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Rubber Accelerator DPG (D)

Identification:

Chemical Name: Diphenyl guanidine

Synonym: N,N-Diphenylguanidine; Vanax DPG; 1,3-Diphenylguanidine; Acelerator DPG; DPG; Accelerator D

CAS NO.: 102-06-7
Structural Formula:1.jpg

Molecular Formula: C13H13N3

 

Properties: Grayish-white powder(granule)No taste, no poison. Density is 1.08--1.19. Soluble in acetone, ethyl acetate, benzene, alcohol, slightly soluble in CCl4; Insoluble in water and gasoline.

Specifications:

Item

Powder

Oiled   powder

Granule

Appearance

Gray-white   powder(granule)

Initial   M.P. ℃ ≥

145.0

145.0

145.0

Loss   on drying % ≤

0.30

0.50

0.30

Ash   % ≤

0.30

0.30

0.30

Residue   on 150μm sieve % ≤

0.10

0.10

\

Granule   Diameter mm

\

\

1.50


Application: Used as a secondary accelerator with thiazoles and sulphenamides in NR and SBR compounds. Exhibits better storage stability compared to thiuram and dithiocarbamates but is not so active. DPG can be used in latex as secondary gelling agent (foam stabilizer) in the silico-flouride foam process.

Packing& Storage:

In 25kg bag .Keep container tightly closed in a cool, well-ventilated place. The recommended maximum storage life is 2 years when stored under normal conditions.