Ammonium sulfate

InChI key

BFNBIHQBYMNNAN-UHFFFAOYSA-N

InChI

1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)

product line

BioXtra

assay

≥99.0%

form

powder or crystals

impurities

Insoluble matter, passes filter test

ign. residue

<0.01% (as SO₄)

loss

≤1.0% loss on drying, 110°C

pH

5.0-6.0 (20 °C, 1 M in H₂O)

mp

>280 °C (dec.) (lit.)

solubility

H₂O: 1 M, clear, colorless

density

1.77 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^-): ≤0.001%, nitrate (NO₃^-): ≤0.001%, phosphate (PO₄^3-): ≤0.0005%

cation traces

Al: ≤0.0005%, As: ≤0.0001%, Ba: ≤0.0005%, Bi: ≤0.0005%, Ca: ≤0.001%, Cd: ≤0.0001%, Co: ≤0.0005%, Cr: ≤0.0005%, Cu: ≤0.0002%, Fe: ≤0.0002%, K: ≤0.005%, Li: ≤0.0005%, Mg: ≤0.0005%, Mn: ≤0.0005%, Mo: ≤0.0005%, Na: ≤0.005%, Ni: ≤0.0005%, Pb: ≤0.0002%, Sr: ≤0.0005%, Zn: ≤0.0001%

absorption

≤0.030 at 280 in H₂O at 1 M, ≤0.037 at 260 in H₂O at 1 M

Quality Level

200