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Name	tert-Butylhydrazine hydrochloride	EINECS	231-001-6
CAS No.	7400-27-3	Density	N/A
PSA	38.05000	LogP	2.14140
Solubility	Solubility in water (almost transparency). Soluble in DMSO and methanol.	Melting Point	191-194 °C(lit.)
Formula	C₄H₁₃ClN₂	Boiling Point	135 °C at 760 mmHg
Molecular Weight	124.614	Flash Point	35.8 °C
Transport Information	N/A	Appearance	White crystals or crystalline powder
Safety	26-36-24/25	Risk Codes	36/37/38
Molecular Structure		Hazard Symbols	Xi
Synonyms	Hydrazine,(1,1-dimethylethyl)-, monohydrochloride (9CI);Hydrazine, tert-butyl-,hydrochloride (6CI,7CI);Hydrazine, tert-butyl-, monohydrochloride (8CI);(1,1-Dimethylethyl)hydrazine hydrochloride;N'-tert-Butylhydrazinehydrochloride;tert-Butylhydrazinemonohydrochloride;tert-Butylhydrazinium chloride;	Article Data	4

tert-Butylhydrazine hydrochloride Synthetic route

: 13952-70-0
N,N'-di-tert-butylhydrazine hydrochloride

: 7400-27-3
tertbutylhydrazine hydrochloride

Conditions

Conditions	Yield
With hydrogenchloride for 0.25h; Heating;	97%

: 93807-28-4
di-tert-butyl 1-(tert-butyl)hydrazine-1,2-dicarboxylate

: 7400-27-3
tertbutylhydrazine hydrochloride

Conditions

Conditions	Yield
Stage #1: di-tert-butyl 1-(tert-butyl)hydrazine-1,2-dicarboxylate With acetyl chloride In methanol at 0℃; Sealed tube; Stage #2: With hydrogenchloride In methanol at 20℃; Sealed tube;

: 79371-20-3
P,1,2-Tri-tert-butylhydrazidophosphonsaeure-tert-butylester

: 7400-27-3
tertbutylhydrazine hydrochloride

Conditions

Conditions	Yield
With hydrogenchloride for 0.25h; Heating;	71%

: 79371-20-3
P,1,2-Tri-tert-butylhydrazidophosphonsaeure-tert-butylester

A: 4923-84-6
tert-butylphosphonic acid

B: 7400-27-3
tertbutylhydrazine hydrochloride

C: 13952-70-0
N,N'-di-tert-butylhydrazine hydrochloride

Conditions

Conditions	Yield
With hydrogenchloride In benzene at 0℃; Mechanism;

: 79371-16-7
P,1,2-Tri-tert-butylhydrazidophosphonsaeure-methylester

A: 4923-84-6
tert-butylphosphonic acid

B: 7400-27-3
tertbutylhydrazine hydrochloride

C: 13952-70-0
N,N'-di-tert-butylhydrazine hydrochloride

Conditions

Conditions	Yield
With hydrogenchloride In water at 80℃; for 7h; Mechanism; Heating;

: 7400-27-3
tertbutylhydrazine hydrochloride

: 123-06-8
Ethoxymethylenemalononitrile

: 158001-28-6
5-amino-1-(tert-butyl)-1H-pyrazole-4-carbonitrile

Conditions

Conditions	Yield
With triethylamine In ethanol; water at 78℃; for 3h;	96%
With triethylamine In ethanol at 78℃; for 3h;	96%
With triethylamine In ethanol for 3h; Reflux;	95%

: 1118-61-2
3-Aminocrotononitrile

: 7400-27-3
tertbutylhydrazine hydrochloride

: 141459-53-2
1-tert-butyl-3-methyl-1H-pyrazol-5-amine

Conditions

Conditions	Yield
With sodium hydroxide In water at 90℃; for 18h;	92%
Stage #1: tertbutylhydrazine hydrochloride With sodium hydroxide In water at 20℃; for 0.166667h; Stage #2: 3-Aminocrotononitrile In water at 90℃; for 22h;	87%
With sodium hydroxide In water at 90℃; for 18h; Large scale reaction;	86%
With acetic acid In ethanol at 75℃; for 18h;

: 24487-91-0
3-methoxy-2-methylbenzoyl chloride

: 7400-27-3
tertbutylhydrazine hydrochloride

: 163336-50-3
N-(3-methoxy-2-methylbenzoyl)-N'-tert-butylhydrazine

Conditions

Conditions	Yield
With sodium hydroxide In petroleum ether (80 - 110 C); water; xylene at 10 - 80℃; pH=9.0 - 9.5;	83.2%
With sodium hydroxide In dichloromethane; water
With sodium hydroxide In water; xylene; gasoline at 10 - 40℃; for 4.25h; pH=9.0 - 9.5;
With water; sodium hydroxide In dichloromethane at 20℃; for 6h;

: 7400-27-3
tertbutylhydrazine hydrochloride

: 118431-89-3
β-Cyclobutyl-β-oxopropionitrile

: 817641-86-4
1-tert-butyl-3-cyclobutyl-1H-pyrazol-5-amine

Conditions

Conditions	Yield
Stage #1: tertbutylhydrazine hydrochloride With sodium hydroxide In ethanol for 0.5h; Stage #2: β-Cyclobutyl-β-oxopropionitrile In ethanol at 75℃; for 14h;	80%
Stage #1: tertbutylhydrazine hydrochloride With sodium hydroxide In ethanol for 1h; Stage #2: β-Cyclobutyl-β-oxopropionitrile In ethanol for 12h; Heating / reflux;	80%
In ethanol for 20h; Reflux;
for 20h; Reflux;

: 7400-27-3
tertbutylhydrazine hydrochloride

: 5417-82-3
(1-ethoxyethylidene)malononitrile

: 1-tert-butyl-3-methyl-5-amino-1H-pyrazole-4-carbonitrile

Conditions

Conditions	Yield
With triethylamine In ethanol at 85℃; for 16h;	89%
With triethylamine In ethanol
With triethylamine In ethanol

tert-Butylhydrazine hydrochloride Chemical Properties

Molecular Structure of tert-Butylhydrazine hydrochloride (CAS No.7400-27-3):

Molecular Formula: C₄H₁₃ClN₂
Molecular Weight: 124.6124
IUPAC Name: Tert-butylhydrazine hydrochloride
CAS No: 7400-27-3
H bond acceptors: 2
H bond donors: 3
Freely Rotating Bonds: 2
Polar Surface Area: 6.48 Å²
Flash Point: 35.8 °C
Enthalpy of Vaporization: 37.24 kJ/mol
Boiling Point: 135 °C at 760 mmHg
Vapour Pressure: 7.89 mmHg at 25°C
InChI: InChI=1/C₄H₁₃ClN₂/c1-4(2,3)6-5;/h6H,5H2,1-3H3;1H
InChIKey: DDPWVABNMBRBFI-UHFFFAOYAX
Std. InChI: InChI=1S/C₄H₁₃ClN₂/c1-4(2,3)6-5;/h6H,5H2,1-3H3;1H
Std. InChIKey: DDPWVABNMBRBFI-UHFFFAOYSA-N
Synonyms: (1,1-dimethylethyl)Hydrazinemonohydrochloride ; (1,1-dimethylethyl)-Hydrazinmonohydrochloride ; Hydrazine,(1,1-dimethylethyl)-,monohydrochloride ; tert-Butyl-hydrazinhydrochloride ; tert-Butylhydraziniumchloride ; tert-Butyl-hydrazinmonohydrochloride ; 1-(tert-butyl)Hydrazine hydrochloride
Appearance: White crystals or crystalline powder
Product Categories: Small molecule; Hydrazines; Nitrogen Compounds; Organic Building Blocks

tert-Butylhydrazine hydrochloride Uses

1.It can be used for synthesising of hydrazine insecticide inhibiting food hydrazine, two hydrazide insecticide tebufenozide (m full, tebufenozide), chlorine tebufenozide (halofenozide), methoxyfenozide (methoxyfenozide) , ring tebufenozide (chromafenozide), and the acaricide pyridaben.
2.It also can be used as medicine and pesticide intermediates.

tert-Butylhydrazine hydrochloride Production

There are several preparation methods reported in the literature-tert-butyl hydrazine hydrochloride :
1. tert-Butyl ammonium chloride and ammonia reaction. Reaction formula:
NH₂-Cl + H₂N-C₄H₉-t → H₂N-NH-C₄H₉-t·HCl
2. Diphenyl diazomethane reaction with Grignard reagents, intermediates obtained further acidolysis. Reaction formula:
(C₆H₅)₂C = N₂[t-C₄H₉MgCl] →(C₆H₅)₂ = N-NH-C₄H₉-t [HCl] → (C₆H₅)₂C = O + H₂N-NH-C₄H₉-t·HCl
3. The role of the acid, by the direct reaction of hydrazine hydrate, and tert-butyl alcohol. Reaction equation:
NH₂NH₂·HCl + (CH₃)₃COH [HCl] → (CH₃)₃CNHNH₂·HCl +2 H₂O

tert-Butylhydrazine hydrochloride Safety Profile

Hazard Codes: Irritant Xi
Risk Statements:36/37/38
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements:26-36-24/25
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36:Wear suitable protective clothing.
S24/25:Avoid contact with skin and eyes.
RIDADR:2811
WGK Germany:3
RTECS:MV2841000
Hazard Note:Irritant
PackingGroup:III

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