Product Details
Place of Origin: China
Brand Name: Sunshine
Certification: ISO,COA
Model Number: 7143-01-3
Payment & Shipping Terms
Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: Bag,Drum
Delivery Time: 7-15 days
Payment Terms: L/C, D/A, T/T, Western Union
Supply Ability: TON
CAS NO:: |
7143-01-3 |
Appearance:: |
Off-white Crystals |
Molecular Formula:: |
C2H6O5S2 |
Molecular Weight:: |
174.19600 |
EINECS NO:: |
230-442-1 |
MDL NO:: |
MFCD00007556 |
CAS NO:: |
7143-01-3 |
Appearance:: |
Off-white Crystals |
Molecular Formula:: |
C2H6O5S2 |
Molecular Weight:: |
174.19600 |
EINECS NO:: |
230-442-1 |
MDL NO:: |
MFCD00007556 |
Product Description:
Product Name: Methanesulfonic anhydride CAS NO: 7143-01-3
Synonyms:
fonic acid, 1,1'-anhydride;
Mesyl anhydride;
Methanesulfonic acid, anhydride;
Chemical & Physical Properties:
Appearance: Off-white crystals
Assay :≥99.0%
Density: 1.583 g/cm3
Boiling Point: 125℃ (4 mmHg)
Melting Point: 64-67℃
Flash Point: 128.7℃
Refractive Index: 1.469
Vapor Density: 3.3 (vs air)
Sensitive: Moisture Sensitive
Safety Information:
Hazard Class: 8
Safety Statements: S26-S36/37/39-S45
HS Code: 2904909090
Packing Group: III
WGK Germany: 3
RIDADR: UN 3261
Risk Statements: R14; R35
Hazard Code: C
Methanesulfonic anhydride is the acid anhydride of methanesulfonic acid. Like methanesulfonyl chloride, it may be used to generate mesylates (methanesulfonyl esters). It is commercially available but may also be prepared by the reaction of phosphorus pentoxide with methanesulfonic acid at 80°C.
2 P2O5 + 6 CH3SO3H → 3 (CH3SO2)2O + 4 H3PO4
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