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7143-01-3

Basic Information
CAS No.: 7143-01-3
Name: Methanesulfonic anhydride
Article Data: 29
Molecular Structure:
Molecular Structure of 7143-01-3 (Methanesulfonic anhydride)
Formula: C2H6O5S2
Molecular Weight: 174.199
Synonyms: Methanesulfonicacid, anhydride (9CI);Methanesulfonic anhydride (6CI,7CI,8CI);Mesylanhydride;NSC 65906;
EINECS: 230-442-1
Density: 1.583 g/cm3
Melting Point: 64-67 °C(lit.)
Boiling Point: 289.3 °C at 760 mmHg
Flash Point: 128.7 °C
Appearance: white to light brown to grey powder, crystals
Hazard Symbols: CorrosiveC
Risk Codes: 14-35
Safety: 26-36/37/39-45
Transport Information: UN 3261 8/PG 2
PSA: 94.27000
LogP: 1.08380
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    Methanesulfoneic Anhydride

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    Acmec Methanesulfonic anhydride 500g

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    Methanesulfonic Anhydride

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    7143-01-3

    Methanesulfonic anhydride

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    7143-01-3

    Methanesulfonic anhydride

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  • Methanesulfonic anhydride

  • Casno:

    7143-01-3

    Methanesulfonic anhydride

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Chemistry

Molecular Structure of Methanesulfonic anhydride (7143-01-3):

EINECS: 230-442-1
IUPAC Name: Methylsulfonyl methanesulfonate
Molecular Formula: C2H6O5S2
Molecular Weight: 174.19604 g/mol
XLogP3-AA: -0.8
H-Bond Donor: 0
H-Bond Acceptor: 5
Canonical SMILES: CS(=O)(=O)OS(=O)(=O)C
InChI: InChI=1S/C2H6O5S2/c1-8(3,4)7-9(2,5)6/h1-2H3
InChIKey: IZDROVVXIHRYMH-UHFFFAOYSA-N
Index of Refraction: 1.469
Molar Refractivity: 30.67 cm3
Molar Volume: 109.9 cm3
Surface Tension: 53.7 dyne/cm
Density: 1.583 g/cm3
Flash Point: 128.7 °C
Melting Point: 64-67 °C(lit.)
Boiling Point: 289.3 °C at 760 mmHg
Enthalpy of Vaporization: 50.74 kJ/mol
Vapour Pressure: 0.00386 mmHg at 25 °C
Vapor Density: 3.3 (vs air)
Water Solubility: 7.531e+004 mg/L at 25 °C
Sensitive: Moisture
BRN: 972316

Safety Profile

Safety Information of Methanesulfonic anhydride (7143-01-3):
Hazard Codes: C
Risk Statements: 14-35
14: Reacts violently with water
35: Causes severe burns
Safety Statements: 26-36/37/39-45
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37/39: Wear suitable protective clothing, gloves and eye/face protection
45: In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
RIDADR: UN 3261 8/PG 2
WGK Germany: 3
F: 3-10
HazardClass: 8
PackingGroup: III
HS Code: 29041000

Specification

  Methanesulfonic anhydride (7143-01-3) is the acid anhydride of methanesulfonic acid with appearance of white to light brown to grey powder. It is also called for Mesyl anhydride ; Methanesulfonic acid, 1,1'-anhydride ; Methanesulfonic acid, anhydride ; Methanesulphonic anhydride , it may be used to generate mesylates.