ROSE BENGAL LACTONE
- CAS NO.:4159-77-7
- Empirical Formula: C20H4Cl4I4O5
- Molecular Weight: 973.67
- MDL number: MFCD00013321
- EINECS: 223-993-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2022-12-21 16:56:50
What is ROSE BENGAL LACTONE?
Chemical properties
Bluish-pink powder. Soluble in water.
The Uses of ROSE BENGAL LACTONE
Biological stain; colorant for inks, cellulosics, foods, cosmetics, medicine (diagnostic aid).
What are the applications of Application
Rose Bengal lactone is a useful dye
Preparation
will Resorcinol and 4,5,6,7-Tetrachloroisobenzofuran-1,3-dione condensation, The resulting 4,5,6,7 – tetrachloro-fluorescein tetraiodide.
Properties and Applications
blue light red. Soluble in water for blue light yellow, no fluorescence, in concentrated sulfuric acid for brown, dilution after hot pink precipitation. Used in cosmetics coloring.
Standard | Light Fastness | Heat-resistant(℃) | water | Sodium Carbonate(5%) | Hydrochloric acid(5%) | |
Melting point | Stable | |||||
ISO | Poor | Insoluble |
Properties of ROSE BENGAL LACTONE
Melting point: | 280 °C (dec.)(lit.) |
Boiling point: | 741.8±60.0 °C(Predicted) |
Density | 2.96±0.1 g/cm3(Predicted) |
pka | 7.03±0.20(Predicted) |
EPA Substance Registry System | Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodo- (4159-77-7) |
Safety information for ROSE BENGAL LACTONE
Signal word | Warning |
Pictogram(s) |
Exclamation Mark Irritant GHS07 |
GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for ROSE BENGAL LACTONE
New Products
4-Aminotetrahydropyran-4-carbonitrile Hydrochloride (R)-3-Aminobutanenitrile Hydrochloride 4-AMINO-TETRAHYDRO-PYRAN-4-CARBOXYLIC ACID HCL 4-(Dimethylamino)tetrahydro-2H-pyran-4-carbonitrile 3-((Dimethylamino)methyl)-5-methylhexan-2-one oxalate 1,4-Dioxa-8-azaspiro[4.5]decane 5-Bromo-2-nitropyridine Nimesulide BP Aceclofenac IP/BP/EP Diclofenac Sodium IP/BP/EP/USP Mefenamic Acid IP/BP/EP/USP Ornidazole IP Diclofenac Potassium SODIUM AAS SOLUTION ZINC AAS SOLUTION BUFFER SOLUTION PH 10.0(BORATE) GOOCH CRUCIBLE SINTERED AQUANIL 5 BERYLLIUM AAS SOLUTION 2-Bromo-1-(bromomethyl)-3-chloro-5-nitrobenzene 2-Bromo-3-nitroaniline N-(3-Hydroxypropyl)-N-methylacetamide 3-Bromo-6-chloropyridazine 4-ethyl-3-nitrobenzoic acidRelated products of tetrahydrofuran
Agar rose bengal
Solvent Red 127
Solvent Red 138
Solvent Red 132
Solvent Red 100
ERYTHROSIN B
Solvent Red 13
SOLVENT RED 130
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