432784

Sodium Polyacrylate

cross-linked

• Sinonimo/i: Poly(acrylic acid), partial sodium salt-graft-poly(ethylene oxide), 2-propenoic acid, homopolymer, sodium salt
• Numero CAS: 27599-56-0
• Numero MDL: MFCD00217697
• Codice UNSPSC: 12162002
• NACRES: NA.23

Proprietà

• Livello qualitativo: 100
• Stato: powder (Free-flowing granular)
• Crosslinking: cross-linked
• Dimensione particelle: 90-850 μm
• Densità: 0.54 g/mL at 25 °C (lit.)
• Stringa SMILE: [Na+].[O-]C(=O)C=C
• InChI: 1S/C3H4O2.Na/c1-2-3(4)5;/h2H,1H2,(H,4,5);/q;+1/p-1; NNMHYFLPFNGQFZ-UHFFFAOYSA-M

Descrizione

Descrizione generale

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.

Applicazioni

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

Caratteristiche e vantaggi

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.

Informazioni sulla sicurezza

• Pittogrammi: GHS07
• Avvertenze: Warning
• Indicazioni di pericolo: H315,H319,H335
• Consigli di prudenza: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Classi di pericolo: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• Organi bersaglio: Respiratory system
• Codice della classe di stoccaggio: 11 - Combustible Solids
• Classe di pericolosità dell'acqua (WGK): WGK 3
• Dispositivi di protezione individuale: dust mask type N95 (US), Eyeshields, Gloves