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1.01217

Supelco

Ammonium sulfate

for analysis EMSURE® ACS,ISO,Reag. Ph Eur

Synonym(s):

Mascagnite

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About This Item

Linear Formula:
(NH4)2SO4
CAS Number:
Molecular Weight:
132.14
MDL number:
UNSPSC Code:
12352301
EC Index Number:
231-984-1
NACRES:
NA.21

grade

ACS reagent

Quality Level

Agency

reag. ISO
reag. Ph. Eur.

vapor pressure

<1 Pa ( 25 °C)

product line

EMSURE®

Assay

≥99.5% (alkalimetric)

form

solid

potency

2840 mg/kg LD50, oral (Rat)

impurities

≤0.001% Insoluble matter

ign. residue

≤0.005% (as sulfate)

loss

≤0.1% loss on drying, 105 °C

pH

5 (100 g/L in H2O)

mp

>280 °C (dec.) (lit.)

solubility

754-764 g/L

density

1.77 g/mL at 25 °C (lit.)

bulk density

850 kg/m3

anion traces

chloride (Cl-): ≤0.0003%
nitrate (NO3-): ≤0.001%
phosphate (PO43-): ≤0.0005%

cation traces

Al: ≤0.000075%
As: ≤0.00002%
Ca: ≤0.001%
Cd: ≤0.0001%
Cr: ≤0.000075%
Cu: ≤0.0002%
Fe: ≤0.0002%
Mg: ≤0.0005%
Pb: ≤0.0002%
Zn: ≤0.0001%
heavy metals: ≤0.0005%
heavy metals (as Pb): ≤0.0005%

storage temp.

2-30°C

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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Analysis Note

Assay (alkalimetric): ≥ 99.5 %
Insoluble matter: ≤ 0.001 %
pH-value (5 %; water, 25 °C): 5.0 - 6.0
Chloride (Cl): ≤ 0.0003 %
Nitrate (NO₃): ≤ 0.001 %
Phosphate (PO₄): ≤ 0.0005 %
Heavy metals (ACS): ≤ 0.0005 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.000075 %
As (Arsenic): ≤ 0.00002 %
Ca (Calcium): ≤ 0.001 %
Cd (Cadmium): ≤ 0.0001 %
Cr (Chromium): ≤ 0.000075 %
Cu (Copper): ≤ 0.0002 %
Fe (Iron): ≤ 0.0002 %
Mg (Magnesium): ≤ 0.0005 %
Pb (Lead): ≤ 0.0002 %
Zn (Zinc): ≤ 0.0001 %
Residue on ignition (as sulfate): ≤ 0.005 %
Loss on Drying (105 °C): ≤ 0.1 %
Corresponds to ACS,ISO,Reag. Ph Eur

Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

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