Paraquat

Paraquat
Item: Paraquat Product Name: Paraquat
Descriptions:

TECHNICAL SPECIFICATION OF PARAQUAT

 

Common name

: PARAQUAT

Chemical name

: 1,1'-dimethyl-4,4'-bipyridyliumdichloride (paraquatdichloride)
1,1'-dimethyl-4,4'-bipyridyliumdimethylsulfate sulfate (paraquatdimethylsulfate)

 

Empirical formula

: C12H14N2Cl2              C12H14N2

 

Chemical structure

: 

 

CAS number

: 4685-14-7  (ion)

1910-42-5  (dichloride)

4032-26-2  (diiodide)

2074-50-2  (dimethylsulfate)

Molecular weight

: C12H14N2Cl2:    257

C12H14N2 :          186

 

Physical and chemical properties of technical material

Color

:  white

Odour

:  odourless

Physical state

:  crystal

Melting point

:  Decomposes @ 300 C

Specific gravity or density

:  1.10

Solubility in water and solvents

: slightly soluble in alcohol and practically insoluble in     organic solvents. Water at 200C about 700g/L

vapor pressure

:  not measurable

PH range at which it is stable

:  6-8

Date on storage stability

: It is stable in acid or neutral solutions, but is readily hydrolysed by alkali

Information about patent

: No patent status

Purity(%)  

: 950G/KG

Impurity over 0.1%, methods of determination and identification. Chromotograms of the analysis made by domestic and foreign reference laboratories

                                                              

: Pyridine                           10g/kg

 N,N’ Dimethyl -4,4-bi-2(1H)-pyridone  5g/kg

 4,4,-bipyridine                      5g/kg

 methanol                           30g/kg

Name and address of the producing company

: Shenzhen Longshine Chemical Co. Ltd


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