Recommended Products
vapor density
2.8 (vs air)
vapor pressure
280 mmHg ( 25 °C)
Assay
≥99%
form
liquid
contains
stabilizer
reaction suitability
reagent type: oxidant
impurities
low-melting solid polymer (the formation of which is unavoidable)
bp
44.7 °C (lit.)
mp
16.8 °C (lit.)
density
1.97 g/mL at 25 °C (lit.)
SMILES string
O=S(=O)=O
InChI
1S/O3S/c1-4(2)3
InChI key
AKEJUJNQAAGONA-UHFFFAOYSA-N
Looking for similar products? Visit Product Comparison Guide
General description
Application
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Eye Dam. 1 - Skin Corr. 1A - STOT SE 3
Target Organs
Respiratory system
Supplementary Hazards
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
Regulatory Information
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.
Which document(s) contains shelf-life or expiration date information for a given product?
If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.
How do I get lot-specific information or a Certificate of Analysis?
The lot specific COA document can be found by entering the lot number above under the "Documents" section.
How do I find price and availability?
There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote. USA customers: 1-800-325-3010 or view local office numbers.
Is Product 227692, Sulfur trioxide, OK to use if it contains solids?
This product may contain low-melting solid polymer, which is unavoidable. If the material is not completely liquid, place the bottle in a glass beaker or metal pail and warm under heat lamp or in an oven at 35°C. DO NOT OVERHEAT! This product boils at 44.7°C. Melting may take up to one week. When the material is liquid, it is ready for use.
What is the stabilizer used in Product 227692, Sulfur trioxide?
The manufacturer considers the identity of the stabilizer to be proprietary information.
Why does Product 227692, Sulfur trioxide, contain a stabilizer?
The stabilizer is present to facilitate melting, not to prevent polymerization.
How is Product 227692, Sulfur trioxide, packaged?
This product is packaged in a screw-capped glass bottle.
What is the Department of Transportation shipping information for this product?
Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.
My question is not addressed here, how can I contact Technical Service for assistance?
Ask a Scientist here.
Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.
Contact Technical Service