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225819

Sigma-Aldrich

Hydrazine hydrate

reagent grade, N2H4 50-60 %

Synonyme(s) :

Hydrazinium hydroxide

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About This Item

Formule linéaire :
NH2NH2 · xH2O
Numéro CAS:
10217-52-4
Poids moléculaire :
32.05 (anhydrous basis)
Numéro CE :
206-114-9
Numéro MDL:
MFCD00149931
Code UNSPSC :
12352302
ID de substance PubChem :
57647990
Nomenclature NACRES :
NA.21

Qualité

reagent grade

Niveau de qualité

200

Densité de vapeur

>1 (vs air)

Pression de vapeur

5 mmHg ( 25 °C)

Forme

liquid

Composition

Degree of hydration, ~1.5
N2H4, 50-60%

Limite d'explosivité

99.99 %

Concentration

50.0-60.0% (%H4N2 by Na2S2O3 basis, titration)

Densité

1.029 g/mL at 25 °C (lit.)

Chaîne SMILES 

NN.[H]O[H]

InChI

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

Clé InChI

IKDUDTNKRLTJSI-UHFFFAOYSA-N

Description générale

The addition of hydrazine hydrate to reduced graphene oxide (RGO) counter electrode improves its performance in dye-sensitized solar cells (DSSC).

Application

Hydrazine hydrate has been used for the deproteination of the enamel samples in a study. It may be used as a reducing agent in the following:
  • Preparation of silver nanoparticles.
  • Transformation of monosubstituted nitrobenzene derivatives to the corresponding anilines.
  • Along with graphite for the conversion of nitro compounds (aromatic and aliphatic) to the amino compounds.
Hydrazine hydrate may be used to prepare:
  • 3-(2-Benzyloxy-6-hydroxyphenyl)-5-styrylpyrazoles by reacting with 5-benzyloxy-2-styrylchromones.
  • 3,5-Diphenyl-2-pyrazoline derivatives by reacting with 1,3-diphenyl-2-propen-1-one.
  • 3′-Aryl-1,2,3,4,4′,5′-hexahydrospiro[quinoxalin-2,5′-pyrazol]-3-ones by reacting with 3-arylacylidene-3,4-dihydroquinoxalin-2(1H)-ones.
  • It may also be used in the catalytic reduction of nitroarenes to aromatic amines.

Produit(s) apparenté(s)

Réf. du produit
Description
Tarif

Mention d'avertissement

Danger

Classification des risques

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

Code de la classe de stockage

3 - Flammable liquids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

204.8 °F - closed cup

Point d'éclair (°C)

96 °C - closed cup

Équipement de protection individuelle

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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Certificats d'analyse (COA)

Lot/Batch Number
BCCG9901
MKCQ7794
BCCG8835
BCCG7823
MKCQ2147

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Hydrazine dihydrochloride

Synthesis and molecular structure of 3-(2-benzyloxy-6-hydroxyphenyl)-5-styrylpyrazoles. Reaction of 2-styrylchromones and hydrazine hydrate.
Pinto DC, et al.
Tetrahedron, 55(33), 10187-10200 (1999)
Effects of hydrazine hydrate treatment on the performance of reduced graphene oxide film as counter electrode in dye-sensitized solar cells.
Qiu L, et al.
Applied Surface Science, 319, 339-343 (2014)
T Baumann et al.
Scientific reports, 5, 15194-15194 (2015-10-16)
Enamel proteins form a scaffold for growing hydroxyapatite crystals during enamel formation. They are then almost completely degraded during enamel maturation, resulting in a protein content of only 1% (w/v) in mature enamel. Nevertheless, this small amount of remaining proteins
Graphite catalyzed reduction of aromatic and aliphatic nitro compounds with hydrazine hydrate.
Byung HH, et al.
Tetrahedron Letters, 26(50), 6233-6234 (1985)
Synthesis and antidepressant activities of some 3, 5-diphenyl-2-pyrazolines.
Palaska E, et al.
The Journal of Organic Chemistry, 36(6), 539-543 (2001)
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