次亚磷酸钠,又称次亚磷酸钠,是次磷酸的钠盐。它用作还原剂,可用于在水溶液中将金属盐还原成金属。它还被用作多相催化转移还原中的氢源。
puriss.
98-101%
powder or crystals
meets analytical specification of BPC63
≤0.001% heavy metals (as Pb)≤0.2% free alkali (as CaO)
≤1% loss on drying, 105 °C, 2 h
water: soluble 909 g/L at 30 °C
1.77 g/cm3 at 20 °C
chloride (Cl-): ≤200 mg/kgsulfate (SO42-): ≤200 mg/kg
As: ≤2 mg/kgFe: ≤10 mg/kg
[Na+].[O-][PH2]=O
1S/Na.H3O2P/c;1-3-2/h;3H2,(H,1,2)/q+1;/p-1
SIGUVTURIMRFDD-UHFFFAOYSA-M
13 - Non Combustible Solids
WGK 2