4',5'-DIBROMOFLUORESCEIN
- CAS No.
- 596-03-2
- Chemical Name:
- 4',5'-DIBROMOFLUORESCEIN
- Synonyms
- EOSIN2J;CI 45370;ORANGE 5;DAIDAI201;C.I.45370A;CI 45370.1;CI 45370:1;CCRIS 4900;eosinicacid;CI NO 45370
- CBNumber:
- CB0321934
- Molecular Formula:
- C20H10Br2O5
- Molecular Weight:
- 490.1
- MDL Number:
- MFCD00005042
- MOL File:
- 596-03-2.mol
Melting point | 270-273 °C(lit.) |
---|---|
Boiling point | 633.7±55.0 °C(Predicted) |
Density | 1.6743 (rough estimate) |
vapor pressure | 0Pa at 25℃ |
refractive index | 1.5010 (estimate) |
storage temp. | Sealed in dry,Room Temperature |
pka | 8.14±0.20(Predicted) |
Colour Index | 45370 |
form | powder to crystal |
color | Light yellow to Brown |
Water Solubility | 153.49μg/L at 25℃ |
Merck | 14,3022 |
BRN | 57189 |
CAS DataBase Reference | 596-03-2(CAS DataBase Reference) |
FDA 21 CFR | 74.1255; 74.2255; 82.1255 |
EWG's Food Scores | 1-4 |
FDA UNII | 5P3H5X9X4Q |
EPA Substance Registry System | Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 4',5'-dibromo-3',6'-dihydroxy- (596-03-2) |
SAFETY
Risk and Safety Statements
Symbol(GHS) | GHS06 |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|
Signal word | Danger | |||||||||
Hazard statements | H301 | |||||||||
Precautionary statements | P301+P310 | |||||||||
Hazard Codes | Xi,T | |||||||||
Risk Statements | 36-25-36/37/38 | |||||||||
Safety Statements | 22-24/25-45-36-26 | |||||||||
RIDADR | UN 2811 6.1/PG 3 | |||||||||
WGK Germany | 3 | |||||||||
RTECS | LM5200000 | |||||||||
TSCA | Yes | |||||||||
HS Code | 32129000 | |||||||||
NFPA 704 |
|
4',5'-DIBROMOFLUORESCEIN price More Price(21)
Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
---|---|---|---|---|---|---|---|
Sigma-Aldrich | 216720 | 4′,5′-Dibromofluorescein Dye content 95% | 596-03-2 | 5g | $46.3 | 2024-03-01 | Buy |
TCI Chemical | D1120 | Dibromofluorescein (contains Mono-, Tri- and Tetra-) | 596-03-2 | 5g | $16 | 2024-03-01 | Buy |
Alfa Aesar | A18226 | 4',5'-Dibromofluorescein, ca. 95% dye content | 596-03-2 | 50g | $29.65 | 2024-03-01 | Buy |
Alfa Aesar | A18226 | 4',5'-Dibromofluorescein, ca. 95% dye content | 596-03-2 | 250g | $83.65 | 2024-03-01 | Buy |
TRC | D425708 | 4'',5''-Dibromofluorescein | 596-03-2 | 50g | $60 | 2021-12-16 | Buy |
4',5'-DIBROMOFLUORESCEIN Chemical Properties,Uses,Production
Chemical Properties
orange powder
Uses
4'',5''-Dibromofluorescein is a stain with an absorption maximum of 450 nm. Dyes and metabolites, Environmental Testing
Preparation
Fluorescein (C.I. Acid Yellow 73, C.I. 45350) in the sodium hydroxide solution two bromination, and??made into a free acid form.
Safety Profile
Poison by ingestion and intravenous routes. An herbicide. When heated to decomposition it emits highly toxic fumes of NOx, CN-, and Br-. See also NITRILES.
Purification Methods
Crystallise it from aqueous 30% EtOH. [Beilstein 19/6 V 462.]
Properties and Applications
brilliant yellow light yellow. Slightly soluble in water for orange, with weak yellow fluorescence, soluble in ethanol for orange, with green yellow fluorescence, soluble in acetone peachblossom, with yellow fluorescence, soluble in Tetrahydrofurfuryl alcohol. In concentrated sulfuric acid to red light yellow, dilution after yellow brown, with orange precipitation. Dye aqueous solution to join sodium hydroxide as red edge; In the glycerol and liquid paraffin in good dispersibility. Used in medicines and cosmetics coloring.
4',5'-DIBROMOFLUORESCEIN Preparation Products And Raw materials
Supplier | Tel | Country | ProdList | Advantage | |
---|---|---|---|---|---|
Hebei Mojin Biotechnology Co., Ltd | +86 13288715578 +8613288715578 | sales@hbmojin.com | China | 12446 | 58 |
Hubei Jusheng Technology Co.,Ltd. | 18871490254 | linda@hubeijusheng.com | CHINA | 28180 | 58 |
career henan chemical co | +86-0371-86658258 +8613203830695 | factory@coreychem.com | China | 29823 | 58 |
Shaanxi Dideu Medichem Co. Ltd | +86-29-87569266 15319487004 | 1015@dideu.com | China | 4088 | 58 |
TargetMol Chemicals Inc. | +1-781-999-5354 +1-00000000000 | marketing@targetmol.com | United States | 19892 | 58 |
Henan Alfa Chemical Co., Ltd | +8618339805032 | alfa4@alfachem.cn | China | 13183 | 58 |
Hebei Fengjia New Material Co., Ltd | +86-0311-87836622 +86-17333973358 | sales06@hbduling.cn | China | 8056 | 58 |
Hangzhou MolCore BioPharmatech Co.,Ltd. | +86-057181025280; +8617767106207 | sales@molcore.com | China | 49739 | 58 |
Hebei Guanlang Biotechnology Co., Ltd. | +8619930503259 | cherry@crovellbio.com | China | 18421 | 58 |
ZHEJIANG JIUZHOU CHEM CO., LTD | +86-0576225566889 +86-13454675544 | admin@jiuzhou-chem.com;jamie@jiuzhou-chem.com;alice@jiuzhou-chem.com | China | 12272 | 58 |
View Lastest Price from 4',5'-DIBROMOFLUORESCEIN manufacturers
Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
---|---|---|---|---|---|---|---|---|
2023-10-16 | 4',5'-DIBROMOFLUORESCEIN
596-03-2
|
US $0.00 / KG | 1KG | 99% | 50000KG/month | Hebei Mojin Biotechnology Co., Ltd | ||
2023-09-06 | 4',5'-DIBROMOFLUORESCEIN
596-03-2
|
US $0.00 / KG | 1KG | 99% | 500000kg | Hebei Guanlang Biotechnology Co., Ltd. | ||
2021-08-12 | 4",5"-DIBROMOFLUORESCEIN
596-03-2
|
US $15.00-10.00 / KG | 1KG | 99%+ HPLC | Monthly supply of 1 ton | Zhuozhou Wenxi import and Export Co., Ltd |
- 4',5'-DIBROMOFLUORESCEIN
596-03-2
- US $0.00 / KG
- 99%
- Hebei Mojin Biotechnology Co., Ltd
- 4',5'-DIBROMOFLUORESCEIN
596-03-2
- US $0.00 / KG
- 99%
- Hebei Guanlang Biotechnology Co., Ltd.
- 4",5"-DIBROMOFLUORESCEIN
596-03-2
- US $15.00-10.00 / KG
- 99%+ HPLC
- Zhuozhou Wenxi import and Export Co., Ltd
596-03-2(4',5'-DIBROMOFLUORESCEIN)Related Search:
1of4