1.02931

二甲基亚砜

for DNA and peptide synthesis (max. 0.025% H₂O)

• 别名: DMSO, 甲基亚砜
• 线性分子式: (CH₃)₂SO
• CAS号: 67-68-5
• 分子量: 78.13
• Beilstein: 506008
• MDL號碼: MFCD00002089
• 分類程式碼代碼: 12191502
• 酶委員會索引編號: 200-664-3
• NACRES: NA.05

属性

• 蒸汽密度: 2.7 (vs air)
• 品質等級: 200
• 蒸汽壓力: 0.42 mmHg ( 20 °C)
• 化驗: ≥99.9% (GC)
• 形狀: liquid
• 自燃溫度: 573 °F
• 效力: 28300 mg/kg LD₅₀, oral (Rat); 40000 mg/kg LD₅₀, skin (Rat)
• expl. lim.: 42 %, 63 °F
• 技術: DNA amplification: suitable
• 雜質: ≤0.0002 meq/g Alkalinity; ≤0.0005 meq/g Acidity; ≤0.025% Water
• 蒸發殘留物: ≤10 mg/L
• 顏色: APHA: ≤10
• 折射率: n20/D 1.479 (lit.)
• 運動黏度: 2.14 cSt
• bp: 189 °C (lit.)
• mp: 16-19 °C (lit.)
• 轉變溫度: flash point 87 °C
• 溶解度: 1000 g/L
• 密度: 1.10 g/mL (lit.)
• 應用: peptide synthesis
• 儲存溫度: 2-30°C
• SMILES 字串: CS(C)=O
• InChI: 1S/C2H6OS/c1-4(2)3/h1-2H3
• InChI 密鑰: IAZDPXIOMUYVGZ-UHFFFAOYSA-N

说明

應用

• Dimethyl sulfoxide as a gas phase charge-reducing agent for the determination of PEGylated proteins′ intact mass.: This study explores the effectiveness of DMSO in reducing the charge of proteins during mass spectrometry, improving the accuracy of mass measurements for PEGylated proteins, a critical aspect in biopharmaceutical analyses (Skjærvø Ø et al., 2024).


• Benzoselenadiazole-Functionalized H-Bonded Arylamide Foldamers: Solvent-Responsive Properties and Helix Self-Assembly Directed by Chalcogen Bonding in Solid State.: This paper discusses the role of DMSO in influencing the self-assembly properties of novel foldamers, showcasing its importance in the study of advanced material sciences (Liu CZ et al., 2024).


• Controlling Interfacial Hydrogen Bonding at a Gold Surface: The Effect of Organic Cosolvents.: This study presents DMSO′s role in modulating hydrogen bonding at interfaces, particularly in the presence of gold surfaces, which is relevant in surface chemistry and sensor applications (Al-Mualem ZA et al., 2024).

注意

在室温下容易过冷并缓慢重融。 固化产品可以通过加热至室温来重新液化，而不会损害产品。

規格

空气中的饱和浓度：8.0 g/m3（20 °C）

分析報告

纯度 (GC)： ≥ 99.9 %
同一性（IR）：符合
颜色： ≤ 10 色度
酸度： ≤ 0.0005 meq/g
碱度： ≤ 0.0002 meq/g
蒸发残留物： ≤ 10 mg/l
水： ≤ 0.025 %

安全信息

• 儲存類別代碼: 10 - Combustible liquids
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: 188.6 °F - closed cup
• 閃點（°C）: 87 °C - closed cup