| Product Name | Patent alum |
| CAS No. | 7784-31-8 |
| Synonyms | dialuminum trisulfate nonahydrate; aluminum sulfate hydrate (2:3:9); Aluminum sulfate octadecahydrate |
| InChI | InChI=1/2Al.3H2O4S.9H2O/c;;3*1-5(2,3)4;;;;;;;;;/h;;3*(H2,1,2,3,4);9*1H2/q2*+3;;;;;;;;;;;;/p-6 |
| Molecular Formula | H18Al2O21S3 |
| Molecular Weight | 504.2884 |
| Melting point | 86℃ |
| Boiling point | 330°C at 760 mmHg |
| Water solubility | soluble |
| Hazard Symbols |  Xn:Harmful;  N:Dangerous for the environment; |
| Risk Codes | R22:; R36/37/38:; R41:; R51/53:; |
| Safety | S26:; S29:; S37/39:; S61:; |
7784-31-8 patent alum
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