L050031
Cap B
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About This Item
UNSPSC Code:
12352200
product line
Proligo Reagents
Quality Segment
impurities
≤120 ppm water content (Karl Fischer)
color
clear Appearance of Solution
suitability
conforms to structure (GC, Formulation)
Preparation Note
Tetrahydrofurane / N-Methylimidazole 84/16 (v/v)
Other Notes
Cap B solution, containing tetrahydrofuran (THF) and N-methylimidazole (NMI), is mixed in situ with Cap A solution during the capping (acetylation) reaction. Lutidine is applied as a mild base while NMI provides a powerful acylation catalyst.
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Signal Word
Danger
Hazard Codes
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Repr. 2 - Skin Corr. 1B - STOT SE 3
Target Organs
Central nervous system, Respiratory system
supp_hazards
Storage Class
3 - Flammable liquids
WGK
WGK 2
Flash Point (°F)
6.1 °F
Flash Point (°C)
-14.4 °C
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