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Hydrazine hydrate|7803-57-8
Cas No: 7803-57-8
No Data 1 Metric Ton 5 Metric Ton/Day Zouping Mingxing Chemical Co.,Ltd. Contact Supplier
Fresh In Stock:Hydrazine 1-hydrate with BEST PRICE
Cas No: 7803-57-8
USD $ 1.0-1.0 / Metric Ton 1 Metric Ton 1000 Metric Ton/Day Scale Chemical Corporation Contact Supplier
Hydrazine Monohydrate
Cas No: 7803-57-8
No Data 1 Gram 20 Metric Ton/Month Henan Allgreen Chemical Co.,Ltd Contact Supplier
Hydrazine hydrate 100% 80% 64% 55% 40% 35% 24%
Cas No: 7803-57-8
No Data 1 Metric Ton 1000 Metric Ton/Month EAST CHEMSOURCES LIMITED Contact Supplier
Amadis Chemical offer CAS#7803-57-8;CAT#A839316
Cas No: 7803-57-8
No Data 10 Milligram Amadis Chemical Co., Ltd. Contact Supplier
7803-57-8 H6N2O Hydrazine hydrate
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No Data 10 Gram 1 Kilogram/Day HENAN SUNLAKE ENTERPRISE CORPORATION Contact Supplier
TIANFUCHEM--7803-57-8--Hydrazine hydrate in stock
Cas No: 7803-57-8
USD $ 2000.0-2000.0 / Metric Ton 1 Metric Ton 1000 Metric Ton/Day Henan Tianfu Chemical Co., Ltd. Contact Supplier
Cas No: 7803-57-8
USD $ 1.0-2.0 / Metric Ton 1 Metric Ton 2 Metric Ton/Day Hubei Jusheng Technology Co., Ltd., Contact Supplier
Hydrazine monohydrate with high quality &low price
Cas No: 7803-57-8
No Data 10 Gram 1000 Metric Ton/Month HUBEI AOKS BIO-TECH CO.,LTD Contact Supplier
High quality and low price Hydrazine hydrate
Cas No: 7803-57-8
USD $ 3.0-3.0 / Metric Ton 1 Metric Ton 500 Metric Ton/Month Global Championship Chem Co.,Ltd Contact Supplier

7803-57-8 Usage

Reactivity Profile

Hydrazine hydrate is a base and a very powerful reducing agent. Very corrosive. Violent reaction on contact with alkali metals (sodium, potassium), 2,4-dinitrochlorobenzene, tin dichloride, mercury oxide. Vigorous neutralization reaction with acids. Emits toxic fumes of nitrogen oxides when heated to decomposition [Lewis, 3rd ed., 1993, p. 680]. Reacts with tin(II) chloride to give tin(II) dihydrazine chloride, which decomposes explosively when heated [Mellor 7:430(1946-1947)]. Reacts exothermically and violently with 2,4-dinitrochlorobenzene [Wischmeyer (1967)].


Hydrazine hydrate is prepared by treating hydrazine sulfate, N2H4•H2SO4 with sodium hydroxide. The product is collected by distillation under nitrogen. It also is obtained as a by-product in the Bayer Ketazine process for producing hydrazine in which hydrazine solution is hydrolysed under pressure in a ketazine column.

General Description

A colorless fuming liquid with a faint ammonia-like odor. Corresponds to a 64% aqueous solution of hydrazine in water. Combustible but may require some effort to ignite. Contact with oxidizing materials may cause spontaneous ignition. Toxic by inhalation and by skin absorption. Corrosive to tissue. Produces toxics oxides of nitrogen during combustion.


Hydrazine hydrate is used as a reducing agent in synthetic and analytical reactions and as a solvent for many inorganic compounds. It also is used with methanol as a propellant for rocket engines. Another application is catalytic decomposition of hydrogen peroxide.

Chemical Properties

colourless fuming liquid

Purification Methods

It is best obtained by heating hydrazine sulphate (200g), NaOH (160g) and H2O (75mL, exothermic) in a copper flask under reflux for 1.5hours then distilled off (using a flame to remove all the hydrazine). The distillate (175mL) is a clear liquid which contains ~40-45% of N2H4. Note that hydrazine attacks glass, rubber and cork, and stainless steel equipment should be used. The percentage of hydrazine is determined by titration with standard acid (methyl orange indicator) or against standard iodine (starch indicator). Hydrazine monohydrate should contain 64% of N2H4. The ~40-45% solution may be concentrated by mixing it (144mL) with xylene (230mL) and distilling it through an efficient fractionating column (e.g. Hempel column, p 10). All the xylene passes over with about 85mL of H2O. On distilling the residue, hydrated hydrazine (50mL) is obtained containing 80-85% of N2H4. This can be diluted with conductivity H2O to 64% N2H4 to give the monohydrate. Hydrazine and its hydrates have VERY IRRITATING and TOXIC vapours and should be used in an efficient fume cupboard. [Schenk in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I pp 469-472 1963.]

Health Hazard

TOXIC; inhalation, ingestion or skin contact with material may cause severe injury or death. Contact with molten substance may cause severe burns to skin and eyes. Avoid any skin contact. Effects of contact or inhalation may be delayed. Fire may produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.

Fire Hazard

Combustible material: may burn but does not ignite readily. When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion hazards. Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated. Runoff may pollute waterways. Substance may be transported in a molten form.

Air & Water Reactions

Fumes in air. Water soluble.

7803-57-8 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
Alfa Aesar (A14005)  Hydrazine monohydrate, 98+%    7803-57-8 2500g 2742.0CNY Detail
Alfa Aesar (A14005)  Hydrazine monohydrate, 98+%    7803-57-8 500g 641.0CNY Detail
Alfa Aesar (A14005)  Hydrazine monohydrate, 98+%    7803-57-8 250g 438.0CNY Detail
Alfa Aesar (A14005)  Hydrazine monohydrate, 98+%    7803-57-8 50g 188.0CNY Detail
TCI America (H0204)  Hydrazine Monohydrate (79%)   7803-57-8 500g 350.00CNY Detail
TCI America (H0204)  Hydrazine Monohydrate (79%)   7803-57-8 25g 130.00CNY Detail
TCI America (H0172)  Hydrazine Monohydrate  >98.0%(T) 7803-57-8 500mL 380.00CNY Detail
TCI America (H0172)  Hydrazine Monohydrate  >98.0%(T) 7803-57-8 25mL 150.00CNY Detail



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 12, 2017

Revision Date: Aug 12, 2017


1.1 GHS Product identifier

Product name hydrazine hydrate

1.2 Other means of identification

Product number -
Other names Hydrazine Hydrate

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

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