L050083

Cap B

• 分類程式碼代碼: 12352200
• NACRES: NA.51

属性

• 產品線: Proligo Reagents
• 雜質: ≤200 ppm Water content (Karl Fischer)

说明

一般說明

Cap B solution contains tetrahydrofuran (THF), pyridine, and N-methylimidazole (NMI). It is mixed in situ with Cap A solution during the capping (acetylation) reaction. Pyridine is applied as a mild base while NMI provides a powerful acylation catalyst.

包裝

200L stainless steel returnable drum

準備報告

Tetrahydrofurane / N-Methylimidazole / Pyridine 8/1/1 (v/v/v)

其他說明

Cap B solution, containing tetrahydrofuran (THF), pyridine and N-methylimidazole (NMI), is mixed in situ with Cap A solution during the capping (acetylation) reaction. Pyridine is applied as a mild base while NMI provides a powerful acylation catalyst.

安全信息

• 象形圖: GHS02,GHS08,GHS05,GHS07
• 訊號詞: Danger
• 危險聲明: H225,H302 + H312,H314,H335,H336,H351,H361d
• 防範說明: P210 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• 危險分類: Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Repr. 2 - Skin Corr. 1B - STOT SE 3
• 標靶器官: Central nervous system, Respiratory system
• 安全危害: EUH019
• 儲存類別代碼: 3 - Flammable liquids
• 水污染物質分類（WGK）: WGK 2
• 閃點（°F）: 6.1 °F
• 閃點（°C）: -14.4 °C