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A2939

Sigma-Aldrich

Ammonium sulfate

BioXtra, ≥99.0%

Synonym(s):
Mascagnite
Linear Formula:
(NH4)2SO4
CAS Number:
Molecular Weight:
132.14
EC Number:
MDL number:
eCl@ss:
38030408
PubChem Substance ID:
NACRES:
NA.25

Quality Level

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 (PO43-): ≤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

SMILES string

N.N.OS(O)(=O)=O

InChI

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

InChI key

BFNBIHQBYMNNAN-UHFFFAOYSA-N

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Application

Ammonium sulfate has been used as an additive in salting-out procedure to prepare the g-globulin fraction. It is also used as a component in synthetic minimal dextrose (SD) liquid medium.

Packaging

1 kg in poly bottle
100, 500 g in poly bottle

Biochem/physiol Actions

Ammonium sulfate ((NH4)2SO4) is mainly used as a soil fertilizer. It is also used as a wood preservative. This inorganic salt plays a role in flame retardant chemicals.

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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