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HomeProduct name listAcid Red 94

Acid Red 94

Synonym(s):Insulin-like growth factor I;Mechano growth factor;Somatomedin-C

  • CAS NO.:632-69-9
  • Empirical Formula: C20H5Cl4I4NaO5
  • Molecular Weight: 997.66
  • MDL number: MFCD00151169
  • EINECS: 211-183-3
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-11-05 08:26:49
Acid Red 94 Structural

What is Acid Red 94?

Description

Rose bengal is a xanthene dye, fluorescein derivative, and photosensitizer. It exhibits absorption/emission maxima of 548/567 nm, respectively. Rose bengal binds to S. aureus cells and decreases survival of photoirradiated S. aureus to 0.012% when used at a concentration of 1 μM. It generates singlet oxygen when exposed to photoirradiation in cell-free assays and induces potassium ion leakage from S. aureus and bovine erythrocytes in the presence of photoirradiation. Rose bengal inhibits the cytochrome P450 (CYP) isoform CYP3A4/5 and the UDP-glucuronosyltransferase (UGT) isoform UGT1A6 in human liver microsomes in a light-dependent manner, with IC50 values of 0.072 and 0.035 μM, respectively, in yellow light, 3.1 and 4.2 μM, respectively, in ambient light, and 3 and 4.2 μM, respectively, in the dark. It has been used for staining of live cells, but exhibits both intrinsic and phototoxicity.

Chemical properties

bordeaux-red to red-brown crystalline powder

The Uses of Acid Red 94

Rose Bengal Sodium Salt is used in biological studies as potential for use as sensitizers in photodynamic and sonodynamic therapy by synthesizing Rose Bengal amphiphilic derivatives. This compound has neuroprotective properties.

The Uses of Acid Red 94

For research use only. Not for use in diagnostic procedures.
Please refer to the attached Protocolfor details.

What are the applications of Application

Rose Bengal Sodium Salt is a photosensitizer and dye

General Description

This ELISA antibody pair detects Bovine IGF-1

Safety Profile

An experimental teratogen. Experimental reproductive effects. Questionable carcinogen with experimental neoplastigenic data. When heated to decomposition it emits toxic fumes of Cl-, I-, and NazO.

Veterinary Drugs and Treatments

Rose bengal is a vital stain and stains dead epithelial cells and mucus. Full thickness loss of the corneal epithelium is not necessary (only dead cells need be present) to obtain rose bengal stain uptake. It does not stain epithelial defects and does not pass into intercellular spaces.
Rose bengal stain is most commonly employed in the detection of the presence of viral keratitis in the cat. Because feline herpes virus tends to infect one cell, moving then to an adjacent cell (causing the so called dendritic tracts in the cornea) without full thickness loss of corneal epithelium initially, rose bengal is an ideal diagnostic agent for this infection. Rose Bengal can also be used to detect damaged corneal epithelium on the dorsal cornea in early cases of keratoconjunctivitis sicca. Rose bengal stain is virucidal although no information is available relative to its use as a therapeutic agent.

in vitro

rose bengal was a quite potent membrane-permeant inhibitor of glutamate uptake into isolated synaptic vesicles. such vesicular glu uptake inhibition was achieved without affecting h1-pump atpase. it was found that various degrees of reduction elicited by rose bengal in [3h]glu in synaptic vesicles inside the synaptosome [1].

in vivo

the distribution of i.v. administered rose bengal was found to depend on its dose. at a low dose, rose bengal could be found almost solely in the liver and plasma. however, at higher doses, the amount of rose bengal found in extra-hepatic tissues gradually increased. the hepatic transfer maximum of rose bengal amounted to 146 micrograms/kg/min. by increasing the dose from 10 to 200 mg/kg, the hepatic concentration of rose bengal also approached a maximum. the storage capacity of the liver, however, did not limit the transfer maximum of rose bengal [1].

storage

Store at RT

Purification Methods

This biological stain can be purified by chromatography on silica TLC using a 35:65 mix of EtOH/acetone as eluent. [Beilstein 19 II 261, 19 III/IV 2926.]

References

[1] ogita k,hirata k,bole dg,yoshida s,tamura y,leckenby am,ueda t. inhibition of vesicular glutamate storage and exocytotic release by rose bengal. j neurochem.2001 apr;77(1):34-42.
[2] fischer e,varga f. hepatic storage and biliary excretion of rose bengal in the rat. acta physiol acad sci hung.1979;54(1):89-94.

Properties of Acid Red 94

Melting point: >300°C
storage temp.  Store at +15°C to +30°C.
solubility  H2O: soluble1mg/mL
form  Solid
Colour Index  45440
pka 3.9, 4.7(at 25℃)
color  Red-brown
Water Solubility  soluble
λmax 548 nm
Sensitive  Light Sensitive
Merck  14,8262
BRN  3645857
Biological Applications Apoptosis assay; diagnosis of diseases related to amyloid accumulation; controlling plant diseases; identifying fungi; treating skin,mouth,digestive tract,urinary tract,reproductive tract,respiratory tract,circulatory system
CAS DataBase Reference 632-69-9(CAS DataBase Reference)
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-, disodium salt (632-69-9)

Safety information for Acid Red 94

Signal word Warning
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
GHS Hazard Statements H290:Corrosive to Metals
Precautionary Statement Codes P234:Keep only in original container.
P390:Absorb spillage to prevent material damage.

Computed Descriptors for Acid Red 94

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