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HomeProduct name listROSE BENGAL LACTONE

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
ROSE BENGAL LACTONE Structural

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)
ghs
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

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