CAS No.505-66-8,Homopiperazine Suppliers

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Basic Information

Molecular Structure:
CAS No.:	505-66-8
Name:	Homopiperazine
Article Data:	18

Formula:	C₅H₁₂N₂
Molecular Weight:	100.164
Synonyms:	1,4-Diazacycloheptane;Hexahydro-1,4-diazepine;Hexahydro-1H-1,4-diazepine;Perhydro-1,4-diazepine;Trimethyleneethylenediamine;
EINECS:	208-016-1
Density:	0.861 g/cm³
Melting Point:	38-40 ºC
Boiling Point:	169 ºC at 760 mmHg
Flash Point:	64.4 ºC
Solubility:	Soluble in water.
Appearance:	white to light yellow crystalline mass
Hazard Symbols:	Xi; C
Risk Codes:	21-34
Safety:	26-36/37/39-45-27
Transport Information:	UN 3259 8/PG 2
PSA:	24.06000
LogP:	0.22690

Synthetic route

: C15H28N2O4

: 505-66-8
1,4-Diazacycloheptane

Conditions

Conditions	Yield
With sodium hydroxide In ethanol for 3h; Reflux;	87%

: C5H10Br2N2

: 505-66-8
1,4-Diazacycloheptane

Conditions

Conditions	Yield
With sodium hydroxide In toluene Autoclave; Reflux; Large scale;	85%

: 1,4-bistrifluoroacetyl homopiperazine

: 505-66-8
1,4-Diazacycloheptane

Conditions

Conditions	Yield
Stage #1: 1,4-bistrifluoroacetyl homopiperazine With hydrogenchloride In ethanol at 40℃; for 5h; Autoclave; Large scale; Stage #2: With sodium hydroxide In water; toluene at 20℃; for 1h; Autoclave; Large scale;	83.05%

: 4461-39-6
2-[(3-aminopropyl)amino]ethanol

: 505-66-8
1,4-Diazacycloheptane

Conditions

Conditions	Yield
With hydrogen bromide
With 1,4-dioxane; hydrogen; nickel at 200℃; under 14710.2 Torr;

: 5451-44-5
N,N'-Di(phenylsulphonyl)hexahydro-1,4-diazepin

: 505-66-8
1,4-Diazacycloheptane

Conditions

Conditions	Yield
With sulfuric acid

: 107-21-1
ethylene glycol

: 109-76-2
Trimethylenediamine

: 505-66-8
1,4-Diazacycloheptane

Conditions

Conditions	Yield
With 1,4-dioxane; hydrogen; nickel at 200℃; under 29420.3 Torr;

: 505-66-8
1,4-Diazacycloheptane

: 372-48-5
2-fluoropyridine

: 131119-29-4
1,4-bis-(2-pyridyl)-1,4-diazacycloheptane

Conditions

Conditions	Yield
With triethylamine; Polytetrafluoroethylene In tetrahydrofuran at 100℃; under 6000480 Torr; for 96h;	100%
With triethylamine In tetrahydrofuran at 100℃; under 6000480 Torr; for 96h;	100%

: 505-66-8
1,4-Diazacycloheptane

: 98-88-4
benzoyl chloride

: 21615-34-9
2-Methoxybenzoyl chloride

: (4-benzoyl-[1,4]diazepan-1-yl)-(2-methoxy-phenyl)-methanone

Conditions

Conditions	Yield
Stage #1: 1,4-Diazacycloheptane With n-butyllithium In tetrahydrofuran at 20℃; for 1h; Metallation; Stage #2: benzoyl chloride In tetrahydrofuran Acylation; Stage #3: 2-Methoxybenzoyl chloride In tetrahydrofuran Acylation;	100%

...Expand

: 505-66-8
1,4-Diazacycloheptane

: 5-(2,6-dimethoxyphenyl)penta-(2E,4E)-dienoic acid

: 1,4-bis[5-(2,6-dimethoxyphenyl)penta-(2E,4E)-dienoyl]hexahydro-1,4-diazepine

Conditions

Conditions	Yield
	100%

: 505-66-8
1,4-Diazacycloheptane

: 28010-23-3
(E,E)-5-(3,4,5-trimethoxyphenyl)-2,4-pentadienoic acid

: 1,4-bis[5-(3,4,5-trimethoxyphenyl)penta-(2E,4E)-dienoyl]hexahydro-1,4-diazepine

Conditions

Conditions	Yield
	100%

Total:175 Page 1 of 5 1 2 3 4 5 Next>>

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Consensus Reports

Reported in EPA TSCA Inventory.

Specification

The Homopiperazine, with its CAS registry number 505-66-8, has the IUPAC name of 1,4-diazepane. For being a kind of white to light yellow crystalline mass, it is sensitive to air and hygroscopic, with its product categories including piperaizine.

The characteristics of this chemical are as below: (1)ACD/LogP: -0.48; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -4.43; (4)ACD/LogD (pH 7.4): -3.56; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 2; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 6.48; (13)Index of Refraction: 1.425; (14)Molar Refractivity: 29.75 cm³; (15)Molar Volume: 116.2 cm³; (16)Polarizability: 11.79×10^-24 cm³; (17)Surface Tension: 27.3 dyne/cm; (18)Density: 0.861 g/cm³; (19)Flash Point: 64.4 °C; (20)Enthalpy of Vaporization: 40.54 kJ/mol; (21)Boiling Point: 169 °C at 760 mmHg; (22)Vapour Pressure: 1.57 mmHg at 25°C; (23)Exact Mass: 100.100048; (24)MonoIsotopic Mass: 100.100048; (25)Topological Polar Surface Area: 24.1; (26)Heavy Atom Count: 7; (27)Complexity: 39.3; (28)Covalently-Bonded Unit Count: 1.

Use of this chemical: Homopiperazine could react with 2-bromo-thiazole to produce 1,4-bis-(2-thiazolyl)-1,4-diazacycloheptane. This reaction could happen in the presence of the reagent of triethylamin and the solvent of tetrahydrofuran, and it needs the reaction time of 4 days, the reaction temp. of 100 ℃ and the reaction pressure of 6.00048E+06.

When you are dealing with this chemical, you should be cautious. For one thing, it is irritant which may cause inflammation to the skin or other mucous membranes. And it is harmful if in contact with skin and then may causes burns; For another thing, it is corrosive which may destroy living tissue on contact. Therefore, you should wear suitable protective clothing, gloves and eye/face protection. If in case of contact with eyes, rinse immediately with plenty of water and seek medical advice, and if in case of accident or if you feel unwell seek medical advice immediately (show the label where possible). And if contact, take off immediately all contaminated clothing.

Additionally, you could obtain the molecular structure by converting the following datas:
(1)Canonical SMILES: C1CNCCNC1
(2)InChI: InChI=1S/C5H12N2/c1-2-6-4-5-7-3-1/h6-7H,1-5H2
(3)InChIKey: FQUYSHZXSKYCSY-UHFFFAOYSA-N

Below are the toxicity information of this chemical:

Organism	Test Type	Route	Reported Dose (Normalized Dose)	Effect	Source
rabbit	LD50	skin	1050uL/kg (1.05mL/kg)		American Industrial Hygiene Association Journal. Vol. 23, Pg. 95, 1962.
rat	LD50	oral	2830mg/kg (2830mg/kg)		American Industrial Hygiene Association Journal. Vol. 23, Pg. 95, 1962.