ChemicalBook > CAS DataBase List > 3-CHLORO-2-HYDRAZINO-1,2-DIHYDROPYRAZINE HYDROCHLORIDE

3-CHLORO-2-HYDRAZINO-1,2-DIHYDROPYRAZINE HYDROCHLORIDE

Product Name
3-CHLORO-2-HYDRAZINO-1,2-DIHYDROPYRAZINE HYDROCHLORIDE
CAS No.
63286-28-2
Chemical Name
3-CHLORO-2-HYDRAZINO-1,2-DIHYDROPYRAZINE HYDROCHLORIDE
Synonyms
oro-3-hydrazinyL;2-Chloro-3-hydrazinopyrazine;2-CHLORO-3-HYDRAZINYLPYRAZINE;2-chloro-3-hydrazineylpyrazine;(3-Chloropyrazin-2-yl)hydrazine;Pyrazine,2-chloro-3-hydrazinyl-;2-(3-chloropyrazin-2-yl)hydrazine;3-Chloro-2(H)-pyrazinone hydrazone;2-Chloro-3-hydrazinopyrazine, 97%min;2-chloro-3-hydrazinopyrazine(SALTDATA: FREE)
CBNumber
CB8221810
Molecular Formula
C4H5ClN4
Formula Weight
144.56
MOL File
63286-28-2.mol
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3-CHLORO-2-HYDRAZINO-1,2-DIHYDROPYRAZINE HYDROCHLORIDE Property

Melting point:
154-159°C
Boiling point:
271.0±23.0 °C(Predicted)
Density 
1.63±0.1 g/cm3(Predicted)
storage temp. 
Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
solubility 
DMSO (Slightly), Methanol (Slightly)
form 
Solid
pka
1.27±0.20(Predicted)
color 
Very Dark Red to Brown
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Safety

Hazard Codes 
Xn
Risk Statements 
22-37/38-41
Safety Statements 
26-39
RIDADR 
UN 2811 6.1 / PGIII
WGK Germany 
3
HazardClass 
6.1
HS Code 
2933998090
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H301Toxic if swalloed

H315Causes skin irritation

H318Causes serious eye damage

H335May cause respiratory irritation

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
738964
Product name
2-Chloro-3-hydrazinopyrazine
Purity
95%
Packaging
1g
Price
$54.28
Updated
2025/07/31
Usbiological
Product number
270062
Product name
3-Chloro-2-Hydrazino-1,2-Dihydropyrazine Hydrochloride
Packaging
250mg
Price
$375
Updated
2021/12/16
TRC
Product number
C367643
Product name
2-Chloro-3-hydrazinylpyrazine
Packaging
1g
Price
$80
Updated
2021/12/16
Matrix Scientific
Product number
072452
Product name
2-Chloro-3-hydrazinylpyrazine
Purity
95+%
Packaging
5g
Price
$98
Updated
2021/12/16
Biosynth Carbosynth
Product number
FC53681
Product name
3-Chloro-2-Hydrazino-1,2-Dihydropyrazine Hydrochloride
Packaging
1g
Price
$100
Updated
2021/12/16
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3-CHLORO-2-HYDRAZINO-1,2-DIHYDROPYRAZINE HYDROCHLORIDE Chemical Properties,Usage,Production

Synthesis

4858-85-9

63286-28-2

Step 1: 2,3-Dichloropyrazine (150 g, 1.00 mol) was dissolved in ethanol (700 mL) to which hydrazine monohydrate (124.53 g, 2.11 mmol, 85% aqueous solution) was subsequently added. The reaction mixture was heated under reflux conditions overnight. Upon completion of the reaction, the mixture was cooled and the precipitate was collected by filtration. The resulting solid was washed sequentially with water (100 mL, twice) and cold ethanol (150 mL, twice) and finally dried under reduced pressure to give 2-chloro-3-hydrazinopyrazine (140 g, 96% yield).

References

[1] Patent: WO2016/55618, 2016, A1. Location in patent: Page/Page column 64
[2] Patent: US2014/142098, 2014, A1. Location in patent: Paragraph 0233 - 0236
[3] Patent: US2015/133447, 2015, A1. Location in patent: Paragraph 0287; 0288; 0289
[4] Patent: WO2013/39785, 2013, A2. Location in patent: Page/Page column 80; 81
[5] Patent: WO2008/130951, 2008, A1. Location in patent: Page/Page column 60

3-CHLORO-2-HYDRAZINO-1,2-DIHYDROPYRAZINE HYDROCHLORIDE Preparation Products And Raw materials

Raw materials

Preparation Products

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3-CHLORO-2-HYDRAZINO-1,2-DIHYDROPYRAZINE HYDROCHLORIDE Suppliers

J & K SCIENTIFIC LTD.
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18210857532; 18210857532
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jkinfo@jkchemical.com
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PharmaBlock Sciences (Nanjing),Inc.
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sales@pharmablock.com
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Pure Chemistry Scientific Inc.
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001-857-928-2050 or 1-888-588-9418
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001-617-206-9595
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sales@chemreagents.com
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United States
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Bide Pharmatech Ltd.
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63286-28-2, 3-CHLORO-2-HYDRAZINO-1,2-DIHYDROPYRAZINE HYDROCHLORIDERelated Search:


  • 2-CHLORO-3-HYDRAZINYLPYRAZINE
  • 3-Chloro-2(H)-pyrazinone hydrazone
  • 3-CHLORO-2-HYDRAZINO-1,2-DIHYDROPYRAZINE HYDROCHLORIDE
  • (3-Chloropyrazin-2-yl)hydrazine
  • 2-Chloro-3-hydrazinopyrazine
  • 2-chloro-3-hydrazinopyrazine(SALTDATA: FREE)
  • 2-(3-chloropyrazin-2-yl)hydrazine
  • Pyrazine,2-chloro-3-hydrazinyl-
  • (3-Chloro-pyrazin-2-yl)-hydrazine hydrochloride
  • oro-3-hydrazinyL
  • 2-chloro-3-hydrazineylpyrazine
  • 2-Chloro-3-hydrazinopyrazine, 97%min
  • 63286-28-2
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