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HomeProduct name listHydrazine monohydrochloride

Hydrazine monohydrochloride

  • CAS NO.:2644-70-4
  • Empirical Formula: ClH5N2
  • Molecular Weight: 68.51
  • MDL number: MFCD00044368
  • EINECS: 220-154-4
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-19 15:53:33
Hydrazine monohydrochloride Structural

What is Hydrazine monohydrochloride?

Chemical properties

Hydrazine monohydrochloride is white to slightly beige crystals or cryst. powder; melts at 93°C; decomposes around 200°C; very soluble in water (37 g/100mL at 20°C); slightly soluble in alcohol.

Physical properties

White flakes; orthorhombic crystals; density 1.5 g/cm3; melts at 93°C;decomposes around 200°C; very soluble in water (37 g/100mL at 20°C); slightly soluble in alcohol.

The Uses of Hydrazine monohydrochloride

Hydrazine monohydrochloride has been used:

  • as catalyst in the synthesis of titanium oxide polymers via catalytic sol-gel process
  • in fabrication of amorphous titanium dioxide (TiO2) thin films exhibiting high refractive indices and high transparency
  • in preparation of ethyl 3-ethoxy-1H-pyrazole-4-carboxylate

The Uses of Hydrazine monohydrochloride

Hydrazine hydrochloride is used to prepare other hydrazine derivatives.

What are the applications of Application

Hydrazine monohydrochloride is Has been used as catalyst in the synthesis of titanium oxide polymers

Preparation

Hydrazine hydrochloride is prepared by the reaction of hydrazine with hydrogen chloride:
N2H4 + HCl → N2H4 •HCl

Hazard

Hydrazine hydrochloride is moderately toxic by all routes of exposure. Theoral LD50in mice is 126 mg/kg.

Purification Methods

Prepare it by dropwise addition of cold conc HCl to cold liquid hydrazine in equimolar amounts. The crystals are harvested from water and are twice recrystallised from absolute MeOH and dried under a vacuum. [Kovack et al. J Am Chem Soc 107 7360 1985.]

Toxicity evaluation

Hydrazine hydrochloride is moderately toxic by all routes of exposure. The oral LD50 in mice is 126 mg/kg.

Properties of Hydrazine monohydrochloride

Melting point: 89 °C(lit.)
Boiling point: 240°C
Density  1.500
storage temp.  Inert atmosphere,Room Temperature
solubility  DMSO (Slightly), Methanol (Slightly)
form  white orthorhombic crystals
color  White to Almost white
Water Solubility  370 g/L (20 ºC)
Stability: Hygroscopic
CAS DataBase Reference 2644-70-4(CAS DataBase Reference)
EPA Substance Registry System Hydrazine, monohydrochloride (2644-70-4)

Safety information for Hydrazine monohydrochloride

Signal word Danger
Pictogram(s)
ghs
Skull and Crossbones
Acute Toxicity
GHS06
ghs
Health Hazard
GHS08
ghs
Environment
GHS09
GHS Hazard Statements H317:Sensitisation, Skin
H350:Carcinogenicity
H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P202:Do not handle until all safety precautions have been read and understood.
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.

Computed Descriptors for Hydrazine monohydrochloride

InChIKey BIVUUOPIAYRCAP-UHFFFAOYSA-N

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