101771  Aluminium potassium sulfate dodecahydrate

KAl(SO₄)₂.12H₂O

Potassium aluminium sulfate, Alum potassium, Potassium alum

CAS-No. 7784-24-9 EC-No. 233-141-3 HS-No. 28333010

M = 474.39 g/mol Spec. density 1.75 g/cm^3­ (20 °C)

Melting point 92.5 °C

Aluminium potassium sulfate dodecahydrate  AR

Specification  GB/T 1275-1994

Assay

>=99.5%

pH-value(50g/L,25°C)

3.0~3.5

Clarity of solution

Pass

Insoluble matter in water

<=0.005%

Chloride (Cl)

<=0.0005%

Ammonium(NH₄)

<=0.005%

Arsenic(As)

<=0.00005%

Sodium(Na)

<=0.02%

Iron(Fe)

<=0.001%

Heavy metals(as Pb)

<=0.0005%

Ord.No.

Packaging

Quantity

1.01771.010

Plastic bottle

500g

Aluminium potassium sulfate dodecahydrate  CP

Specification  GB/T 1275-1994

Assay

>=99.0%

pH-value(50g/L,25°C)

3.0~3.5

Clarity of solution