Methanesulfonic anhydride (HCID 81560)

이름 및 식별자

우선 이름: Methanesulfonic anhydride
IUPAC: methylsulfonyl methanesulfonate
영어명: Methanesulfonic anhydride
분자식: C2H6O5S2
분자량: 174.19

이름 및 동의어

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

이름 더 보기

7143/1/3Methanesulfonyl anhydrideSKL265

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

데이터베이스 식별자

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

물성

구조 계산 물성

XLogP: -0.8
극성 표면적: 94.3 Å²
수소 결합 공여자 수: 0
수소 결합 수용자 수: 5
회전 가능 결합 수: 2
무거운 원자 수: 9
형식 전하: 0
복잡도: 227

물리화학적 성질

녹는점: 64 · 64-67 °C (lit.)
끓는 점: 125 °C/4 · 125 °C/4 mmHg (lit.)
밀도: 1 · 1,36 g/cm3
증기 밀도: 3.3 · 3.3 (vs air)
굴절률: 1.53 · 1.5300 (estimate)
인화점: 125 °C/4mm · 125°C/4mm
저장 조건: 20 °C · Store at <= 20°C.
용해도: 유기 용매에 용해됩니다.
물리적 상태: 분말, 결정 및/또는 덩어리
색상: 흰색에서 밝은 갈색, 회색까지
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
NIST: Methanesulfonic anhydride(7143-01-3)
EPA: Methanesulfonic acid, anhydride (7143-01-3)

화학적 성질

white to light brown to grey powder, crystals and/

안전 및 규제

GHS 분류

GHS Classification · 4건

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.

유해성 정보

Regulatory Information · 3건

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%)

안전 데이터

wgk: 3
tsca: TSCA listed
ridadr: UN 3261 8/PG 2
HS 번호: 29041000
risk_code: 14-35
hazard_code: C
safety_code: 26-36/37/39-45
포장분류: III
위험 등급: 8
F 고인화성물질: 3-10
Hazard Classifications: Skin Corr. 1A
스토리지 클래스: 8A - Combustible corrosive hazardous materials

화학 및 산업

용도 및 제조

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

응용 분야 · 1건

용도Methanesulfonic 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.

제조 방법 · 1건

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.