Sulphur trioxide pyridine complex 48 - 50% (active SO3), Technical Grade

Supplier: Thermo Scientific Chemicals
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13287-0250 13287-1000 13287-0025 13287-5000
TS13287-0025EA 1313 USD
TS13287-0025 TS13287-1000 TS13287-0250 TS13287-5000
Sulphur trioxide pyridine complex 48 - 50% (active SO3), Technical Grade
Sulphur trioxide pyridine complex
Formula: C₅H₅NO₃S
Melting Pt: 155 °C
Storage Temperature: Ambient
MDL Number: MFCD00012437
EINECS: 247-683-3
UN: 3261
ADR: 8,II

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Specification Test Results

Appearance White to beige Powder
Infrared spectrum Conforms
Assay 95 to 100 % (Sulfur trioxide pyridine)
Assay 48 to 50 % (Active SO3)
Elemental Analysis 74.96 to 84.52 % C
Elemental Analysis 3.98 to 4.48 % N
Specific optical rotation -13.5° to -21.5° (20°C, 589 nm) (c=0.5 in chloroform)

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