Methanesulfonic anhydride (HCID 81560)

名称と識別子

優先名称: Methanesulfonic anhydride
IUPAC: methylsulfonyl methanesulfonate
現地名: オキシビス(メチルスルホン)
英語名: Methanesulfonic anhydride
分子式: C2H6O5S2
分子量: 174.19

名称と別名

Methanesulfonic anhydrideMethanesulphonic anhydridemethanesulfonyl methanesulfonateMethanesulfonic acid, 1,1'-anhydrideJ492U7J4PBNSC-65906DTXSID70864010EINECS 230-442-1NSC 65906RefChem:156942DTXCID80812567IZDROVVXIHRYMH-UHFFFAOYSA-N

名称をさらに表示

オキシビス(メチルスルホン)ビス(メタンスルホン酸)無水物メタンスルホン酸無水物ビスメタンスルホン酸無水物メタンスルホニルメタンスルホナート7143/1/3Methanesulfonyl anhydrideSKL265

7143-01-3methylsulfonyl methanesulfonateMethanesulfonic acid, anhydrideMesyl anhydrideMFCD00007556Mesic anhydridemethanesulfonicanhydridemethylsulfonic anhydride

データベース識別子

CAS: 7143-01-3
PubChem CID: 81560
DTXSID: DTXSID70864010
UNII: J492U7J4PB
EC Number: 230-442-1
Nikkaji: J24.127J

物性

構造計算による物性

XLogP: -0.8
極性表面積: 94.3 Å²
水素結合供与体数: 0
水素結合受容体数: 5
回転可能結合数: 2
重原子数: 9
形式電荷: 0
複雑度: 227

物理化学的性質

融点: 64 · 64-67 °C (lit.)
沸点: 125 °C/4 · 125 °C/4 mmHg (lit.)
比重(密度): 1 · 1,36 g/cm3
蒸気密度: 3.3 · 3.3 (vs air)
屈折率: 1.53 · 1.5300 (estimate)
闪点: 125 °C/4mm · 125°C/4mm
貯蔵温度: 20 °C · Store at <= 20°C.
溶解性: 有機溶剤に可溶。
外見: 粉末、結晶および/またはチャンク
色: 白～薄茶～灰色
BRN: 972316 · 972316
InChI: 1S/C2H6O5S2/c1-8(3,4)7-9(2,5)6/h1-2H3
InChIKey: IZDROVVXIHRYMH-UHFFFAOYSA-N
SMILES: CS(=O)(=O)OS(C)(=O)=O
CAS データベース: 7143 · 7143-01-3(CAS DataBase Reference)
NISTの化学物質情報: Methanesulfonic anhydride(7143-01-3)
EPAの化学物質情報: Methanesulfonic acid, anhydride (7143-01-3)

化学的性質

化学的特性white to light brown to grey powder, crystals and/

安全と法規制

GHS分類

GHS Classification · 4 件

Danger

H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]

P260, P264, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P321, P363, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 64 reports by companies from 9 notifications to the ECHA C&L Inventory.

危険有害性情報

Regulatory Information · 3 件

Chemical: Methanesulfonic acid, anhydride

Status: Active Update: 30-05-2018 https://echa.europa.eu/registration-dossier/-/registered-dossier/19506

Methanesulphonic anhydride: Does not have an individual approval but may be used under an appropriate group standard

Hazard Classes and CategoriesSkin Corr. 1 (100%)

安全データ

F: 3-10
wgk: 3
tsca: TSCA listed
ridadr: UN 3261 8/PG 2
hs_code: 29041000
risk_code: 14-35
hazard_code: C
safety_code: 26-36/37/39-45
hazard_class: 8
packing_group: III
Hazard Classifications: Skin Corr. 1A
ストレージクラス: 8A - Combustible corrosive hazardous materials

化学と産業

用途と製造

General Manufacturing InformationMethanesulfonic acid, 1,1'-anhydride: ACTIVE

応用分野 · 1 件

使用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.

調製方法 · 1 件

製造方法Methanesulfonic anhydride may be prepared by the dehydration of methanesulfonic acid with phosphorus pentoxide.P2O5 + 6 CH3SO3H → 3 (CH3SO2)2O + 2 H3PO4Methanesulfonic anhydride can be purified by distillation under vacuum (distillation of a solid) or by recrystallized from Methyl tert-butyl ether/toluene.