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CAS RN: 183266-61-7 | Product Number: T3174

(Trifluoroacetyl)benzotriazole (mixture of 1H- and 2H- isomers)

Purity: >98.0%(HPLC)
1   7  
1   19  

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Product Number T3174
Purity / Analysis Method >98.0%(HPLC)
Molecular Formula / Molecular Weight C__8H__4F__3N__3O = 215.14  
Physical State (20 deg.C) Solid
Store Under Inert Gas Store under inert gas
Condition to Avoid Moisture Sensitive
CAS RN 183266-61-7
Reaxys Registry Number 7707570
PubChem Substance ID 253660844
MDL Number


Appearance White to Almost white powder to crystal
Purity(HPLC) min. 98.0 area%
Melting point 67.0 to 71.0 °C
Properties (reference)
Melting Point 69 °C
Solubility (soluble in) Methanol
Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
Related Laws: / Compliance with laws, Regulations
Transport Information:
HS Number 2933998090
Trifluoroacetylation of Amines


[Experimental procedure]
A solution of 2-phenylethylamine (0.61 g, 5.0 mmol) and (trifluoroacetyl)benzotriazole (1.18 g, 5.5 mmol) in THF (dried, 20 mL) is stirred at room temperature for 4 hours. Then the mixture is diluted with ethyl acetate (20 mL) and washed with aqueous 2 N sodium hydroxide solution (2 x 15 mL). The aqueous layers are extracted with ethyl acetate (20 mL). The combined organic layers are dried over sodium sulfate. After the removal of organic solvent, the crude product is obtained in quantitative yield.


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