Solvent Yellow 56
- CAS No.
- 2481-94-9
- Chemical Name:
- Solvent Yellow 56
- Synonyms
- Transparent Yellow 2G;c-299;CIPO11;c.i.11021;Yellow DE;oilyellowde;oilyellowga;oilyellownb;fatyellowggn;oilyellowdea
- CBNumber:
- CB1688526
- Molecular Formula:
- C16H19N3
- Molecular Weight:
- 253.34
- MDL Number:
- MFCD00009043
- MOL File:
- 2481-94-9.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Product description | Number | Pack Size | Price |
| 4-(Diethylamino)azobenzene >97.0%(HPLC)(T) | D1126 | 100g | $115 |
| 4-(Diethylamino)azobenzene | TRC-D495010-5G | 5g | $96 |
| 4-(Diethylamino)azobenzene | TRC-D495010-500MG | 500mg | $63 |
| 4-(Diethylamino)azobenzene | TRC-D495010-1G | 1g | $72 |
| Solvent Yellow 56 ≥98% | CS-0010267 | 500g | $125 |
| More product size | |||
| Melting point | 94-96°C |
|---|---|
| Boiling point | 386.54°C (rough estimate) |
| Density | 1.0901 (rough estimate) |
| vapor pressure | 0Pa at 25℃ |
| refractive index | 1.6470 (estimate) |
| storage temp. | -20°C |
| solubility | Chloroform (Sparingly), DMSO (Slightly, Sonicated) |
| pka | 3.41±0.50(Predicted) |
| form | A solid |
| Colour Index | 11021 |
| color | Dark Orange to Very Dark Orange |
| Water Solubility | 264μg/L at 25℃ |
| LogP | 5.27 |
| CAS DataBase Reference | 2481-94-9(CAS DataBase Reference) |
| EWG's Food Scores | 1 |
| FDA UNII | 5E973680S8 |
| EPA Substance Registry System | C.I. Solvent Yellow 56 (2481-94-9) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() ![]() GHS07,GHS08 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H341 | |||||||||
| Precautionary statements | P201-P202-P308+P313-P405-P501a-P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313 | |||||||||
| Risk Statements | 20/21/22-36/37/38-68 | |||||||||
| Safety Statements | 26-36/37/39-60-36/37 | |||||||||
| RTECS | CX9871000 | |||||||||
| TSCA | TSCA listed | |||||||||
| HS Code | 29299090 | |||||||||
| Toxicity | mma-sat 1 mg/plate EPASR* 8EHQ-0982-0455 | |||||||||
| REACH Registrations | Inactive | |||||||||
| NFPA 704 |
|
Solvent Yellow 56 price More Price(25)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| TCI Chemical | D1126 | 4-(Diethylamino)azobenzene >97.0%(HPLC)(T) | 2481-94-9 | 100g | $115 | 2026-04-30 | Buy |
| TRC | TRC-D495010-5G | 4-(Diethylamino)azobenzene | 2481-94-9 | 5g | $96 | 2026-06-03 | Buy |
| TRC | TRC-D495010-500MG | 4-(Diethylamino)azobenzene | 2481-94-9 | 500mg | $63 | 2026-06-03 | Buy |
| TRC | TRC-D495010-1G | 4-(Diethylamino)azobenzene | 2481-94-9 | 1g | $72 | 2026-06-03 | Buy |
| ChemScene | CS-0010267 | Solvent Yellow 56 ≥98% | 2481-94-9 | 500g | $125 | 2026-06-04 | Buy |
Solvent Yellow 56 Chemical Properties,Uses,Production
Chemical Properties
Light brown powder
Uses
4-(Diethylamino)azobenzene (cas# 2481-94-9) is a useful research chemical. Dyes and metabolites, Environmental Testing.Is used in dyeing method of polyolefin fiber or fabric using organic solvent and solvent dye.
Definition
ChEBI: An azobenzene that is N,N-diethylaniline substituted at position 4 by a phenylazo group.
Preparation
aniline diazotization, and N,N-diethylbenzenamine coupling.
Flammability and Explosibility
Not classified
Safety Profile
Mutation data reported. Whenheated to decomposition it emits toxic fumes of NOx.
Properties and Applications
red light yellow. Deep red powder. Insoluble in water, soluble in a variety of solvent. Used for oil, wax, fat class material coloring. Also can be used for plastic, printing ink, paint, etc coloring, and can also be used to smoke dye.
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | Insoluble | Insoluble | Insoluble | |||
Solvent Yellow 56 Preparation Products And Raw materials
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Hebei Yanxi Chemical Co., Ltd. | +86-17531190177 | faithe@yan-xi.com | China | 5838 | 58 |
| Hebei Chuanghai Biotechnology Co., Ltd | +86-17732866630 | mina@chuanghaibio.com | China | 18114 | 58 |
| Hefei Lbao Physical & Chemical Science Co.,Ltd | +1-5184799099; | lbaochemicals@gmail.com | China | 670 | 58 |
| Shanghai Daken Advanced Materials Co.,Ltd | +86-2158073036 | info@dakenam.com | China | 14032 | 58 |
| career henan chemical co | +86-0371-86658258 | sales@coreychem.com | China | 29766 | 58 |
| Xiamen AmoyChem Co., Ltd | +86-86-5926051114 | sales@amoychem.com | China | 6361 | 58 |
| BOC Sciences | +1-631-485-4226 | inquiry@bocsci.com | United States | 19935 | 58 |
| Winchem industrial co limited | +86-13003762012 | info@win-chemical.com | China | 300 | 58 |
| SIMAGCHEM CORP | +86-5922680277 +86-13806087780 | sale@simagchem.com | China | 17339 | 58 |
| ANHUI WITOP BIOTECH CO., LTD | +8618071025641 | eric@witopchemical.com | China | 23506 | 58 |
View Lastest Price from Solvent Yellow 56 manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-05-22 | Solvent Yellow 56
2481-94-9
|
1G/KG | 99% | 100MT | Anhuyan (Hainan) Biotechnology Co., LTD | ||
![]() |
2026-05-18 | Solvent Yellow 56
2481-94-9
|
1kg | 98% | Hefei Lbao Physical & Chemical Science Co.,Ltd | |||
![]() |
2025-12-03 | SOLVENT YELLOW 56
2481-94-9
|
25kg | 0.99 | 20mt | Winchem industrial co limited |
-

- Solvent Yellow 56
2481-94-9
- $0.00
- 99%
- Anhuyan (Hainan) Biotechnology Co., LTD
-

- Solvent Yellow 56
2481-94-9
- $0.00
- 98%
- Hefei Lbao Physical & Chemical Science Co.,Ltd
-

- SOLVENT YELLOW 56
2481-94-9
- $0.00
- 0.99
- Winchem industrial co limited






