grade
ACS reagent
vapor density
3 (vs air)
vapor pressure
2 mmHg ( 25 °C)
concentration
15% (free SO3)
ign. residue
≤0.002%
color
colorless to very light brown
density
1.925 g/mL at 25 °C (lit.)
anion traces
nitrate (NO3-): ≤1 ppm
cation traces
As: ≤0.03 ppm, Fe: ≤2 ppm, NH4+: ≤3 ppm
SMILES string
O=S(=O)=O.OS(O)(=O)=O
InChI
1S/H2O4S.O3S/c1-5(2,3)4;1-4(2)3/h(H2,1,2,3,4);
InChI key
HIFJUMGIHIZEPX-UHFFFAOYSA-N
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supp_hazards
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 2 Inhalation - Skin Corr. 1A - STOT SE 3
target_organs
Respiratory system
存储类别
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
法规信息
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