207942

Hydrazine monohydrate

N₂H₄ 64-65 %, reagent grade, ≥97%

• Synonym(s): Hydrazinium hydroxide
• Linear Formula: NH₂NH₂ · H₂O
• CAS Number: 7803-57-8
• Molecular Weight: 50.06
• Beilstein/REAXYS Number: 878137
• EC Number: 206-114-9
• MDL number: MFCD00149931
• UNSPSC Code: 12352300
• PubChem Substance ID: 24852482
• NACRES: NA.21

Properties

• grade: reagent grade
• Quality Level: 100
• vapor density: >1 (vs air)
• vapor pressure: 5 mmHg ( 25 °C)
• assay: ≥97%
• 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.)
• 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.

Safety Information

• pictograms: GHS02,GHS06,GHS08,GHS05,GHS09
• signalword: Danger
• hcodes: H226,H301 + H311,H314,H317,H330,H350,H410
• pcodes: P210 - P273 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• 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)
• ppe: Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter