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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:
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.