1.00720
Sulfuric acid fuming 65% SO3
Synonym(s):
Sulfuric acid fuming 65% SO3, Oleum
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About This Item
InChI key
HIFJUMGIHIZEPX-UHFFFAOYSA-N
SMILES string
[S](=O)(=O)(O)O.[S](=O)(=O)=O
InChI
1S/H2O4S.O3S/c1-5(2,3)4;1-4(2)3/h(H2,1,2,3,4);
vapor pressure
105 hPa ( 20 °C)
form
viscous liquid
concentration
64-66% (acidimetric, free SO3)
ign. residue
≤0.02%
color
clear to turbid colorless to brownish
pH
<1 (20 °C, 100 g/L in H2O)
bp
64 °C/1013 hPa
mp
1 °C
density
1.99 g/cm3 at 20 °C
storage temp.
2-30°C
Quality Level
Related Categories
Analysis Note
Appearance of substance (visual): clear to turbid
Content of free SO₃ (acidimetric): 64 - 66 %
Residue on ignition: ≤ 0.02 %
The product may be present as a cloudy viscous liquid and form fine suspended particles
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1 - STOT SE 3
target_organs
Respiratory system
supp_hazards
Storage Class
6.1B - Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Regulatory Information
Certificates of Analysis (COA)
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