41610

硫酸二甲酯

puriss. p.a., ≥99.0% (GC)

• 同義詞: 二甲基硫酸酯
• 線性公式: (CH₃O)₂SO₂
• CAS號碼: 77-78-1
• 分子量：: 126.13
• Beilstein: 635994
• EC號碼: 201-058-1
• MDL號碼: MFCD00008416
• 分類程式碼代碼: 12352100
• PubChem物質ID: 57650074
• NACRES: NA.21

屬性

• 蒸汽密度: 4.3 (vs air)
• 品質等級: 200
• 蒸汽壓力: 0.7 mmHg ( 25 °C)
• 等級: puriss. p.a.
• 化驗: ≥99.0% (GC)
• 形狀: liquid
• 自燃溫度: 923 °F
• 雜質: ≤0.4% free acid (as H₂SO₄)
• 燃燒殘留物: ≤0.02%
• 折射率: n20/D 1.386 (lit.); n20/D 1.387
• bp: 188 °C (lit.)
• mp: −32 °C (lit.)
• 溶解度: ethanol: 0.26 g/mL, clear, colorless; diethyl ether: 1.3 g/5mL, clear, colorless
• 密度: 1.333 g/mL at 25 °C (lit.)
• 正離子痕跡: Ca: ≤5 mg/kg; Cd: ≤1 mg/kg; Co: ≤1 mg/kg; Cr: ≤1 mg/kg; Cu: ≤1 mg/kg; Fe: ≤1 mg/kg; K: ≤20 mg/kg; Mg: ≤1 mg/kg; Mn: ≤1 mg/kg; Na: ≤20 mg/kg; Ni: ≤1 mg/kg; Pb: ≤1 mg/kg; Zn: ≤1 mg/kg
• SMILES 字串: COS(=O)(=O)OC
• InChI: 1S/C2H6O4S/c1-5-7(3,4)6-2/h1-2H3
• InChI 密鑰: VAYGXNSJCAHWJZ-UHFFFAOYSA-N

描述

一般說明

Dimethyl sulfate is the dimethyl ester of sulfuric acid. It undergoes hydrolysis to afford monomethyl sulfate. It is found as contaminant in fly ash and in airborne particulate matter generated during the coal combustion processes.

安全資訊

• 象形圖: GHS06,GHS08,GHS05
• 訊號詞: Danger
• 危險聲明: H301,H314,H317,H330,H341,H350
• 防範說明: P202 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• 危險分類: Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Carc. 1B - Eye Dam. 1 - Muta. 2 - Skin Corr. 1B - Skin Sens. 1
• 儲存類別代碼: 6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
• 水污染物質分類（WGK）: WGK 3
• 閃點（°F）: 181.4 °F - closed cup
• 閃點（°C）: 83 °C - closed cup
• 個人防護裝備: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter