Skip to Content
Merck

Key Documents

View All Documentation

A7210

Aluminum potassium sulfate dodecahydrate

BioXtra, ≥98.0%

Synonym(s):

Alum, Potassium alum, Potassium aluminum sulfate dodecahydrate

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Linear Formula:
AlK(SO4)2 · 12H2O
CAS Number:
7784-24-9
Molecular Weight:
474.39
NACRES:
NA.25
PubChem Substance ID:
24891189
UNSPSC Code:
12161700
EC Number:
233-141-3
MDL number:
MFCD00149143
Assay:
≥98.0%
Form:
powder
Solubility:
H2O: 0.5 M, clear, colorless
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

product line

BioXtra

Quality Level

200

assay

≥98.0%

form

powder

impurities

≤0.0005% Phosphorus (P), ≤0.005% Insoluble matter

mp

92 °C (lit.)

solubility

H2O: 0.5 M, clear, colorless

density

1.757 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤0.0005%

cation traces

Ca: ≤0.0005%, Cu: ≤0.0005%, Fe: ≤0.001%, Mg: ≤0.005%, NH4+: ≤0.005%, Na: ≤0.02%, Pb: ≤0.001%, Zn: ≤0.0005%

SMILES string

O.O.O.O.O.O.O.O.O.O.O.O.[Al+3].[K+].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O

InChI

1S/Al.K.2H2O4S.12H2O/c;;2*1-5(2,3)4;;;;;;;;;;;;/h;;2*(H2,1,2,3,4);12*1H2/q+3;+1;;;;;;;;;;;;;;/p-4

InChI key

GNHOJBNSNUXZQA-UHFFFAOYSA-J

Still not finding the right product?

Explore all of our products under Aluminum potassium sulfate dodecahydrate

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
0000466049
0000466049
0000364213
0000364212
0000364213

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Upasana Ray et al.
Science translational medicine, 7(306), 306ra151-306ra151 (2015-09-25)
JC polyomavirus (JCV) persistently infects the urinary tract of most adults. Under conditions of immune impairment, JCV causes an opportunistic brain disease, progressive multifocal leukoencephalopathy (PML). JCV strains found in the cerebrospinal fluid of PML patients contain distinctive mutations in
K Yadava et al.
Allergy, 69(10), 1333-1342 (2014-06-26)
Thymic stromal lymphopoietin (TSLP) is a cytokine primarily produced by epithelial cells, which has been shown to be a potent inducer of T-helper 2 (Th2)-type responses. However, TSLP has pleiotropic effects upon immune cells, and although extensively studied in the
Rebecca R Pompano et al.
Advanced healthcare materials, 3(11), 1898-1908 (2014-06-14)
Epitope content plays a critical role in determining T-cell and antibody responses to vaccines, biomaterials, and protein therapeutics, but its effects are nonlinear and difficult to isolate. Here, molecular self-assembly is used to build a vaccine with precise control over
View All Related Papers