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CAS No.: | 26412-87-3 |
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Name: | Pyridine sulfur trioxide |
Article Data: | 11 |
Molecular Structure: | |
Formula: | C5H5N.SO3 |
Molecular Weight: | 159.166 |
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; |
EINECS: | 247-683-3 |
Melting Point: | ~160 °C |
Boiling Point: | 115.3 °C at 760 mmHg |
Flash Point: | 20 °C |
Solubility: | reacts with water |
Appearance: | white solid |
Hazard Symbols: | C |
Risk Codes: | 22-34 |
Safety: | 26-36/37/39-45 |
Transport Information: | UN 3261 8/PG 2 |
PSA: | 96.19000 |
LogP: | 1.37340 |
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Molecular Structure:
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 (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.
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