Description
Description
Sulfuric Acid Fuming Reagent Grade 20% Free SO3 Basis 500 Gram
Synonym: Oleum
- CAS Number 8014-95-7
- Linear Formula H2SO4 · (SO3)x
- Molecular Weight 98.08
- Beilstein/REAXYS Number 2037554
- MDL number MFCD00137792
- PubChem Substance ID 329756351
- NACRES NA.21
| Grade | reagent grade |
| Vapor Density | 3 (vs air) |
| Vapor Pressure | 2 mmHg (25°C) |
| Assay | 20% free SO3 basis |
| Density | 1.925 g/mL at 25°C (lit.) |
General description
Fuming sulfuric acid is an inorganic acid, that can be produced by the addition of sulfur trioxide to concentrated sulfuric acid. It is commonly used as a sulfonating Reagent in sulfonation reactions. When fuming sulfuric acid is employed as reaction medium, bromination takes place only in the pyridine nucleus of isomeric methylpyridines and 2,6-dimethylpyridine. It can also oxidize fullerene C60 to form fullerene polymers
Application
Fuming sulfuric acid may be used as a sulfonating agent for the synthesis of:
• sulfonated poly(1,4-phenylene sulfide)
• water-soluble polyphosphazene polyelectrolyte
• sulfated graphene
GHS05, GHS06
Signal word Danger
Hazard statements H314-H330-H335
Precautionary statements P260-P280-P284-P305 + P351 + P338-P310
Supplemental Hazard Statements Reacts violently with water.
RIDADR UN1831- class 8 – PG 1- Sulfuric acid, fuming with less than 30 percent free sulfur trioxide
WGK Germany 1
RTECS WS5605000
Documents
Safety Data Sheet
Warnings
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WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and reproductive harm. Prop 65 Warning
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