ChemicalBook > CAS DataBase List > Methanesulfonic anhydride
Methanesulfonic anhydride
- Product Name
- Methanesulfonic anhydride
- CAS No.
- 7143-01-3
- Chemical Name
- Methanesulfonic anhydride
- Synonyms
- 7143/1/3;methylsulfonyl methanesulfonate;Mesic anhydride;Mesyl anhydride;METHANESULPHONIC ANHYDRIDE;Methanesulfonyl anhydride;Methanesulfonic acid, anhydride;methanesulfonyl methanesulfonate;SKL265;7143-01-3-
- CBNumber
- CB1109276
- Molecular Formula
- C2H6O5S2
- Formula Weight
- 174.19
- MOL File
- 7143-01-3.mol
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Methanesulfonic anhydride Property
- Melting point:
- 64-67 °C (lit.)
- Boiling point:
- 125 °C/4 mmHg (lit.)
- Density
- 1,36 g/cm3
- vapor density
- 3.3 (vs air)
- refractive index
- 1.5300 (estimate)
- Flash point:
- 125°C/4mm
- storage temp.
- Store at <= 20°C.
- solubility
- Soluble in organic solvents.
- form
- Powder, Crystals and/or Chunks
- color
- White to light brown to gray
- Sensitive
- Moisture Sensitive
- BRN
- 972316
- InChIKey
- IZDROVVXIHRYMH-UHFFFAOYSA-N
- CAS DataBase Reference
- 7143-01-3(CAS DataBase Reference)
- NIST Chemistry Reference
- Methanesulfonic anhydride(7143-01-3)
- EPA Substance Registry System
- Methanesulfonic acid, anhydride (7143-01-3)
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Safety
- Hazard Codes
- C
- Risk Statements
- 14-35
- Safety Statements
- 26-36/37/39-45
- RIDADR
- UN 3261 8/PG 2
- WGK Germany
- 3
- F
- 3-10
- TSCA
- Yes
- HazardClass
- 8
- PackingGroup
- III
- HS Code
- 29041000
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H314Causes severe skin burns and eye damage
- Precautionary statements
-
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P363Wash contaminated clothing before reuse.
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- 269190
- Product name
- Methanesulfonic anhydride
- Purity
- 97%
- Packaging
- 5g
- Price
- $29.8
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- 269190
- Product name
- Methanesulfonic anhydride
- Purity
- 97%
- Packaging
- 25g
- Price
- $85.7
- Updated
- 2024/03/01
Alfa Aesar
- Product number
- A13328
- Product name
- Methanesulfonic anhydride, 98%
- Packaging
- 10g
- Price
- $32.65
- Updated
- 2024/03/01
Alfa Aesar
- Product number
- A13328
- Product name
- Methanesulfonic anhydride, 98%
- Packaging
- 25g
- Price
- $69.65
- Updated
- 2024/03/01
Alfa Aesar
- Product number
- A13328
- Product name
- Methanesulfonic anhydride, 98%
- Packaging
- 50g
- Price
- $136
- Updated
- 2024/03/01
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Methanesulfonic anhydride Chemical Properties,Usage,Production
Chemical Properties
white to light brown to grey powder, crystals and/
Uses
Methanesulfonic anhydride is used to prepare methylsulfonyl esters called as mesylates. It finds application in the reaction of aromatic alkylation. It reacts with dimethylsulfoxide to get sulfoxonium complex, which is a useful oxidizing agent.
Preparation
Methanesulfonic anhydride may be prepared by the dehydration of methanesulfonic acid with phosphorus pentoxide.
P2O5 + 6 CH3SO3H → 3 (CH3SO2)2O + 2 H3PO4
Methanesulfonic anhydride can be purified by distillation under vacuum (distillation of a solid) or by recrystallized from Methyl tert-butyl ether/toluene.
Safety
Not only is Methanesulfonic anhydride corrosive, posing potential risks to skin, eyes, and mucous membranes, but it is also sensitive to moisture. As a hygroscopic substance, exposure to water can lead to degradation, compromising its efficacy and safety. Therefore, meticulous storage conditions are paramount to ensure the stability of the compound. To safeguard the integrity of methanesulfonic anhydride, storing it in a cool and dry environment is recommended. The storage facility should be adequately ventilated to prevent the accumulation of vapors and maintain optimal conditions for the compound. Furthermore, the storage containers must be tightly sealed to prevent moisture ingress and subsequent degradation.
Methanesulfonic anhydride Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Methanesulfonic anhydride manufacturers
Henan Fengda Chemical Co., Ltd
- Product
- Methanesulfonic anhydride 7143-01-3
- Price
- US $6.00-0.60/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- g-kg-tons, free sample is available
- Release date
- 2024-01-18
Hebei Mojin Biotechnology Co., Ltd
- Product
- Methanesulfonic anhydride 7143-01-3
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 50000KG/month
- Release date
- 2023-08-28
Hebei Guanlang Biotechnology Co., Ltd.
- Product
- Methanesulfonic anhydride 7143-01-3
- Price
- US $10.00/PCS
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 100 mt
- Release date
- 2021-04-08
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