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8.04608

Sigma-Aldrich

Hydrazinium hydroxide

(about 100% N₂H₅OH) for synthesis

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Synonym(s):
Hydrazinium hydroxide, Hydrazine hydrate
Empirical Formula (Hill Notation):
H4N2 · xH2O
CAS Number:
Molecular Weight:
32.05 (anhydrous basis)
MDL number:
EC Index Number:
206-114-9

vapor pressure

20 hPa ( 20 °C)

Quality Level

form

liquid

autoignition temp.

280 °C

potency

169 mg/kg LD50, oral (Rat)

expl. lim.

3.4-99 % (v/v)

pH

10-11 (20 °C, 10 g/L in H2O)

bp

120.5 °C/1013 hPa

mp

-51.7 °C

density

1.03 g/cm3 at 20 °C

storage temp.

15-25°C

InChI

1S/H4N2.H2O/c1-2;/h1-2H2;1H2

InChI key

IKDUDTNKRLTJSI-UHFFFAOYSA-N

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1.046038.0460453847
Hydrazinium hydroxide (about 100% N₂H₅OH) for synthesis

8.04608

Hydrazinium hydroxide

Hydrazinium sulfate GR for analysis ACS,Reag. Ph Eur

1.04603

Hydrazinium sulfate

Hydrazine hydrate solution puriss. p.a., 24-26% in H2O (RT)

53847

Hydrazine hydrate solution

Quality Level

200

Quality Level

100

Quality Level

200

Quality Level

200

mp

-51.7 °C

mp

254 °C (decomposition)

mp

-60 °C

mp

-

vapor pressure

20 hPa ( 20 °C)

vapor pressure

-

vapor pressure

13 hPa ( 20 °C)

vapor pressure

-

density

1.03 g/cm3 at 20 °C

density

1.37 g/cm3 at 20 °C

density

1.02 g/cm3 at 20 °C

density

1.01 g/mL at 20 °C

pH

10-11 (20 °C, 10 g/L in H2O)

pH

1.5 (20 °C, 50 g/L in H2O)

pH

10.6-10.7 (20 °C, 10 g/L in H2O)

pH

-

application

Hydrazinium hydroxide (N2H4.H2O) can be used as a reducing agent to synthesize:
  • Magnetic nickel nanoparticles by polyol process using nickel acetate as a precursor.
  • Cu@Cu2O core-shell nanoparticles via a chemical reduction method using CuSO4.5H2O as a precursor.

It can also be used as a reactant to prepare:
2H-indazolo[2,1-b]phthalazine-1,6,11(13H)-trione derivatives by Ce(SO4)2·4H2O catalyzed condensation reaction with phthalic anhydride, aromatic aldehydes, and dimedone.

signalword

Danger

Hazard Classifications

Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B - Skin Sens. 1

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

100.4 °F - closed cup - (anhydrous substance)

flash_point_c

38 °C - closed cup - (anhydrous substance)


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Synthesis and characterization of ferromagnetic nickel nanoparticles
Altincekic, TG, et al.
Journal of Superconductivity and Novel Magnetism, 25(8), 2771-2775 (2012)
Synthesis and characterization of Cu@ Cu2O core shell nanoparticles prepared in seaweed Kappaphycus alvarezii Media
Khanehzaei H, et al.
International Journal of Electrochemical Science, 9, 8189-8198 (2014)
A rapid, one-pot, four-component route to 2H-indazolo [2, 1-b] phthalazine-triones
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