You are here: Excelle > Products

ETU (Na-22)
Ethylene thiourea

Synonym: Na-22

Molecular Formula: C3H6N2S

Molecular Weight: 102.17

Structure Formula:

CSA NO.: 96-45-7

Specification:

ITEM
                                                                    INDEX
    Top grade
First grade
 Qualified grade
Appearance
(Visual inspection)
white powder
Initial M.P, oC ≥
195.0
193.0
192.0
Loss on drying, % ≤
0.30
0.30
0.50
Ash, % ≤
0.30
0.30
0.50
Residues on 150μm sieve, % ≤    
0.50
0.10
0.10

Properties: White powder. Little bitter. Density is 1.42-1.43. Soluble in wateralcohol, ethylene glycol and pyridine, do not dissolve ether, benzene, chloroform and petroleum ether.  No pollution to final products. Stabilization storage.

Usage:

The product can be used to chloroprene rubber, Epichlorohydrin rubber, chlorinated polyethylene, etc., are particularly suited to non-curing system of the chlorine-butylamine Hopewell accelerator. Can often 100-500 oC , with the right selection system can be the best rapid curing, and the whole parade security. Its products vulcanized high tensile strength, permanent deformation small for W (54-1 type polychloroprene), a non-curing system into effect significantly. It usually with zinc oxide and magnesium oxide together with the use, mainly for industrial products, and coating lines, shoes and other clothing chloroprene rubber products.

Storage:

To keep the bags tightly closed in a cool, well-ventilated place at 25 max, to place the goods on the dry wooden shelf at a height of 20cm min. And to avoid from moisture, sunshine, light and fires. The recommended max shelf life is 2 years.