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Solvent blue 35

Solvent Blue 35 , also called Oil Blue 35, Blue 2N, Blue B, Oil Blue B, 1,4-bis(butylamino) anthraquinone and CI 61554, is a blue dye derived from anthraquinone. It has the appearance of a dark bluish-black powder, soluble in benzene and toluene and insoluble in water, with melting point 104-105 °C.
Structure: anthraquinone series
Foreign Corresponding Product: Sudan Blue (BASF),Lurafix Blue B(BASF) RP-FW(I.C.I.),Fat Blue B(HOECHST)
Properties: The product is standard transparent blue oil solvent dye with bright green light. It is of good heat resistant ability, light fastness and transport resistance. When used in plastics, the color is bright.
Use: Can be used in coloring various plastics, polyester and fibre.
PS
HIPS
ABS
PC
RPVC
PMMA
SAN
AS
PA6
PET
-

Note: ""Superior ,""Applicable ,""Not Recommended.
Physical properties, light fastness and recommended dosage:

Density(g/cm3)
Melting Point()
Light Fastness(in PS)
Recommended Dosage
Transparent
Nontransparent
0.66
120
7-8
0.02
0.025

Light Fastness: Consist of 1st to 8th grade, and the 8th grade is superior, the 1st grade is bad.
The thermal resistance in PS can reach to 260℃.
Degree of pigmentation: 0.05% dyes+0.1%titanium white powder
Solubility in organic solvent:

acetone
butyl acetate
methylbenzene
dichloromethane
ethylalcohol
13.6
22.3
86.3
171.3
2.6
The grammage dissolve in one litre solvent at 20.