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- Pyridine sulfur trioxide
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Cas Database |
| Name |
Pyridine sulfur trioxide |
EINECS | 247-683-3 |
| CAS No. | 26412-87-3 | Density | N/A |
| PSA | 96.19000 | LogP | 1.37340 |
| Solubility | reacts with water | Melting Point |
~160 °C |
| Formula | C5H5N.SO3 | Boiling Point | 115.3 °C at 760 mmHg |
| Molecular Weight | 159.166 | Flash Point | 20 °C |
| Transport Information | UN 3261 8/PG 2 | Appearance | white solid |
| Safety | 26-36/37/39-45 | Risk Codes | 22-34 |
| Molecular Structure |
|
Hazard Symbols |
 C
|
| Synonyms |
Sulfur trioxide, compd. with pyridine (1:1);Sulphur trioxide pyridine (1:1);Pyridine sulfotrioxide;Pyridine-sulfur trioxide complex;Pyridine SO3 (1:1) complex;Pyridine, compd. with sulfur trioxide (1:1) (8CI)(9CI);Pyridine compound with sulfur trioxide (1:1);Pyridine sulfur trioxide complex; |
Article Data | 11 |
Pyridine sulfur trioxide Chemical Properties
Molecular Structure:
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Molecular Formula: C5H5NO3S
Molecular Weight: 159.1631
IUPAC Name: Pyridine; sulfur trioxide
Synonyms of Pyridine sulfur trioxide (CAS NO.26412-87-3): EINECS 247-683-3 ; NSC 75831 ; Pyridine compound with sulfur trioxide (1:1) ; Pyridine sulfotrioxide ; Pyridine, compd. with sulfur trioxide (1:1) ; Pyridine-sulfur trioxide complex ; Pyridine-sulfur trioxide complex (1:1) ; Sulfur trioxide pyridine complex ; Pyridine, compd. with sulfur trioxide (1:1) (8CI)(9CI) ; Sulfur trioxide, compd. with pyridine (1:1) ; Sulphur trioxide pyridine (1:1)
CAS NO: 26412-87-3
Product Categories: Pyridines ; Oxidation ; Sulfur Compounds (for Synthesis) ; Synthetic Organic Chemistry
Melting point: ~160 °C
H bond acceptors: 1
Polar Surface Area: 12.89 Å2
Flash Point: 20 °C
Enthalpy of Vaporization: 35.09 kJ/mol
Boiling Point: 115.3 °C at 760 mmHg
Vapour Pressure: 22.8 mmHg at 25°C
Pyridine sulfur trioxide Uses
Pyridine sulfur trioxide (CAS NO.26412-87-3) is used as sugar anhydride sodium intermediate. And it also can be used as a free agent, organic antioxidant and sulfating etc.
Pyridine sulfur trioxide Safety Profile
Hazard Codes of Pyridine sulfur trioxide (CAS NO.26412-87-3): 
C
Risk Statements: 22-34
R22: Harmful if swallowed.
R34: Causes burns.
Safety Statements: 26-36/37/39-45
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
S45: In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
RIDADR: UN 3261 8/PG 2
WGK Germany: 3
F: 3-10-21
HazardClass: 8
PackingGroup: II
HS Code: 29420000
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