Ethanesulfonic acid (HCID 11668)

名称と識別子

優先名称: Ethanesulfonic acid
IUPAC: ethanesulfonic acid
現地名: エタンスルホン酸
英語名: Ethanesulfonic acid
分子式: C2H6O3S
分子量: 110.13

名称と別名

Ethanesulfonic acid594-45-6Ethylsulfonic AcidEthanesulphonic acidethane sulphonic acid1-ethanesulfonic acidethylsulphonic acid2-ethanesulfonic acid599310E3U2DTXSID5060487CHEBI:42465RefChem:591753

名称をさらに表示

エタンスルホン酸エタンスルホン酸アニオンエタンスルホナート1-エタンスルホン酸エチルスルホン酸エタンスルホン酸溶液エタンスルホン酸, 97%エタンスルホン酸, 96%ethanesulfonateEthanesuLesilic acidETHYLSULFONATEethanesulfonylacid

DTXCID4042622209-843-0InChI=1/C2H6O3S/c1-2-6(3,4)5/h2H2,1H3,(H,3,4,5Ethane sulfonateethane sulfonic acidMFCD00007529ethansulfonic acidethansulphonic acid

データベース識別子

CAS: 594-45-6
PubChem CID: 11668
DTXSID: DTXSID5060487
ChEBI: CHEBI:42465
UNII: 599310E3U2
EC Number: 209-843-0
Nikkaji: J136.509F

物性

構造計算による物性

XLogP: -0.5
極性表面積: 62.8 Å²
水素結合供与体数: 1
水素結合受容体数: 3
回転可能結合数: 1
重原子数: 6
形式電荷: 0
複雑度: 105

実験および物理化学的性質

Physical DescriptionClear light yellow liquid; [Sigma-Aldrich MSDS]

物理化学的性質

融点: -17 °C · -17 °C (lit.)
沸点: 123 °C/0.01 · 123 °C/0.01 mmHg (lit.)
比重(密度): 1.35 g/mL · 1.35 g/mL at 25 °C (lit.)
屈折率: 20 · n20/D 1.434(lit.)
闪点: 230 °F · >230 °F
貯蔵温度: 30 °C · Store below +30°C.
溶解性: 水溶性
外見: 液体
酸解離定数(Pka): 1.83 · 1.83±0.50(Predicted)
比重: 1.357 · 1.357
色: 無色～黄色
水溶解度: 溶ける
BRN: 1743071 · 1743071
InChI: 1S/C2H6O3S/c1-2-6(3,4)5/h2H2,1H3,(H,3,4,5)
InChIKey: CCIVGXIOQKPBKL-UHFFFAOYSA-N
SMILES: O=S(O)(CC)=O
LogP: -1.577 · -1.577 (est)
CAS データベース: 594 · 594-45-6(CAS DataBase Reference)
EPAの化学物質情報: Ethanesulfonic acid (594-45-6)

化学的性質

化学的特性clear yellow to brown liquid

安全と法規制

GHS分類

GHS Classification · 5 件

Danger

H290 (15.3%): May be corrosive to metals [Warning Corrosive to Metals]；H302+H312 (13.6%): Harmful if swallowed or in contact with skin [Warning Acute toxicity, oral; acute toxicity, dermal]；H302 (81.4%): Harmful if swallowed [Warning Acute toxicity, oral]；H312 (15.3%): Harmful in contact with skin [Warning Acute toxicity, dermal]；H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]；H318 (22%): Causes serious eye damage [Danger Serious eye damage/eye irritation]；H335 (15.3%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

P234, P260, P261, P264, P264+P265, P270, P271, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P319, P321, P330, P362+P364, P363, P390, P403+P233, P405, P406, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 59 reports by companies from 9 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.；Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

危険有害性情報

Regulatory Information · 3 件

Chemical: Ethanesulfonic acid

Status: Active Update: 28-08-2020 https://echa.europa.eu/registration-dossier/-/registered-dossier/20717

Ethanesulphonic acid: Does not have an individual approval but may be used under an appropriate group standard

Hazards SummaryCauses burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; Harmful by ingestion; [Sigma-Aldrich MSDS] See Methanesulfonic acid.

Hazard Classes and CategoriesMet. Corr. 1 (15.3%)；Acute Tox. 4 (81.4%)；Acute Tox. 4 (15.3%)；Skin Corr. 1 (100%)；Eye Dam. 1 (22%)；STOT SE 3 (15.3%)

毒性情報

Adverse EffectsDermatotoxin - Skin burns.；Toxic Pneumonitis - Inflammation of the lungs induced by inhalation of metal fumes or toxic gases and vapors.

法規制情報

Regulatory Information · 3 件

Chemical: Ethanesulfonic acid

Status: Active Update: 28-08-2020 https://echa.europa.eu/registration-dossier/-/registered-dossier/20717

Ethanesulphonic acid: Does not have an individual approval but may be used under an appropriate group standard

安全データ

wgk: 3
tsca: TSCA listed
ridadr: UN 2586 8/PG 3
hs_code: 29041000
risk_code: 34-35
消防法: 危-4-3-III
hazard_code: C
safety_code: 26-36/37/39-45
hazard_class: 8
packing_group: II
Hazard Classifications: Acute Tox. 4 OralEye Dam. 1Skin Corr. 1B
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 InformationEthanesulfonic acid: ACTIVE

応用分野 · 4 件

解説エタンスルホン酸,潮解性の液体．融点－17 ℃，沸点123 ℃(133 Pa)．d2041.350．n20D1.4335．エタノールに可溶．金属と安定な塩をつくる．森北出版「化学辞典（第2版）

用途有機合成用試薬。

使用Ethanesulfonic acid is employed in the electrolytic reduction of perrhenate solutions. It is also used as a catalyst for alkylation, polymerization and other reactions. Further, it reacts with triethoxymethane to prepare ethanesulfonic acid ethyl ester.

一般的な説明Ethanesulfonic acid participates in electrolytic reduction of perrhenate solutions.