Mordant Black 38
- CAS NO.：6441-96-9
- Empirical Formula: C18H14ClN3O6S.Na
- Molecular Weight: 458.83
- MDL number: MFCD00059525
- EINECS: 229-233-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
What is Mordant Black 38?
Preparation
3-Amino-5-chloro-2-hydroxybenzenesulfonic acid diazotization, and N-(7-hydroxynaphthalen-1-yl)acetamide coupling.
Properties and Applications
Blue light grey. Soluble in water into wine red to blue light red, slightly soluble in alcohol, not soluble in Acetone. In concentrated sulfuric acid to red light purple, diluted into red orange brown. Dye aqueous solution to join concentrated hydrochloric acid for red wheat brown; Join concentrated sodium hydroxide solution for purple.
| Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
| Alkali | Acid | ||||||
| ISO | 4 | 6 | 4 | 1 | 4-5 | 4-5 | 5 |
| AATCC | 4 | 6 | 4-5 | 4-5 | 5 | 4-5 | 5 |
Properties of Mordant Black 38
| Colour Index | 18160 |
| EPA Substance Registry System | Benzenesulfonic acid, 3-[[8-(acetylamino)-2-hydroxy-1-naphthalenyl]azo]-5-chloro-2-hydroxy-, monosodium salt (6441-96-9) |
Safety information for Mordant Black 38
Computed Descriptors for Mordant Black 38
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