Aluminium Sulfate (CAS 10043-01-3) — formula Al2(SO4)3, molecular weight 342.2; category food additives.
Aluminium Sulfate (CAS 10043-01-3) is a chemical raw material in the food additives category. Its molecular formula Al2(SO4)3 comprises 2 Al, 3 S, 12 O atoms. Its molecular weight is about 342.2. Reported physicochemical data: melting point around 3.9 °F (USCG, 1999), boiling point around 214 °F at 760 mmHg (USCG, 1999). As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 10043-01-3 |
|---|---|
| Molecular Formula | Al2(SO4)3 |
| Molecular Weight | 342.2 |
| Melting Point | 3.9 °F (USCG, 1999) |
| Boiling Point | 214 °F at 760 mmHg (USCG, 1999) |
| Applications | tanning leather, sizing paper, dyeing textiles (mordant), purifying water, treating sewage, manufacturing (lakes |
| Category | Food Additives|Acidity Regulators |
Documented applications: tanning leather, sizing paper, dyeing textiles (mordant), purifying water, treating sewage, manufacturing (lakes.
Aluminium Sulfate is a food-grade compound with CAS registry number 10043-01-3 and molecular formula Al2(SO4)3 (molecular weight 342.2), belonging to the food additives segment of chemical raw materials.
CAS number: 10043-01-3
Its molecular formula Al2(SO4)3 comprises 2 Al, 3 S, 12 O atoms.
Also known as: Aluminium Sulfate · 硫酸铝
Category: food additives / chemical
The CAS registry number of Aluminium Sulfate is 10043-01-3.
Molecular formula Al2(SO4)3, molecular weight 342.2.
It is also registered under: Aluminium Sulfate, 硫酸铝.
Recorded applications: tanning leather, sizing paper, dyeing textiles (mordant), purifying water, treating sewage, manufacturing (lakes.
Category: Food Additives / Acidity Regulators.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Aluminium Sulfate (CAS 10043-01-3), compiled from public chemistry databases.
| CAS Registry Number | 10043-01-3 |
|---|---|
| PubChem CID | 24850 |
| Molecular formula | Al2(SO4)3 |
| IUPAC name | dialuminum;trisulfate |
| UNII (FDA) | I7T908772F |
| Molecular Weight | 342.2 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 12 |
| Rotatable Bond Count | 0 |
| Exact Mass | 341.818266 |
| Monoisotopic Mass | 341.818266 |
| Topological Polar Surface Area | 266 |
| Heavy Atom Count | 17 |
| Boiling Point | 214 °F at 760 mmHg (USCG, 1999) |
|---|---|
| Boiling Point | 1600 |
| Melting Point | 3.9 °F (USCG, 1999) |
| Melting Point | 700 |
| Melting Point | 770 °C |
| Solubility | 86.9 |
| Density | 1.61 |
| Density | 2.71 g/cm³ |
| Density | 2.672 @25 °C |
| Decomposition | 770 °C |
ALUMINUM SULFATE; 10043-01-3; Aluminium sulfate; Dialuminum trisulfate; Aluminum sulfate anhydrous; Aluminium sulphate; Dialuminum sulfate; Aluminum alum; Sulfuric acid, aluminum salt; Filter Alum; Pickle Alum; Papermaker's Alum; Sulfuric acid, aluminum salt (3:2); Aluminum sulfate (2:3); Pearl Alum; Aluminum trisulfate
| Regulatory & Food Contact | FDA Substance added to food: COLOR OR COLORING ADJUNCT, EMULSIFIER OR EMULSIFIER SALT, FIRMING AGENT, PH CONT FIRMING_AGENT: Food Additives COLOR OR COLORING ADJUNCT, EMULSIFIER OR EMULSIFIER SALT, FIRMING AGENT, PH CONTROL AGENT, PROCESSING AID, SEQ ALUMINIUM SULFATE (anhydrous) NO ADI ALLOCATED TRS 631-JECFA 22/21 |
|---|---|
| GHS notification summary | 4.4% (50 / 1124) |
| GHS notification summary | 4.4% (50 / 1124) |
|---|---|
| Reported hazard statements | H290 (41.1%), H318 (91.5%), H319 |
This chemical does not meet GHS hazard criteria for 4.4% (50 of 1124) of reports.
H290 (41.1%): May be corrosive to metals [Warning Corrosive to Metals]
Aluminium Sulfate · CAS 10043-01-3 · Al2(SO4)3. UNII I7T908772F. Boiling Point: 214 °F at 760 mmHg (USCG, 1999); Boiling Point: 1600; Melting Point: 3.9 °F (USCG, 1999).
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 硫酸铝