Sulfur trioxide-pyridine
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Sulfur trioxide-pyridine
structure -
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CAS No:
26412-87-3
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Formula:
C5H5N.O3S
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Chemical Name:
Sulfur trioxide-pyridine
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Synonyms:
Pyridine,compd. with sulfur trioxide (1:1);Sulfur trioxide,compd. with pyridine (1:1);Pyridine,compd. with SO3;Pyridine-sulfur trioxide complex;Pyridine-sulfur trioxide complex (1:1);Pyridine sulfur trioxide;Pyridine-sulfur trioxide (1:1);Sulfur trioxide-pyridine;NSC 75831
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CAS No:
Characteristics
65.1
1.37340
White to beige Powder
~160 °C
115.3ºC at 760 mmHg
20ºC
Solubility in water: reaction.;soluble in polar organic solvents.
Store below +30°C.
LD50 orally in Rabbit: 500 - 2000 mg/kg
Safety Information
II
8
UN 3261 8/PG 2
3
22-34
26-36/37/39-45
C
P280-P305 + P351 + P338-P310
H302-H314
Sulfur trioxide-pyridine Use and Manufacturing
Prepared with pyridine and chlorosulfonic acid at room temperature.
Usually used for sulfations of alcohols, sulfonations, deoxygenations and other reductions, oxidations with DMSO.
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