Ammonium alum

Detailed Description:
Molecular Formula: AINH₄(SO₄)2·12H₂O
Properties: Colorless glassy octahedral crystals to white granules or powder, odorless with a slightly sweet taste, strongly astringent.
Uses: Baking powder processing, fried foods, jellyfish curing, noodle processing, fruit and vegetable preservation and crispness maintenance, color protection, water purification and environmental protection, disinfection, rubber processing, leather making, detergent processing, feed processing, pencil manufacturing.
Features: High whiteness, high fineness, high content, long-term non-caking, providing convenience for user processing and manufacturing.
Executive Standard: This product complies with the latest standard HG2917-1999
Packaging: 50 kg, 25 kg; export packaging according to customer-provided marks (woven bags with inner plastic bags)
Can process different powder fineness and lump sizes based on customer requirements.

Item Name	Unit	Standard Requirement	Test Result
Ammonium Aluminum Sulfate Content	%	≥99.3-100.5	99.5
Moisture	%	≤4.0	3.0
Water Insoluble Matter Content	%	≤0.20	0.17

Chinese Alias:; Ammonium Alum; Aluminum Ammonium Sulfate; Ammonium Alum;
English Name: Sulfuric acid, aluminum ammonium salt (2:1:1)
English Alias: Aluminium ammonium sulfate; Ammonium Aluminum Sulfate; aluminum ammonium sulfate hydrate (1:1:2:12); aluminum ammonium disulfate;
EINECS Number: 232-055-3
Molecular Formula: H4AlNO8S2
Molecular Weight: 237.1452
InChI: InChI=1/Al.H3N.2H2O4S/c;;2*1-5(2,3)4/h;1H3;2*(H2,1,2,3,4)/q+3;;;/p-3
Melting Point: 93.5°C Boiling Point: 330°C at 760 mmHg Water Solubility: 15g/100ml Relative Density: 1.64
Physical and Chemical Properties: Appearance Colorless transparent cubic crystals or white granular powder. Odorless, astringent taste.
Solubility: Slightly soluble in water, solubility 15g/100ml water at 20°C, easily soluble in hot water, aqueous solution is acidic. Soluble in dilute acids and glycerol, insoluble in alcohol.