Aluminium Sulphate Specification
| CAS NO. | 10043-01-3 |
| EINECS NO. | 233-135-0 |
| FORMULA | Al2(SO4)3 |
| MOL WT. | 342.14 |
| H.S. CODE | 2833.22 |
| SYNONYMS |
Alum; Aluminium sulphate; Aluminum Alum; Aluminum sulfate, anhydrous; Aluminum trisulfate Anhydrous; Cake Alum; Dialuminum sulfate; Sulfuric acid
|
| PHYSICAL STATE | white to off-white lump or powder |
| MELTING POINT | 770 C (Decomposes) |
| SPECIFIC GRAVITY | 2.7 |
| SOLUBILITY IN WATER | Soluble |
| pH | >2.9 (5% solution) |
| NFPA RATINGS | Health: 1; Flammability: 0; Reactivity: 0 |
| FLASH POINT | Not considered to be a fire hazard |
| STABILITY | Stable under ordinary conditions |
SALES SPECIFICATION
| APPEARANCE | white to off-white lump or powder |
| ALUMINIUM (as Al2O3) | 17.0 ~ 18.0% |
| IRON COMPOUND | 0.5% max |
| INSOLUBLES IN WATER | 0.3% max |
| pH | 2.7 ~ 3.7 (5% Sol.) |
| HEAVY METAL (as Pb) | 10ppm max |
| ARSENIC (as As) | 3ppm max |
| APPEARANCE | white to off-white lump or powder |
| ALUMINIUM (as Al2O3) | 17.0 ~ 18.0% |
| IRON COMPOUND | 0.03% max |
| INSOLUBLES IN WATER | 0.3% max |
| pH | 2.8 ~ 3.8 (5% Sol.) |
| HEAVY METAL (as Pb) | 10ppm max |
| ARSENIC (as As) | 3ppm max |
