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| OEM | OEM Services Provided |
| Feature | Good stability,Easy to Use |
| Classification | Dyes and Pigments |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact us now. |
| Product Name: | Direct Yellow 12 |
| Synonyms: | abcol direct yellow 4 ra;Direct yellow 12 (C.I. 24895);Atul Direct Fast Yellow GCH;Diazine Yellow CP;Direct Brilliant Yellow 4R;Direct Yellow GK;Kayaku Chrysophenine;Mitsui Chrysophenine G |
| CAS: | 2870-32-8 |
| MF: | C30H29N4NaO8S2 |
| MW: | 660.69 |
| EINECS: | 220-698-2 |
| Product Categories: | Organics;Stilbenes;Dyes and Pigments |
| Mol File: | 2870-32-8.mol |
| 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 |
| λmax | 389 nm |
| ε(extinction coefficient) | ≥29000 at 389-401nm in water at 0.02g/L |
| Stability: | Light Sensitive |
| Cosmetics Ingredients Functions | HAIR DYEING |
| 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] |
| EPA Substance Registry System | C.I. Direct Yellow 12 (2870-32-8) |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 2927.00.5000 |
| Provider | Language |
|---|---|
| C.I. 24895 | English |
| SigmaAldrich | English |
| Chemical Properties | orange crystalline powder | ||||||||||||||||||||||||
| A diazo stilbene dye | |||||||||||||||||||||||||
| Properties and Applications |
|
| Raw materials | Sulfuric acid-->Sodium carbonate-->Sodium nitrite-->Phenol-->CHLOROETHANE-->Benzoic acid-->Sulfurous Acid-->4,4'-Diamino-2,2'-stilbenedisulfonic acid-->1,2-Diphenylethylenediamine-->4,4'-Diamino-2,2'-stilbenedisulfonic acid-->Phenol-->CHLOROETHANE |
| Preparation Products | Direct Yellow 19 |
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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