CAS Number7446-11-9
SynonymsSchwefeltrioxid; MFCD00011452; SULPHUR TRIOXIDE; Sulfan; Sulfur oxide (SO3); Sulfuric oxide; SULFAN(R); sulfuric acid anhydride; SO3; EINECS 231-197-3; Sulfur trioxide; SULFURIC ANHYDRIDE; sulfur(VI) oxide
Molecular FormulaO3S
Molecular Weight159.16
Purity≥97.0 (acidimetric)%
Density1.97 g/mL at 25 °C(lit.)
Boiling Point44.8 °C
Melting Point155-165 °C
AppearanceNeedle or polymer
Symbol
Signal WordWarning
Please Login or Create an Account to: See VlP prices and availability
US Stock: ship in 0-1 business day
Global Stock: ship in 5-7 days
| Chemical & Physical Properties | |
|---|---|
| CAS Number | 7446-11-9 |
| Catalog No. | 2A-9015823 |
| Chinese Name | 三氧化硫 |
| Synonyms | Schwefeltrioxid; MFCD00011452; SULPHUR TRIOXIDE; Sulfan; Sulfur oxide (SO3); Sulfuric oxide; SULFAN(R); sulfuric acid anhydride; SO3; EINECS 231-197-3; Sulfur trioxide; SULFURIC ANHYDRIDE; sulfur(VI) oxide |
| Molecular Formula | O3S |
| Molecular Weight | 159.16 |
| Purity | ≥97.0 (acidimetric) |
| Density | 1.97 g/mL at 25 °C(lit.) |
| Boiling Point | 44.8 °C |
| Melting Point | 155-165 °C |
| Appearance | Needle or polymer |
| Water Solubility | reacts violently |
| Storage Condition | Sealed in a cool, dry environment. |
| Packaging | I |
| MDL Number | MFCD00012437 |
| SMILES | [S](=O)(=O)=O.n1ccccc1 |
| InChI | 1S/C5H5N.O3S/c1-2-4-6-5-3-1;1-4(2)3/h1-5H; |
| InChI Key | UDYFLDICVHJSOY-UHFFFAOYSA-N |
| NACRES Code | NA.22 |
| UNSPSC | 12352303 |
| Hazard Symbols | 8 |
| MSDS | msds/15823_1_7446_11_9.pdf |
| Transport Info | Product name: Chemical name |
| Related Products in Specialty Chemicals | ||
|---|---|---|
| Thionyl chloride | 7719-09-7 | 2A-9015818 |
| Sulfur | 7704-34-9 | 2A-9015819 |
| Sulfur chloride | 39594-91-7 | 2A-9015820 |
| Sulfur dioxide | 7446-09-5 | 2A-9015821 |
| Sulfur hexafluoride | 2551-62-4 | 2A-9015822 |
| Sulfur(I) chloride | 10025-67-9 | 2A-9015824 |
| Sulfur(II) dichloride | 10545-99-0 | 2A-9015825 |
| Sulfurous acid | 7782-99-2 | 2A-9015827 |
| Sulfuryl chloride | 7791-25-5 | 2A-9015828 |
| Sulfuryl fluoride | 2699-79-8 | 2A-9015829 |
| Browse all Specialty Chemicals products » | ||
Phone:
630-322-8886
630-322-8887
Email:
Office Locations:
Chicago, IL, USA
San Francisco, CA, USA
EN
SDS