Sulphur Black 1 CAS 1326-82-5

CAS: 1326-82-5

Molecular Formula: C6H4N2O5

Molecular Weight: 184.11

EINECS: 215-444-2

Synonyms: Sulphur Black BN; Sulphur Black BRN; Asphalen Sulfur Black C; Asphalen Sulfur Black S; Kayasol Black B; Sulphol Black B-150; Sulphur Black BRW Sulphur Black G; Sulphur Black 1 ISO 9001：2015 REACH; C.I.Sulphur Black 1:C.I.53185; TIANFU-CHEM CAS:1326-82-5 Sulphur Black 1

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What is Sulphur Black 1 CAS 1326-82-5?

Sulfur Black 1 slightly dissolves when cooled in concentrated sulfuric acid, and upon heating, it turns dark green and blue precipitate. Continuing to heat it turns black and blue, and after dilution, it produces a green and blue precipitate. The dye appears yellow olive color in alkaline sodium hydroxide solution, and can restore its original color after oxidation; Fading completely in sodium hypochlorite solution.

Specification

Item	Specification
Purity	99%
MW	184.11
MF	C6H4N2O5
EINECS	215-444-2
CAS	1326-82-5
keyword	SURLFBLACK

Application

Sulphur Black 1 is a commonly used dye for dyeing black on cotton, linen, viscose fibers, and their fabrics. The dyeing rate and uniformity are both good. It can also be dyed with sulfurized reduced black CLG to obtain a dark black color. It can also be used for dyeing of vinylon.