ROSE BENGAL
ROSE BENGAL AR
C.I.No.45440It is commonly used in eye drops to stain damaged conjunctival and corneal cells and thereby identify damage to the eye.
Short Name: ROSE BENGAL
Synonym: 4,5,6,7-tetrachloro-2',4',5',7'-tetraiodofluorescein, Acid Red 94, Bengal Rose B sodium salt
Basic Details
Article No.
LG3924
Grade
AR
Purity
85% dye content
CAS No.
632-69-9
HS Code
3204.9000
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
Dark red powder
Solubility in water [% weight]
Soluble in water
Chemical Specifications
Appearance
Dark red to reddish brown colored powder
Identity (IR)
Passes test
Solubility (1 mg/mL in water)
Clear to slightly hazy red color solution
Absorption maxima (0.001% in water + 1 ml 1% Na2CO3 solution)
544 - 550 nm
Absorptivity (A 1%/1cm; at λmax)
Min 860.0
Dye content
Min 85.0%
Loss on drying (at 110°C)
Max 10.0%
Safety Information & Hazard Symbols
Safety Statement
22-24/25