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207942 Sigma-Aldrich

Hydrazine monohydrate

N2H4 64-65 %, reagent grade, 98%

Synonym: Hydrazinium hydroxide

  • CAS Number 7803-57-8

  • Linear Formula NH2NH2 · H2O

  • Molecular Weight 50.06

  •  Beilstein/REAXYS Number 878137

  •  EC Number 206-114-9

  •  MDL number MFCD00149931

  •  PubChem Substance ID 24852482

  •  NACRES NA.21

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Properties

Quality Level   100
grade   reagent grade
vapor density   >1 (vs air)
vapor pressure   5 mmHg ( 25 °C)
assay   98%
form   liquid
composition   N2H4, 64-65%
expl. lim.   99.99 %
refractive index   n20/D 1.428 (lit.)
pH   10.6-10.7 (10 g/L)
bp   120.1 °C (lit.)
mp   −51.7 °C (lit.)
density   1.032 g/mL at 25 °C (lit.)
storage temp.   room temp
SMILES string   O.NN
InChI   1S/H4N2.H2O/c1-2;/h1-2H2;1H2
InChI key   IKDUDTNKRLTJSI-UHFFFAOYSA-N

Description

General description

Crystals of hydrazine monohydrate exhibit triclinic crystal system and space group P3121.

Application

Hydrazine monohydrate has been used to synthesize 2-(6-ethylamino-3-ethylimino-2,7-dimethyl-3H-xanthen-9-yl)benzoic acid hydrazide and vinyl-benzylamine hydrochloride. It may also be used as a source of hydrogen via decomposition in the presence of supported bimetallic catalyst composed of Ni-Pt alloy nanoparticles and mesoporous CeO2 support.
Hydrazine monohydrate may be used as a reducing agent for the reduction of:
• Nitroarenes in the presence of hydrogen peroxide functionalized carbon nanotubes.
• 4-Iodo-3-nitroanisole to form 2-iodo-5-methoxyaniline.
• Graphene oxide (GO) to form graphene.

Packaging

2 kg in glass bottle

5, 100, 4×100, 500 g in glass bottle

Safety & Documentation

Safety Information

Signal word 
Danger
RIDADR 
UN 2030 8(6.1) / PGII
WGK Germany 
WGK 3
Flash Point(F) 
100.4 °F - closed cup - (anhydrous substance)
Flash Point(C) 
38 °C - closed cup - (anhydrous substance)

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles
Peer-Reviewed Papers
15

References

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901596 Hydrazine solution, 1.0 M in ethanol

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