MF:C6H4N2O5
MW:184.11
EINECS:215-444-2
HS code:32041911
Appearance: black flash powder, granule
(522) Reddish, (501) Greenish Are Available
(SULPHUR BLACK BR 240%, Sulphur Black, Sulphur Back 1, 501, 522, Sulphur Back)
Sulphur Black Used in Dyeing Textile
Main Features
A, Strength 200% (Full).
B, Standard Greenish and Reddish Tone.
C, Can be dissolved directly in water without adding any sodium sulphide.
Most environmental protective dye used in the dyeing of paper.
Properties: Slightly insoluble in water, soluble in Sodium Sulphide with a green-Black color.
| Strength, % | 160-240 |
| Shade | Corresponding to standard |
| Moisture, % | ≤ 6.0 |
| Free sulphur content, % | ≤ 0.6 |
| Insoluble matter in sodium sulphide, % | ≤ 0.7 |
