8.00795

1,2-Ethanedithiol

for synthesis

• 同義詞: 1,2-Ethanedithiol
• 經驗公式（希爾表示法）: C₂H₆S₂
• CAS號碼: 540-63-6
• 分子量：: 94.20
• MDL號碼: MFCD00004892
• 分類程式碼代碼: 12352105
• 酶委員會索引編號: 208-752-3
• NACRES: NA.22

屬性

• 蒸汽壓力: 6.4 hPa ( 20 °C)
• 品質等級: 200
• 化驗: ≥99.0% (GC)
• 形狀: liquid
• 效力: 120 mg/kg LD₅₀, oral (Rat); 197 mg/kg LD₅₀, skin (Rabbit)
• mp: -41 °C
• 轉變溫度: flash point 50 °C
• 密度: 1.12 g/cm³ at 20 °C
• 儲存溫度: 2-30°C
• InChI: 1S/C2H6S2/c3-1-2-4/h3-4H,1-2H2
• InChI 密鑰: VYMPLPIFKRHAAC-UHFFFAOYSA-N

描述

應用

1,2-Ethanedithiol can be used as a reactant to synthesize:

• Aryl thiols via copper-catalyzed single-step reaction with aryl halides.
• 1,3-Dithiolanes via Lewis acid-catalyzed chemoselective condensation with carbonyl compounds.
• Polyalkylene sulfides via polycondensation with dibromides in the presence of NaH.

分析報告

Assay (GC, area%): ≥ 99.0 % (a/a)
Density (d 20 °C/ 4 °C): 1.123 - 1.126
Identity (IR): passes test

安全資訊

• 象形圖: GHS02,GHS06
• 訊號詞: Danger
• 危險聲明: H226,H301,H310 + H330
• 防範說明: P210 - P233 - P240 - P280 - P303 + P361 + P353 - P304 + P340 + P310
• 危險分類: Acute Tox. 2 Dermal - Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 3
• 儲存類別代碼: 3 - Flammable liquids
• 水污染物質分類（WGK）: WGK 3
• 閃點（°F）: 111.2 °F - closed cup
• 閃點（°C）: 44 °C - closed cup