ACETONE THIOSEMICARBAZONE

PRODUCT IDENTIFICATION

CAS NO. 1752-30-3

ACETONE THIOSEMICARBAZONE

EINECS NO. 217-137-9
FORMULA C4H9N3S
MOL WT. 131.20

H.S. CODE

2928.00

TOXICITY

 
SYNONYMS 2-(1-methylethylidene)hydrazinecarbothioamide;
SMILES

 

CLASSIFICATION

 

PHYSICAL AND CHEMICAL PROPERTIES

PHYSICAL STATE white crystals
MELTING POINT

172- 175 C

BOILING POINT  
SPECIFIC GRAVITY  
SOLUBILITY IN WATER  

SOLVENT SOLUBILITY

 
pH  
VAPOR DENSITY  

REFRACTIVE INDEX

 

AUTOIGNITION

 

NFPA RATINGS  
FLASH POINT  
STABILITY

Stable under ordinary conditions

GENERAL DESCRIPTION AND APPLICATIONS

Hydrazine (anhydrous) is a clear, fuming, corrosive liquid with an ammonia-like odor; melting at 1.4 C, boiling at 113.5 C, specific gravity 1.011. It is very soluble in water and soluble in alcohol. It decomposes on heating or exposure to UV to form ammonia, hydrogen, and nitrogen, which may be explosive with a blue flame when catalysed by metal oxides and some metals such as platinum or Raney nickel. It is prepared from ammonia with chloramine in the presence of glue or gelatin (to inhibit decomposition of the hydrazine by unreacted oxidants) as the hydrate form usually (100% monohydrate contains 64% by weight hydrazine). Hydrazine is also prepared from sodium hypochlorite with urea in the presence of glue or gelatin. Hydrazine is used as a component in jet fuels because it produce a large amount of heat when burned. Hydrazine is used as an oxygen scavenger for boiler feed water to prevent corrosion damage. Hydrazine is used as a reducing agent for the recovery of precious metals and as a chain extender in urethane coatings. Hydrazine is dibasic and very reactive. It and its derivatives have active applications in organic synthesis for agrochemicals, pharmaceuticals and stabilizers, polymerization catalysts, flame-retardants, blowing agents for plastics. Acetone Thiosemicarbazone is used as an intermediate in the manufacture of pesticides and pharmaceuticals.

SALES SPECIFICATION

APPEARANCE

white crystals

ASSAY

98.0% min

MELTING POINT

172 - 175 C

TRANSPORTATION
PACKING

20kgs in fiber drum

HAZARD CLASS  
UN NO. 2811
OTHER INFORMATION
Hazard Symbols: T+, Risk Phrases: 21-25-26, Safety Phrases: 22-28-36/37/39-45