CI 45350
- CAS No.
- 518-45-6
- Chemical Name:
- CI 45350
- Synonyms
- KI202(2);KI202(1);Fluoresceine 94;C.I.Solvent Yellow 94:C.I.45350:1;3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one;3',6'-dihydroxyspiro[isobenzofuran-3,9'-xanthene]-1-one
- CBNumber:
- CB4965895
- Molecular Formula:
- C20H12O5
- Molecular Weight:
- 332.30628
- MDL Number:
- MFCD00005050
- MOL File:
- 518-45-6.mol
- MSDS File:
- SDS
| EWG's Food Scores | 1 |
|---|
CI 45350 Chemical Properties,Uses,Production
Preparation
Resorcinol and Phthalic anhydride alone or in the presence of sulfuric acid Zinc chloride or condensation, namely for fluorescein, again into free acid.
Definition
ChEBI: Fluorescein (acid form) is a xanthene dye that is highly fluorescent and commonly used as a fluorescent tracer. It has a role as a radioopaque medium and a fluorescent dye. It is a xanthene dye, a member of benzoic acids, a hydroxy monocarboxylic acid, a cyclic ketone, a member of phenols and an organic heterotricyclic compound.
Properties and Applications
yellow. Soluble in water and ethanol as yellow, with strong green fluorescence. In concentrated sulfuric acid to yellow, with weak fluorescence, dilution after yellow, with yellow precipitation. Dye aqueous solution to join sodium hydroxide color dark, with dark green fluorescence. The dye for C.I. Acid Yellow 73 free Acid. Used in cosmetics coloring.
| Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
| Melting point | Stable | |||||
| ISO | Poor | Insoluble | General | No change | ||
CI 45350 Preparation Products And Raw materials
CI 45350 Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| ANHUI WITOP BIOTECH CO., LTD | +8615255079626 | eric@witopchemical.com | China | 23556 | 58 |
| Alfa Chemistry | +1-5166625404 | Info@alfa-chemistry.com | United States | 21317 | 58 |
| Jilin Chinese Academy of Sciences-yanshen Technology | +undefined18143011203 | info@chemextension.com | China | 42057 | 58 |
| Xian confluore Biological Technology Co., Ltd. | +86-15680926068 +86-15680926068 | 1924344760@confluore.cn | China | 2893 | 58 |
| Jiaxing Deyi Chemical Co., Ltd. | 86-0573-85866609 13325730825 | 945717149@qq.com | China | 7936 | 58 |
| Xi'an Confluore Biological Technology Co., Ltd. | +86-156-80926068 +86-15680926068 | 1924344760@qq.com | China | 4955 | 58 |
| Shenyang Xianchuang Chemical Co., Ltd. | 024-23769576 13840269002 | 274311108@qq.com | China | 359 | 58 |
| Guangzhou City Haizhu District Zhenghong Co.Ltd. | 020-82550624 13016020539 | 2336504938@qq.com | China | 149 | 58 |
| Nanjing Shizhou Biology Technology Co.,Ltd | 13675144456 | sean.lv@synzest.com | China | 10787 | 58 |
| Xi'an Kaixin Biotechnology Co., Ltd | 029-68881181 13619217766 | 3495811982@qq.com | China | 2756 | 58 |
View Lastest Price from CI 45350 manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2024-03-29 | Fluorescin
518-45-6
|
US $0.00 / g | 10g | >95.00% | 10g | Xian confluore Biological Technology Co., Ltd. |
-
- Fluorescin
518-45-6
- US $0.00 / g
- >95.00%
- Xian confluore Biological Technology Co., Ltd.