Aluminium sulfide
dialuminium trisulphide
CAS: 1302-81-4
Molecular Formula: Al2S3
Aluminium sulfide - Names and Identifiers
| Name | dialuminium trisulphide |
| Synonyms | ALUMINUM SULFIDE Aluminium sulfide dialuminium trisulphide Dialuminium trisulphide Aluminum sulfide (Al2S3) ALUMINUM SULFIDE TECHNICAL dialuminum sulfur(-2) dihydride anion |
| CAS | 1302-81-4 |
| EINECS | 215-109-0 |
| InChI | InChI=1/2Al.3H2S/h;;3*1H2/q2*+3;3*-2 |
Aluminium sulfide - Physico-chemical Properties
| Molecular Formula | Al2S3 |
| Molar Mass | 150.16 |
| Density | 2.02 g/mL at 25 °C (lit.) |
| Melting Point | 1100 °C |
| Water Solubility | decomposes in H2O [MER06] |
| Appearance | granular |
| Specific Gravity | 2.02 |
| Color | Yellow |
| Solubility Product Constant(Ksp) | pKsp: 6.7 |
| Merck | 14,367 |
| Storage Condition | Room Temprature |
| Sensitive | Moisture Sensitive |
| MDL | MFCD00014162 |
Aluminium sulfide - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S27 - Take off immediately all contaminated clothing. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| UN IDs | UN3134 |
| WGK Germany | 3 |
| TSCA | Yes |
| Hazard Class | 4.3 |
| Packing Group | III |
Aluminium sulfide - Reference Information
| crystal structure | Hexagonal, Wurtzite (Zincite) Structure - Space Group P 63mc |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| overview | aluminum sulfide yellow powder or crystal, gray when mixed with excess aluminum, with the odor of hydrogen sulfide. The relative density is 2.02, the melting point is 1100 ℃, the boiling point is 1500 ℃ (sublimation in nitrogen), and slightly dissociated. Hydrolyzed in water or in humid air to produce hydrogen sulfide and aluminum hydroxide. Soluble in acid, insoluble in ketone. It can be reduced by iron or hydrocarbons to produce aluminum, and react with sulfur dioxide to produce sulfur and aluminum sulfate. |
| use | aluminum sulfide yellow powder or crystal, gray when mixed with excess aluminum, with the odor of hydrogen sulfide. It can be reduced by iron or hydrocarbons to produce aluminum, and react with sulfur dioxide to produce sulfur and aluminum sulfate. It is used to prepare a waterproof and thermal insulation coating, a concrete waterproofing agent, a carbon fiber reinforced aluminum matrix composite material, and a silicon carbide titanium matrix composite material. |
Last Update：2024-04-10 22:29:15
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View History
Aluminium sulfide
o-Tolylurea
Chloromethyl hexadecanoate
Estone
Titaniumchloridemin
O-Nitro Phenol
heptanedial
2-methoxyethylphthalate
o-Tolylurea
Chloromethyl hexadecanoate
Estone
Titaniumchloridemin
O-Nitro Phenol
heptanedial
2-methoxyethylphthalate