8014-95-7

Product Name: FUMING SULFURIC ACID

Formula: H2O7S2

Synonyms: Oleum

Inquiry

CHEMICAL AND PHYSICAL PROPERTIES SAFETY INFORMATION COMPUTED DESCRIPTORS PRODUCT INTRODUCTION RELATED SUPPLIERS

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 Å²
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.