rose bengal
rose bengal
Conditions | Yield |
---|---|
With sodium nitrate; zinc(II) oxide In water Mechanism; Irradiation; lifetime of oxidized dye; |
Conditions | Yield |
---|---|
With hydrogenchloride |
ethyl p-dimethyaminolbenzoate
C20H2Cl4I4O5(1-)*2Na(1+)
B
rose bengal
Conditions | Yield |
---|---|
In acetonitrile Kinetics; Quantum yield; |
Conditions | Yield |
---|---|
In acetonitrile Kinetics; Quantum yield; |
8-bromooctanoic acid
rose bengal
8-((2,3,4,5-tetrachloro-6-(6-hydroxy-2,4,5,7-tetraiodo-3-oxo-3H-xanthen-9-yl)benzoyl)oxy)octanoic acid
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 20℃; for 2h; Inert atmosphere; | 96% |
In N,N-dimethyl-formamide at 80℃; | 80% |
rose bengal
poly(N-isopropylacrylamide-co-rose bengal), Mn = 55000, Mw / Mn = 2.6, NIPAM : RB units ratio = 501 : 1; monomer(s): N-isopropylacrylamide; 4-vinylbenzyl chloride; Rose Bengal
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 80℃; for 16h; | 94% |
rose bengal
ethyl iodide
ethyl 4,5,6,7-tetrachloro-7a-(6'-hydroxy-2',4',5',7'-tetraiodo-3'-oxo-3H-xanthen-9'-yl)benzoate
Conditions | Yield |
---|---|
In water; acetone Heating; | 83% |
In water; acetone Heating; | |
Heating; |
rose bengal
methyl iodide
2,3,4,5-Tetrachloro-6-(6-hydroxy-2,4,5,7-tetraiodo-3-oxo-3H-xanthen-9-yl)-benzoic acid methyl ester
Conditions | Yield |
---|---|
With hydrogenchloride; tetrabutyl-ammonium chloride In tetrahydrofuran for 12h; Heating; | 82.8% |
Conditions | Yield |
---|---|
In water; acetone Heating; | 82% |
In water; acetone Heating; | |
In water; acetone |
Conditions | Yield |
---|---|
With hydrogenchloride In water | 80% |
6-bromohexanoic acid
rose bengal
2,3,4,5-Tetrachloro-6-(6-hydroxy-2,4,5,7-tetraiodo-3-oxo-3H-xanthen-9-yl)-benzoic acid 5-carboxy-pentyl ester
Conditions | Yield |
---|---|
With potassium carbonate In acetone Reflux; | 76% |
In water; acetone at 80℃; for 24h; | 22% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 60℃; for 20h; | 33% |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 80℃; for 7h; Inert atmosphere; | 30% |
Conditions | Yield |
---|---|
With triethylamine In aq. phosphate buffer; dimethyl sulfoxide at 20℃; for 12h; pH=9; | 10% |
Conditions | Yield |
---|---|
sodium carbonate In acetone |
Conditions | Yield |
---|---|
In water; acetone Heating; |
Conditions | Yield |
---|---|
In water; acetone Heating; | |
Stage #1: 6-bromohexanoic acid; rose bengal In water; acetone at 80℃; for 24h; Stage #2: With 1-hydroxy-pyrrolidine-2,5-dione; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride at 20℃; |
Conditions | Yield |
---|---|
In water; acetone Heating; |
Conditions | Yield |
---|---|
In water |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 70℃; for 20h; Yield given; |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 70℃; for 20h; |
rose bengal
Sodium; 2,4,5,7-tetraiodo-6-oxo-9-(2,3,4,5-tetrachloro-phenyl)-6H-xanthen-3-olate
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 130℃; |
rose bengal
Conditions | Yield |
---|---|
With acetic acid; zinc for 24h; Heating; |
rose bengal
Conditions | Yield |
---|---|
With acetic acid; zinc at 60℃; for 24h; |
rose bengal
Conditions | Yield |
---|---|
With triethanolamine In 1,2-dimethoxyethane for 4h; Irradiation; |
Conditions | Yield |
---|---|
In N,N-dimethyl-formamide at 80℃; | |
In N,N-dimethyl-formamide Heating; |
Conditions | Yield |
---|---|
In water; acetone Heating; |
rose bengal
Conditions | Yield |
---|---|
With potassium hexacyanoferrate(III) In water; acetonitrile Kinetics; Rate constant; Irradiation; | |
With In water; acetonitrile Kinetics; Rate constant; Irradiation; |
rose bengal
Conditions | Yield |
---|---|
With potassium ferrocyanide In water; acetonitrile Kinetics; Rate constant; Irradiation; |
Conditions | Yield |
---|---|
In water; acetonitrile Kinetics; Irradiation; |
Conditions | Yield |
---|---|
With oxygen; sodium sulfite at 22℃; Rate constant; Mechanism; Irradiation; also in the presence of benzoquinone; |
The Acid Red 94, with the CAS registry number 632-69-9, is also known as Acid Red 94. It belongs to the product categories of RB; Organics; Food Colors by Food Sanitation Law in Japan; Analytical Chemistry. Its EINECS registry number is 211-183-3. This chemical's molecular formula is C20H2Cl4I4Na2O5 and molecular weight is 1017.64. What's more, its IUPAC name is called Disodium 2,3,4,5-tetrachloro-6-(2,4,5,7-tetraiodo-3-oxido-6-oxoxanthen-9-yl)benzoate. It should be stored in a cool, dry and well-ventilated place. This chemical can be prepared by Tetrachlorofluorescein via iodization and sodium chloride salting-out. It is used as a adsorption indicator and biological dye. In addition, the product can be used for anti-tumor and antiviral syndrome treatment.
Physical properties about Acid Red 94 are: (1)ACD/LogP: 8.874; (2)# of Rule of 5 Violations: 2; (3)ACD/LogD (pH 5.5): 7.48; (4)ACD/LogD (pH 7.4): 4.81; (5)ACD/BCF (pH 5.5): 132680.30; (6)ACD/BCF (pH 7.4): 285.04; (7)ACD/KOC (pH 5.5): 65003.51; (8)ACD/KOC (pH 7.4): 139.65; (9)#H bond acceptors: 5; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 2; (12)Polar Surface Area: 75.99 Å2; (13)Flash Point: 402.4 °C; (14)Enthalpy of Vaporization: 112 kJ/mol; (15)Boiling Point: 741.8 °C at 760 mmHg; (16)Vapour Pressure: 9.39E-23 mmHg at 25 °C.
When you are dealing with this chemical, you should be very careful. This chemical is inflammation to the skin, eyes and respiratory system or other mucous membranes. Therefore, you should wear suitable protective clothing, gloves and eye/face protection. You must avoid contacting with skin and eyes. In case of contacting with eyes, you should rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
(1) SMILES: [Na+].[Na+].Ic5cc4c(Oc1c(cc(I)c([O-])c1I)C43OC(=O)c2c3c(Cl)c(Cl)c(Cl)c2Cl)c(I)c5[O-]
(2) InChI: InChI=1S/C20H4Cl4I4O5.2Na/c21-9-7-8(10(22)12(24)11(9)23)20(33-19(7)31)3-1-5(25)15(29)13(27)17(3)32-18-4(20)2-6(26)16(30)14(18)28;;/h1-2,29-30H;;/q;2*+1/p-2
(3) InChIKey: KCQREHTWEUECQT-UHFFFAOYSA-L
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