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PESTICIDE INTERMEDIATES>>THIOCARBAZIDE
1.Names and Structures
(1) Chemicalname: 1,3-Diamino-2-thiourea
(2) Empirical formula: CH6N4S
(3) melting point:170?
(4)stability:stable in neutral and alkalinity medium,not stable in acid medium,it will be disintegrated and deteriorated gradually if stored under moist environment for long time
(5) Composition and Appearance:white crystalline

2. Product specification

Item

Index

 

Excellent grade

First grade

Qualified product

Thiocarbazide,% ≥

98

95

90

Moisture, %≤

0.5

1

2


3. Packing
packing in plastic woven bag with a layer of polyethylene film bag inside,the thickness not less than 0.7MM; the Polyethylene plastic woven bag as outside bag,in accordance with the GB and T8946 requirements of corresponding types,net weight of every bag is 25kg,50kg?

4.Usage
the intermediate to make herbicides Metribuzin (the former product of 3-thio-4-amino-6-tbutyl-1,2,4-triazine-5-one)


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