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
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) |
Skull and Crossbones Acute Toxicity GHS06 Health Hazard GHS08 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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