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Aluminum potassium sulfate dodecahydrate

SIGALD/237086 - ACS reagent, ≥98%

Synonym: Alum; Potassium alum; Potassium aluminum sulfate dodecahydrate

CAS Number: 7784-24-9
Empirical Formula (Hill Notation): AlKO8S2 · 12H2O
Molecular Weight: 474.39
EC Number: 233-141-3
MDL Number: MFCD00149143
Linear Formula: AlK(SO4)2 · 12H2O
Product Type: Chemical
Catalog Number PKG Qty. Price Quantity
45-237086-100G 100 g
 $62.70
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45-237086-500G 500 g
 $170.00
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45-237086-2.5KG 2.5 kg
 $603.00
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This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: 237086-100G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: 237086-500G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: 237086-2.5KG

 

anion traces chloride (Cl-): ≤5 ppm
assay ≥98%
  98.0-102.0% (ACS specification)
cation traces Fe: ≤0.001%
  heavy metals: ≤0.001% (by ICP)
  Na: ≤0.02%
  NH4+: ≤0.005%
density 1.757 g/mL at 25 °C (lit.)
form powder or crystals
grade ACS reagent
impurities ≤0.005% insolubles
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
mp 92 °C (lit.)
pH 3.3 (94.88 g/L)
Quality Level 200 
reaction suitability reagent type: catalyst
core: aluminum
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
Application: Aluminum potassium sulfate dodecahydrate has been used:
• to prepare Mayer′s hematoxylin solution for staining of lung sections and tibialis anterior muscle sections
• to sensitize experimental mice and establish the allergic rhinitis (AR) mouse model
• to stain mammary glands for its whole-mount analysis
Packaging: 100, 500 g in poly bottle
Packaging: 2.5 kg in poly bottle
RIDADR NONH for all modes of transport
WGK Germany WGK 1
Purity ≥98%; 98.0-102.0% (ACS specification)
mp 92 °C (lit.)
Density 1.757 g/mL at 25 °C (lit.)
UNSPSC 12352302

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