432784

Sodium Polyacrylate

cross-linked

• Synonyme(s) : Poly(acrylic acid), partial sodium salt-graft-poly(ethylene oxide), 2-propenoic acid, homopolymer, sodium salt
• Numéro CAS: 27599-56-0
• Numéro MDL: MFCD00217697
• Code UNSPSC : 12162002
• Nomenclature NACRES : NA.23

Propriétés

• Forme: powder (Free-flowing granular)
• Réticulation: cross-linked
• Taille des particules: 90-850 μm
• Densité: 0.54 g/mL at 25 °C (lit.)
• InChI: 1S/C3H4O2.Na/c1-2-3(4)5;/h2H,1H2,(H,4,5);/q;+1/p-1
• Clé InChI: NNMHYFLPFNGQFZ-UHFFFAOYSA-M

Description

Description générale

Sodium Polyacrylate (ASAP) is an acrylic sodium salt based hydrophilic polymer with carbonyl and sodium as major groups present in the structure. Both groups facilitate the polymeric chain with absorption potential. It can be used as a superabsorbent material as, in the presence of a liquid, the ASAP chain swells and forms a gel substance.

Application

Absorbent for aqueous-based spills. Retention and slow release aid for water.

Caractéristiques et avantages

Superabsorbent polymer. Absorbs many times its weight of aqueous fluids.
Absorbs aqueous fluids to give gels which retain fluids under stress. Polymer swells in water but does not dissolve. Amount of aqueous fluid absorbed decreases with increasing salt content.

Informations sur la sécurité

• Pictogrammes: GHS07
• Mention d'avertissement: Warning
• Mentions de danger: H315,H319,H335
• Conseils de prudence: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Classification des risques: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Organes cibles: Respiratory system
• Code de la classe de stockage: 11 - Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 3
• Équipement de protection individuelle: dust mask type N95 (US), Eyeshields, Gloves