Product description:
Acid Red 2G is Red powder. Soluble in water solution for big red, slightly soluble in ethanol and soluble fiber element, insoluble in other organic solvents.
Product parameter:
|
CAS No.
|
3734-67-6
|
|
EINECS No.
|
223-098-9
|
|
Colour Index
|
18050
|
|
Molecular formula
|
C18H13N3Na2O8S2
|
|
Molecular Weight
|
509.4 g/mol
|
|
Appearance
|
Red powder
|
|
Shade
|
Similar to standard
|
|
Moisture
|
≤5%
|
|
Insolubility
|
≤1%
|
|
Fineness(80 Mesh Sieve Residue)
|
≤5%
|
|
Boiling point
|
794.21℃ at 101 325 Pa
|
|
Density
|
1.37-1.774 at 20℃
|
|
Strength
|
200%
|
|
Vapor pressure
|
0-0Pa at 25℃
|
|
Solubility (90°C)
|
50g/l
|
|
Stability
|
Light Sensitive
|
|
PH value
|
9.0-10.0
|
|
LogP
|
-2.392--2.07 at 20℃
|
|
HS Code
|
32129000
|
|
Safety Statements
|
22-24/25
|
|
WGK Germany
|
3
|
|
Preparation
|
aniline diazo, and 4-Acetamido-5-hydroxynaphthalene-2,7-disulfonic acid coupling.
|
|
Flammability and Explosibility
|
Nonflammable
|
|
Properties
|
Soluble in water solution for big red, slightly soluble in ethanol and soluble fiber element, insoluble in other organic solvents.
Meet strong sulfuric acid is blue light red, it will be diluted in a yellow after red; Meet nitric acid solution is orange turn orange; Meet strong hydrochloric acid generation red precipitation, dilute it dissolve. The aqueous solution of dyes and strong hydrochloric acid is product red; Add sodium hydroxide is orange brown. Copper ions in dyeing and dark blue colour and lustre to take; Iron ion in color with blue and light. Good levelness. |
|
Application
|
Dyeing for Wool Fabric
Direct printing for Wool Fabric, Polyamide and Silk Fabric Coloring for Paper, Soap and Wood Dyeing for Cosmetic, Plastic and Pharmaceutical |
|
Absorption Wavelength
|
530
|
|
Absorption Epsilon
|
31900
|
|
Absorption Coefficient
|
31900 at 530 nm
|
|
Sample
|
Free sample is available
|
|
MOQ
|
25 kgs
|
|
Packaging
|
25kgs Carton/Fiber Drum
|
Product Exhibtion:
Color card:
Hot Tags: acid red 2g, China, manufacturers, suppliers, factory, cheap, discount, quotation, low price, free sample, Acid Black Dye, Acid Blue Dye, Acid Yellow Dye, Acid Red Dye, Acid Orange Dye
