Product name: Sodium polyacrylate
No.:F04
CAS NO.:9003-04-7
Alias: Polyacrylic acid sodium salt; Sodiumpolyacrylateinwater; Poly(acrylate sodium) (15% Aq.); Polyacrylatesodiumsolid; PolyacrylatesodiumAq; Poly(acrylate sodium); Polyacrylic Acid Sodium (PAAS); PAAS
Molecular formula: (C3H3NAO2)N
Molecular weight: General 10-10 orders of magnitudes
Density: 1.32g/mLat 25°C[2]
Refractive index: n20/D 1.43
Item/Items | Specification |
Identifcation | 1) Chemical reaction with MgSO4 forms white precipitate.
2) Residue on ignition reacts as sodium salts |
Viscosity | 800-1500mPa.s(0.2% aqueous solution, 25℃, 2# rotor, 30rpm) |
Free alkali | NO Treact with phenolphthalin |
Sulfate Ulfate (in MgSO4) | ≤0.5% |
Loss on drying (120℃，4h) | ≤10% |
Ignition residue | ≤76% |
Heavy metals (in Pb) | ≤0.001% |
Arsenic (in AS2O3) | ≤0.0002% |
Residual monomers | ≤1% |
Low polymer (DP< 1000) | ≤5% |