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Merck

AX1385

Ammonium sulfate

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Synonym(s):

Mascagnite

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About This Item

Linear Formula:
(NH4)2SO4
CAS Number:
Molecular Weight:
132.14
UNSPSC Code:
12352301
EC Index Number:
231-984-1
MDL number:
assay:
≥99.0%
grade:
ACS reagent
form:
crystals
solubility:
754-764 g/L

Product Name

Ammonium sulfate, Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

InChI

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

SMILES string

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

InChI key

BFNBIHQBYMNNAN-UHFFFAOYSA-N

grade

ACS reagent

agency

meets USP/NF

vapor pressure

<1 Pa ( 25 °C)

assay

≥99.0%

form

crystals

impurities

≤0.005% Insoluble matter

ign. residue

≤0.005%

color

white

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.)

anion traces

chloride (Cl-): ≤5 ppm
nitrate (NO3-): ≤0.001%
phosphate (PO43-): ≤5 ppm

cation traces

Fe: ≤5 ppm
heavy metals: ≤5 ppm

shipped in

ambient

storage temp.

room temp

Quality Level

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Analysis Note

Assay99.0% minChloride (Cl)5ppm maxColorWhiteFormCrystalsHeavy Metals (by ICP-OES)5ppm maxInsoluble matter0.005% maxIron (Fe)5ppm maxNitrate (NO3)0.001% maxPhosphate (PO4)5ppm maxResidue after ignition0.005% maxpH of a 5% solution at 25°C5.0-6.0

Application

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

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