Direct Black 38
Dye content,≥45 %
Reagent
Code: #111797
Alias
Direct black 38; direct black BN, direct clear light yuan, direct yuan, direct yuan green, direct black EX, direct black BN
CAS Number
1937-37-7
blur_circular Chemical Specifications
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Molecular Information
Weight
781.73 g/mol
Formula
C₃₄H₂₅N₉Na₂O₇S₂
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Registry Numbers
EC Number
217-710-3
MDL Number
MFCD00066363
thermostat
Physical Properties
Melting Point
109-110°C
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Storage & Handling
Storage
room temperature
description Product Description
Direct Black 38 is widely used in the textile industry as a dye for coloring cotton, rayon, and other cellulose-based fibers. It provides a deep black shade and is valued for its strong affinity to these materials, ensuring good color fastness. Additionally, it is employed in paper dyeing to achieve consistent and durable black tones. In some cases, it is also used in leather dyeing processes to produce dark, uniform finishes. Its effectiveness in binding to natural fibers makes it a popular choice in industries requiring long-lasting and intense black coloration.
format_list_bulleted Product Specification
| Test Parameter | Specification |
|---|---|
| Dye Content | 45 |
| Appearance | Dark brown or black powder |
| Solubility | Dark green to black, 5 mg + 5 mL, H2O |
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