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HCID 321430Erstellt: 27. Oktober 2026

2-Chloro-3-hydrazinopyrazine

2-chloro-3-hydrazineylpyrazine · oro-3-hydrazinyL · 2-Chloro-3-hydrazinopyrazine · 2-CHLORO-3-HYDRAZINYLPYRAZINE · (3-Chloropyrazin-2-yl)hydrazine · Pyrazine,2-chloro-3-hydrazinyl- · 2-(3-chloropyrazin-2-yl)hydrazine · 3-Chloro-2(H)-pyrazinone hydrazone

https://huagongshe.com/de/chemical/321430

Molekülstruktur von 2-Chloro-3-hydrazinopyrazine

Identifikatoren & physikalische Daten

CAS No.	63286-28-2
Summenformel	C4H5ClN4
Durchschnittliche Molmasse	144,56 g/mol
Monoisotopische Masse	144,0202739 g/mol
SMILES	NNc1nccnc1Cl
InChIKey	PUUGNIKJWZNTBK-UHFFFAOYSA-N
PubChem CID	321430
EC No.	640-727-6
DTXSID	DTXSID00313546

Chemische & physikalische Eigenschaften

XLogP	0,3
Polarare Oberfläche (TPSA)	63,8
H-Brücken-Donoren	2
H-Brücken-Akzeptoren	4
Frei drehbare Bindungen	1
Schwere Atome	9
Formalladung	0
Komplexität	88
Schmelzpunkt	154-159°C
Siedepunkt	271.0±23.0 °C(Predicted)
Dichte	1.63±0.1 g/cm3(Predicted)
Lagerbedingungen	Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
Löslichkeit	DMSO (Slightly), Methanol (Slightly)
Aggregatzustand	Solid
pKa (Säurekonstante)	1.27±0.20(Predicted)
Farbe	Very Dark Red to Brown
InChI	1S/C4H5ClN4/c5-3-4(9-6)8-2-1-7-3/h1-2H,6H2,(H,8,9)
InChIKey	PUUGNIKJWZNTBK-UHFFFAOYSA-N
SMILES	NNc1nccnc1Cl

Sicherheit & Vorschriften

GHS-Einstufung	DangerH301 (97.6%): Toxic if swallowed [Danger Acute toxicity, oral]H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]H318 (95.1%): Causes serious eye damage [Danger Serious eye damage/eye irritation]H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P261, P264, P264+P265, P270, P271, P280, P301+P316, P302+P352, P304+P340, P305+P354+P338, P317, P319, P321, P330, P332+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 41 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Hazard Classes and Categories	Acute Tox. 3 (97.6%)Skin Irrit. 2 (100%)Eye Dam. 1 (95.1%)STOT SE 3 (100%)
Wassergefährdungsklasse (WGK)	3
UN-Transportnummer	UN 2811 6.1 / PGIII
Zollcode	2933998090
R-Sätze (R)	22-37/38-41
Gefahrensymbole	Xn
Sicherheitshinweise (S)	26-39
Gefahrenklasse	6.1Acute Tox. 3 OralEye Dam. 1Skin Irrit. 2STOT SE 3
Lagerklasse	6.1C - Combustible acute toxic Cat.3toxic compounds or compounds which causing chronic effects

2-Chloro-3-hydrazinopyrazine

CAS No.

63286-28-2

Summenformel

C4H5ClN4

Durchschnittliche Molmasse

144,56 g/mol

Monoisotopische Masse

144,0202739 g/mol

SMILES

NNc1nccnc1Cl

InChIKey

PUUGNIKJWZNTBK-UHFFFAOYSA-N

PubChem CID

321430

EC No.

640-727-6

DTXSID

DTXSID00313546

Chemische & physikalische Eigenschaften

XLogP

0,3

Polarare Oberfläche (TPSA)

63,8

H-Brücken-Donoren

H-Brücken-Akzeptoren

Frei drehbare Bindungen

Schwere Atome

Formalladung

Komplexität

Schmelzpunkt

154-159°C

Siedepunkt

271.0±23.0 °C(Predicted)

Dichte

1.63±0.1 g/cm3(Predicted)

Lagerbedingungen

Keep in dark place,Inert atmosphere,Store in freezer, under -20°C

Löslichkeit

DMSO (Slightly), Methanol (Slightly)

Aggregatzustand

Solid

pKa (Säurekonstante)

1.27±0.20(Predicted)

Farbe

Very Dark Red to Brown

InChI

1S/C4H5ClN4/c5-3-4(9-6)8-2-1-7-3/h1-2H,6H2,(H,8,9)

InChIKey

PUUGNIKJWZNTBK-UHFFFAOYSA-N

SMILES

NNc1nccnc1Cl

Sicherheit & Vorschriften

GHS-Einstufung

DangerH301 (97.6%): Toxic if swallowed [Danger Acute toxicity, oral]H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]H318 (95.1%): Causes serious eye damage [Danger Serious eye damage/eye irritation]H335 (100%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P261, P264, P264+P265, P270, P271, P280, P301+P316, P302+P352, P304+P340, P305+P354+P338, P317, P319, P321, P330, P332+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 41 reports by companies from 4 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.

Hazard Classes and Categories

Acute Tox. 3 (97.6%)Skin Irrit. 2 (100%)Eye Dam. 1 (95.1%)STOT SE 3 (100%)

Wassergefährdungsklasse (WGK)

UN-Transportnummer

UN 2811 6.1 / PGIII

Zollcode

2933998090

R-Sätze (R)

22-37/38-41

Gefahrensymbole

Sicherheitshinweise (S)

26-39

Gefahrenklasse

6.1Acute Tox. 3 OralEye Dam. 1Skin Irrit. 2STOT SE 3

Lagerklasse

6.1C - Combustible acute toxic Cat.3toxic compounds or compounds which causing chronic effects