Zhejiang, China
Business Type:
Trading Company
Main Products:
Number of Employees:
Year of Establishment:
Management System Certification:
ISO 9001, ISO 14001, QC 080000
OEM/ODM Availability:
OEM/ODM Service
Sample Available

Direct Red 28, Direct Red Dye, Red Dye for Firecrakers Paper manufacturer / supplier in China, offering Direct Red 28 for Firecrackers Paper, High Qualtiy Supply Pigment Red 112 (Fast Red FGR) for Industrial Paint Use, Pigment Orange 13/Fast Orange G for Paint/Ink/Plastic and so on.

Gold Member Since 2013
Audited Supplier

Direct Red 28 for Firecrackers Paper

Min. Order / Reference FOB Price
100 kg US $2.7-4.2/ kg
Port: Shanghai, China
Production Capacity: 80000mt/Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram
Colour: Red
Appearance: Powder
Usage: Paper, Leather, Textile
Application Material: Leather
Name: Direct Red 4be
Content: 100%

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Basic Info.

Model NO.
direct red 28
15 Days
Paper, Firecrakers
Transport Package
25kg/Drum, Carton
HS Code
Product Name: Direct Red 28
C.I. No.: 22120
CAS No.: 573-58-0
Molecular Formula: C32H22N6Na2O6S2
Molecular Weight: 696.67
Relative Name:
Congo Red,Direct Scarlet 4B,Direct Scarlet 4BE.
Shade: yellow light red powder, tan powder.
Direct Red 28 Physical Properties and light fastness, solubility.
Direct Red 28
Dyeing depth %2
Insolubles %0.15
Light Fastness2
Washing Fatness3
Rubbing fastness(dry)3
Rubbing fastness(wet)2
Direct Red 28 Properties and Applications:
Soluble in water for yellow light red solution, soluble in ethanol for orange, soluble in acetone. In the strong sulfuric acid as dark blue, diluted into shallow blue, blue precipitation. Dyes to acetic acid solution for blue purple, have red light blue precipitation; Add thick sodium hydroxide solution for yellow. This product acid resistance and sun fastness is poor. The acid, alkali is very sensitive. Cellulose fiber of dyeing, the dye absorption rate as well, a 80 ° C affinity when the largest. This article covers the gender is good, hard to sensitive. Dyeing copper ions in colored light yellow dark; Iron ion in a yellow light. Mainly used in viscose, such as cotton, wool, silk cellulose fiber dyeing and not used in printing, also can be used for biological and pulp color.
Direct Red 28 for Firecrackers Paper
Direct Red 28 for Firecrackers Paper
Direct Red 28 for Firecrackers Paper

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