CAS 455-18-5 | Trifluoro-p-tolunitrile
Molecular Formula: C8H4F3N
Molecular Weight: 171.12
EINECS: 207-239-1
Purity: 97% Min.
Package: 1 g / 5 g / 25 g / 100 g / 1 kg / 25 kg
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Product Introduction
Introduction
It is an important intermediate for the synthesis of ambroxol hydrochloride and other drugs.
Specification of CAS 455-18-5 | Trifluoro-p-tolunitrile
ITEMS | SPECIFICATION |
Melting point | 39-41 °C(lit.) |
InChIKey | DRNJIKRLQJRKMM-UHFFFAOYSA-N |
storage temp. | Sealed in dry,Room Temperature |
Fp | 161 °F |
refractive index | n20/D 1.4583(lit.) |
EPA Substance Registry System | Benzonitrile, 4-(trifluoromethyl)- (455-18-5) |
density | 1.278 g/mL at 25 °C(lit.) |
Boiling point | 80-81 °C20 mm Hg(lit.) |
Specific Gravity | 1.278 |
Sensitive | Lachrymatory |
NIST Chemistry Reference | 4-Trifluoromethylbenzoic acid nitrile(455-18-5) |
BRN | 2046478 |
CAS DataBase Reference | 455-18-5(CAS DataBase Reference) |
Synthesis of CAS 455-18-5 | Trifluoro-p-tolunitrile
Conditions
Stage #1: 4-(trifluoromethyl)benzylic alcohol With 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; tert-butylhypochlorite In dichloromethane at 20℃; for 1h; Inert atmosphere;
Stage #2: With ammonia; iodine In dichloromethane; water at 20℃; for 2h; Inert atmosphere;
Reference
Shimojo, Hiroyuki; Moriyama, Katsuhiko; Togo, Hideo
[Synthesis, 2013, vol. 45, # 15, art. no. SS-2013-F0311-OP, p. 2155 - 2164]
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