Direct Yellow 12
Synonym(s):Direct Yellow 12
- CAS NO.：2870-32-8
- Empirical Formula: C30H29N4NaO8S2
- Molecular Weight: 660.69
- MDL number: MFCD00007488
- EINECS: 220-698-2
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-17 09:49:39
What is Direct Yellow 12?
Chemical properties
orange crystalline powder
The Uses of Direct Yellow 12
A diazo stilbene dye
What are the applications of Application
Chrysophenine is a diazo stilbene dye
Properties and Applications
|
TEST ITEMS |
SPECIFICATION |
|
APPEARANCE |
YELLOW |
|
LIGHTING |
4 |
|
SOAPING |
3-4 |
|
PERSPIRATING |
3-4 |
|
FRICTION(DRY) |
4-5 |
|
FRICTION(WET) |
3 |
|
RESIDUE ON 80 MESH |
5.0% max |
|
WATER SOLUBILE |
1.0% max |
|
VOLATITE 105°C |
1.0% max |
|
TINTING STRENGTH |
100-105 % |
|
WEIGHT METAL TOTAL |
50ppm max |
Properties of Direct Yellow 12
| Melting point: | >300°C |
| storage temp. | Amber Vial, Refrigerator, Under inert atmosphere |
| solubility | DMSO (Slightly), Methanol (Slightly), Water (Slightly) |
| form | Solid |
| Colour Index | 24895 |
| color | Orange to Dark Orange |
| Stability: | Light Sensitive |
| EPA Substance Registry System | C.I. Direct Yellow 12 (2870-32-8) |
Safety information for Direct Yellow 12
Computed Descriptors for Direct Yellow 12
| InChIKey | BFMGWSCDIBELQN-BHHUATOHSA-N |
| SMILES | C(C1C=CC(/N=N/C2C=CC(OCC)=CC=2)=CC=1S(O)(=O)=O)=CC1C=CC(/N=N/C2C=CC(OCC)=CC=2)=CC=1S(O)(=O)=O.[NaH] |
Direct Yellow 12 manufacturer
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