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2,2,2-Trifluoroethylhydrazine
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Name

2,2,2-Trifluoroethylhydrazine

 EINECS 225-734-0
CAS No. 5042-30-8 Density 1.261 g/cm3
PSA 38.05000 LogP 1.10320
Solubility N/A Melting Point N/A
Formula C2H5F3N2 Boiling Point 83.1 ºC at 760 mmHg
Molecular Weight 114.07 Flash Point 42.8 ºC
Transport Information UN 1993 Appearance clear yellow to green liquid
Safety S36 Risk Codes R10;R20/21/22   
Molecular Structure Molecular Structure of 5042-30-8 (2,2,2-Trifluoroethylhydrazine) Hazard Symbols HarmfulXn
Synonyms

(2,2,2-Trifluoroethyl)hydrazine;1-(2,2,2-Trifluoroethyl)hydrazine;Hydrazine,(2,2,2-trifluoroethyl)-;Trifluoroethylhydrazine;

Article Data 1

2,2,2-Trifluoroethylhydrazine Synthetic route

tert-butyl 2-(2,2,2-trifluoroethyl)hydrazinecarboxylate

5042-30-8

2,2,2,trifluoroethylhydrazine

Conditions
ConditionsYield
With trifluoroacetic acid In dichloromethane at 20℃;
5042-30-8

2,2,2,trifluoroethylhydrazine

105-45-3

acetoacetic acid methyl ester

76552-51-7

3-methyl-1-(2,2,2-trifluoroethyl)-5-pyrazolone

Conditions
ConditionsYield
In ethanol at 20 - 60℃;99%
910553-57-0

4-chloro-N-dimethylaminomethylene-2-thiophene carboxamide

5042-30-8

2,2,2,trifluoroethylhydrazine

5-(4-chloro-thiophen-2-yl)-1-(2,2,2-trifluoro-ethyl)-1H-[1,2,4]triazole

Conditions
ConditionsYield
With acetic acid In water at 90℃; for 0.75h;99%
5042-30-8

2,2,2,trifluoroethylhydrazine

123-54-6

acetylacetone

141354-19-0

3,5-dimethyl-1-(2,2,2-trifluoroethyl)-1H-pyrazole

Conditions
ConditionsYield
In ethanol Reflux;99%
With hydrogenchloride In water at 60℃; for 1.5h;36 g
5042-30-8

2,2,2,trifluoroethylhydrazine

139575-14-7, 120672-87-9

N-(4-bromobenzylidene)glycine methyl ester

5-p-bromophenyl-6-trifluoromethyl-1,2,5,6-tetrahydro-1,2,4-triazine-3-carboxylic acid methyl ester

Conditions
ConditionsYield
Stage #1: N-(4-bromobenzylidene)glycine methyl ester With silver(I) acetate; caesium carbonate In acetonitrile at 20℃; for 0.05h; Schlenk technique;
Stage #2: 2,2,2,trifluoroethylhydrazine In acetonitrile at 20℃; for 48h; Schlenk technique;		99%
5042-30-8

2,2,2,trifluoroethylhydrazine

76862-09-4

methyl N-(4-chlorobenzylidene)glycinate

5-(4-chlorophenyl)-6-trifluoromethyl-1,2,5,6-tetrahydro-1,2,4-triazin-3-carboxylic acid methyl ester

Conditions
ConditionsYield
Stage #1: methyl N-(4-chlorobenzylidene)glycinate With silver(I) acetate; caesium carbonate In tetrahydrofuran at 20℃; for 0.05h; Schlenk technique;
Stage #2: 2,2,2,trifluoroethylhydrazine In tetrahydrofuran at 20℃; for 36h; Schlenk technique;		97%
479499-37-1

(4-fluorobenzylideneamino)acetic acid methyl ester

5042-30-8

2,2,2,trifluoroethylhydrazine

5-p-fluorophenyl-6-trifluoromethyl-1,2,5,6-tetrahydro-1,2,4-triazine-3-carboxylic acid methyl ester

Conditions
ConditionsYield
Stage #1: (4-fluorobenzylideneamino)acetic acid methyl ester With caesium carbonate; silver carbonate In tetrahydrofuran at 20℃; for 0.05h; Schlenk technique;
Stage #2: 2,2,2,trifluoroethylhydrazine In tetrahydrofuran at 20℃; for 2h; Schlenk technique;		96%
5042-30-8

2,2,2,trifluoroethylhydrazine

methyl 2-(1-naphthalenemethyleneamino)acetate

5-(1-naphthyl)-6-trifluoromethyl-1,2,5,6-tetrahydro-1,2,4-triazine-3-carboxylic acid methyl ester

Conditions
ConditionsYield
Stage #1: methyl 2-(1-naphthalenemethyleneamino)acetate With silver fluoride; caesium carbonate In tetrahydrofuran at 20℃; for 0.05h; Schlenk technique;
Stage #2: 2,2,2,trifluoroethylhydrazine In tetrahydrofuran at 20℃; for 30h; Schlenk technique;		96%
5042-30-8

2,2,2,trifluoroethylhydrazine

104249-92-5

methyl 2-((naphthalen-2-yl)methyleneamino)-acetate

5-(2-naphthyl)-6-trifluoromethyl-1,2,5,6-tetrahydro-1,2,4-triazine-3-carboxylic acid methyl ester

Conditions
ConditionsYield
Stage #1: methyl 2-((naphthalen-2-yl)methyleneamino)-acetate With silver(I) acetate; caesium carbonate In tetrahydrofuran at 20℃; for 0.05h; Schlenk technique;
Stage #2: 2,2,2,trifluoroethylhydrazine In tetrahydrofuran at 20℃; for 24h; Schlenk technique;		95%
958462-15-2

(3E)-1-benzoyl-3-(dimethylamino)methylidenepyrrolidin-2-one

5042-30-8

2,2,2,trifluoroethylhydrazine

958462-23-2

N-{2-[5-hydroxy-1-(2,2,2-trifluoroethyl)-1H-pyrazol-4-yl]ethyl}benzamide

Conditions
ConditionsYield
With hydrogenchloride In propan-1-ol for 4h; Heating;94%

2,2,2-Trifluoroethylhydrazine Chemical Properties


IUPAC Name: 2,2,2-Trifluoroethylhydrazine
Molecular Formula: C2H5F3N2
Molecular Weight: 114.07 g/mol
Canonical SMILES: C(C(F)(F)F)NN
InChI: InChI=1S/C2H5F3N2/c3-2(4,5)1-7-6/h7H,1,6H2
EINECS: 225-734-0
Product Categories: Aliphatics; Hydrazines; Nitrogen Compounds; Organic Building Blocks
Storage temperature: Flammables area
XLogP3-AA: 0.2
H-Bond Donor: 2
H-Bond Acceptor: 5
Surface Tension: 20.4 dyne/cm
Density: 1.261 g/cm3
Flash Point: 42.8 °C
Enthalpy of Vaporization: 32.36 kJ/mol
Boiling Point: 83.1 °C at 760 mmHg
Vapour Pressure of 2,2,2-Trifluoroethylhydrazine (CAS NO.5042-30-8): 76.5 mmHg at 25 °C

2,2,2-Trifluoroethylhydrazine Safety Profile

Hazard Codes: HarmfulXn
Risk Statements: 10-20/21/22 
R10: Flammable. 
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 36 
S36: Wear suitable protective clothing.
RIDADR: UN 1993 3/PG 3
Hazard Note: Harmful
HazardClass: 3.2
PackingGroup of 2,2,2-Trifluoroethylhydrazine (CAS NO.5042-30-8): III

2,2,2-Trifluoroethylhydrazine Specification

 2,2,2-Trifluoroethylhydrazine (CAS NO.5042-30-8), its Synonyms are 2,2,2-Trifluoroethylhydrazine,aqueoussolution ; 2,2,2-Trifluoroethylhydrazine, 70 wt% aqueous solution ; 2,2,2-trifluoroethylhydrazine solution ; Trifluoroethylhydrazine ; 2,2,2-Trifluoroethylhydrazine, 70% aqueous solution . It is clear yellow to green liquid. 

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