CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Thick fuming yellow liquid. Density 16.5 lb / gal. Very toxic by inhalation. Corrosive to metals and tissue, quickly causing severe burns. Used to make chemicals, dyes, explosives and in petroleum refining. |
|---|---|
| Color/Form | Colorless or slightly colored, viscous liquid |
| Solubility | Solubility in water: miscible, reaction |
| Density | 1.91 to 1.97 at 59 °F (USCG, 1999) |
| Vapor Density | Relative vapor density (air = 1): 3-3.3 |
| Vapor Pressure | approximately 20 kPa at 40 °C /50% SO3, wt % (% Oleum)/ |
| Autoignition Temperature | Not flammable (USCG, 1999) |
| Decomposition | When heated to decomposition it emits highly toxic fumes of oxides of /sulfur oxide/. |
| Viscosity | 38 mPa-sec at 25 °C /30% SO3, wt % (% Oleum)/ |
| Corrosivity | Extremely corrosive |
| Other Experimental Properties | 38 mPa-sec at 25 °C /30% SO3, wt % (% Oleum)/ |
| Chemical Classes | Toxic Gases & Vapors -> Acids, Inorganic |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Corrosion Corrosives GHS05  Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H314:Skin corrosion/irritation H330:Acute toxicity,inhalation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P260:Do not breathe dust/fume/gas/mist/vapours/spray. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
COMPUTED DESCRIPTORS
| Molecular Weight | 178.15 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 0 |
| Exact Mass | 177.92419475 g/mol |
| Monoisotopic Mass | 177.92419475 g/mol |
| Topological Polar Surface Area | 135 Ų |
| Heavy Atom Count | 9 |
| Formal Charge | 0 |
| Complexity | 143 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 2 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Thick fuming yellow liquid. Density 16.5 lb / gal. Very toxic by inhalation. Corrosive to metals and tissue, quickly causing severe burns. Used to make chemicals, dyes, explosives and in petroleum refining.