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Hydrazine sulfate

Description Chemical properties Uses Production method
Hydrazine sulfate
Hydrazine sulfate structure
Chemical Name:
Hydrazine sulfate
nsc-150014;siranhydrazinu;Diamine sulfate;idrazinasolfato;diamidogensulfate;HYDRAZINE SULFATE;HYDRAZINE SULPHATE;hydrazoniumsulfate;HYDRAZINIUM SULFATE;HYDRAZINESULFATE,CP
Molecular Formula:
Formula Weight:
MOL File:

Hydrazine sulfate Properties

Melting point:
254 °C(lit.)
1,37 g/cm3
storage temp. 
Storage temperature: no restrictions.
Crystalline Powder
Specific Gravity
1.5 (50g/l, H2O, 20℃)
Water Solubility 
30 g/L (20 ºC)
Stable. Incompatible with nitrites, strong oxidizing agents.
CAS DataBase Reference
10034-93-2(CAS DataBase Reference)
NIST Chemistry Reference
Hydrazine dihydrogen sulfate (salt)(10034-93-2)
EPA Substance Registry System
Hydrazine, sulfate (1:1)(10034-93-2)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  T,N
Risk Statements  45-23/24/25-43-50/53-35
Safety Statements  53-45-60-61-36/37/39-26
RIDADR  UN 2923 8/PG 3
WGK Germany  3
RTECS  MV9625000
HazardClass  8
PackingGroup  II
HS Code  28251090
Hazardous Substances Data 10034-93-2(Hazardous Substances Data)
Toxicity Hydrazine sulfate is moderately toxic. Symptoms of ingestion are paresthesia, somnolence, nausea, and vomiting. It also is an irritant to the eye. It is a confirmed carcinogen and an experimental teratogen.
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H311 Toxic in contact with skin Acute toxicity,dermal Category 3 Danger P280, P302+P352, P312, P322, P361,P363, P405, P501
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H331 Toxic if inhaled Acute toxicity,inhalation Category 3 Danger P261, P271, P304+P340, P311, P321,P403+P233, P405, P501
H350 May cause cancer Carcinogenicity Category 1A, 1B Danger
H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning P273, P391, P501
H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:
P201 Obtain special instructions before use.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.

Hydrazine sulfate price More Price(12)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 216046 Hydrazine sulfate salt ACS reagent, ≥99.0% 10034-93-2 5g $46.5 2018-11-13 Buy
Sigma-Aldrich 216046 Hydrazine sulfate salt ACS reagent, ≥99.0% 10034-93-2 100g $64.4 2018-11-13 Buy
Alfa Aesar 040120 Hydrazine sulfate, ACS, 99.0% min 10034-93-2 500g $88.4 2018-11-16 Buy
Alfa Aesar A10792 Hydrazine sulfate, 99+% 10034-93-2 1kg $107 2018-11-13 Buy
Sigma-Aldrich 455865 Hydrazine sulfate salt 99.999% trace metals basis 10034-93-2 25g $156 2018-11-13 Buy

Hydrazine sulfate Chemical Properties,Uses,Production


Hydrazine sulfate is salt which generated by hydrazine and sulfuric acid, pure product is colorless scaly crystal or rhombic. The molecular weight is 130.12. Formula is N2H4·H2SO4. Melting point is 254℃, when continues heating, it can decompose. The relative density is 1.37. It is slightly soluble in water, soluble in hot water (at 20℃ 2.87, at 25℃ 3.41, at 30℃ 3.89, at 40℃ 4.16, at 50 ℃ 7.0, at 60℃ 9.07, at 80℃ 14.4), aqueous solution is acidic , it is insoluble in alcohol and ether. It is very stable in air. It is susceptible to alkali and oxidizing agents, it is incompatible with bases, oxidants. It has strong reduction. Rat oral LD50601mg/kg, it is toxic, carcinogenic. The main purpose of hydrazine sulfate is used for determination the weight of nickel, cobalt, cadmium, and the purification of rare metals, the separation of tellurium and polonium, as well as the precipitation of chlorate, hypochlorite and carboxyl compound, it is also used for manufacturing isoniazid , nitrofurazone, 100 Health hydrazine, anhydrous hydrazine, etc., it is also used as reducing agent, insecticides and sterilization agents. Hydrazine sulfate is nutritional supplement in United States for fighting against anorexia, weight loss and other symptoms patients which caused by cancer.
Laboratory method for preparing hydrazine sulfate
1. Sodium hypochlorite is prepared by chlorine and sodium hydroxid, then reacts with ammonia to obtain hydrazine hydrate, and finally to obtain hydrazine by dehydration, and then reacts with sulfuric acid to obtain hydrazine sulfate products. Related chemical reaction equation is as follows:
2NH3 + NaClO → NH2Cl + NaOH
NH2Cl + NaOH + NH3 → N2H4 + NaCl + H2O
N2H4 + H2SO4 → N2H4 · H2SO4
2. When ammonia reacts with water, ammonium hydroxide can be obtained, and then by synthesis, hydrazine solution can be obtained, by evaporation, condensation, crystallization, and finally reacts with sulfuric acid to obtain hydrazine sulfate products.

Chemical properties

It is colorless scaly crystal or orthorhombic crystal. It is tasteless. It is slightly soluble in water, soluble in water, acidic aqueous solution. It is insoluble in alcohol.


1. It can be used as analytical reagent and reducing agent, it can also be used for the purification of rare metals.
2. It can be used as raw material for the manufacture of pharmaceutical. It can be used as raw material for azobisisobutyronitrile and other products in organic industry. It can be used as reducing agent on the plating. It can be used as insecticide, sterilizing agent in agriculture. It can be used as blowing agents in plastics and rubber.
3. It can be used for weight determination of nickel, cobalt and cadmium, purification of rare metals, reducing agents, organic synthesis, separation of polonium and tellurium, determination of hypochlorite, hypochlorous acid and carboxyl compounds, thymol turbidity is prepared in liver function tests. It can be used for isoniazid, nitrofurazone, 100 Health hydrazine, anhydrous hydrazine, pesticides and fungicides, for rocket fuel processing, anti-rust products, manufacture of ADC foaming agent. It is widely used in medicine, organic synthesis, pesticides, plastics, rubber and other industries.
The above information is edited by the chemicalbook of Wang Xiaodong.

Production method

Urea method: Urea, sodium hypochlorite, caustic soda, in the presence of potassium permanganate can react, by distillation, and then reacts with sulfuric acid for neutralization, the resultant passes through cooling and crystallization, filtration, drying to obtain hydrazine sulfate products.
NaOCI + NH2CONH2 + 2NaOH [KMnO4] → N2H4·H2O + NaCl + Na2CO3
N2H4·H2O + H2SO4 → N2H4·H2SO4 + H2O

Chemical Properties

colourless crystals or white powder


Hydrazine sulfate may be synthesized from aqueous ammonia and sodium hypochlorite solution in a two-step process. In the first stage, aqueous solution of ammonia is boiled with a normal solution of sodium hypochlorite in the presence of 10% gelatin solution to yield hydrazine. In the second stage, the hydrazine solution is ice-cooled followed by slow addition of concentrated sulfuric acid (Adams, R., and B.K. Brown. 1964. In Organic Synthesis, Collective Volume I, ed. H. Gilman and A. H. Blatt, 2nd ed. pp 309-310, New York: John Wiley & Sons). The reaction steps are as follows:
2NH3 + NaOCl → NH2NH2 + H2O + NaCl
NH2NH2 + H2SO4 → NH2NH2 •H2SO4


In the gravimetric estimation of nickel, cobalt and cadmium; in the refining of rare metals; as antioxidant in soldering flux for light metals; as reducing agent in the analysis of minerals and slags; in separating polonium from tellurium; in tests for blood; for destroying fungi and molds; in the preparation of hydrazine hydrate.


A carcinogen (OSHA).

Purification Methods

Its solubility in H2O is 3% at room temperature, but is very soluble in hot H2O. It is a suspected carcinogen. [Adams & Brown Org Synth Coll Vol I 309 1941, Audrieth & Nickles Inorg Synth I 90 1939.]

Hydrazine sulfate Preparation Products And Raw materials

Raw materials

Preparation Products

Hydrazine sulfate Suppliers

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Hydrazine sulfate Spectrum

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