aluminium ammonium sulphate dodecahydrate 98% ar

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Six brown glass bottles of varying sizes with white labels and black or white caps, containing Trichloroacetic Acid 99% AR from Chemoxy, are arranged in a row on a gray background.

Two brown glass bottles labeled "Chloroform 99.8% for HPLC" with hazard symbols, placed side by side on a neutral gray background.

Three dark brown bottles with red caps and Chemnovatic labels contain hydrochloric acid, nitric acid, and sulfuric acid, arranged side by side on a gray background.

Specification

Description

Ammonium Alum; Ammonium Aluminium Sulphate

CAS	7784-26-1
Molecular Formula	NH4AI(SO4)2.12H2O
Molecular Weight	453.32
Shelf Life	60 Months

Physical Properties
Physical State at 20 °C	Solid	Colour	White powder
Odour	Odorless	pH Value	2.6
Melting Point/ Freezing Point [°C]	93.5 °C	Boiling Point [°C]	280°C
Density [g/cm3]	1.65	Solubility in Water [% weight]	14% in water

Specifications
Appearance	White crystalline powder	Assay	98-102%
Phosphate (Po4)	Max 0.0025%	Insoluble Matter	Max 0.005%
Reaction	Not less than pH 3.0	Chloride (Cl)	Max 0.001%
Nitrate (No3)	Max 0.001%	Silicate (Sio3)	Max 0.002%
Arsenic (As)	Max 0.00005%	Copper (Cu)	Max 0.0005%
Iron (Fe)	Max 0.001%	Heavy Metal (As Pb)	Max 0.001%
Calcium (Ca)	Max 0.05%	Potassium (K)	Max 0.05%
Sodium (Na)	Max 0.01%

Dangerous Goods Information
UN Number	–	DG Class	–

Safety Information & Hazard Symbols
Symbol	GHS07
Signal Word	Warning
Hazard Statement	H315-H319-H335
Precaution Statement	P261-P305 + P351 + P338

aluminium ammonium sulphate dodecahydrate 98% ar

SKU C00116-00500-HS Category Chemicals