautionary Statements: P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2
• Storage Class Code: 10 - Combustible liquids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves