Rose Bengal lactone - 95%, high purity , CAS No.4159-77-7

Item Number

R335129

Grouped product items
SKU	Size	Availability	Price	Qty
R335129-100mg	100mg	Available within 8-12 weeks(?) Production requires sourcing of materials. We appreciate your patience and understanding.	$119.90

a useful dye

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Basic Description

Synonyms	Rose Bengal lactone\|4159-77-7\|C.I. Solvent Red 141\|Solvent Red 141\|Bengal Rose B\|4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one\|BIU7Q7W2SH\|C.I.45440:1\|4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetrai
Specifications & Purity	95%
Storage Temp	Room temperature
Shipped In	Normal
Product Description	Rose Bengal lactone is a polyhalogenated derivative of Fluorescein . Rose Bengal lactone is a dye compound described to produce cell membrane damage. Rose Bengal lactone and other Fluorescein derivatives are also described to modulate the function of ATP-sensitive K\|+\|channels.

pKa

pKₐ: 7.03 (Predicted)

Ki Data

VGLUT: Ki= 19 nM

Names and Identifiers

IUPAC Name	4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one
INCHI	InChI=1S/C20H4Cl4I4O5/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
InChi Key	IICCLYANAQEHCI-UHFFFAOYSA-N
Canonical SMILES	C1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I
Isomeric SMILES	C1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I
WGK Germany	3
PubChem CID	69439
Molecular Weight	973.67

Refractive Index

n20D1.96 (Predicted)

Boil Point(°C)

~741.8° C at 760 mmHg (Predicted)

Melt Point(°C)

280° C (lit.)(dec.)

Safety and Hazards(GHS)

Pictogram(s)	GHS07
Signal	Warning
Hazard Statements	H315:Causes skin irritation H319:Causes serious eye irritation H335:May cause respiratory irritation
Precautionary Statements	P261:Avoid breathing dust/fume/gas/mist/vapors/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do - continue rinsing. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of water. P321:Specific treatment (see ... on this label). P405:Store locked up. P501:Dispose of contents/container to ... P264:Wash hands [and …] thoroughly after handling. P271:Use only outdoors or in a well-ventilated area. P304+P340:IF INHALED: Remove person to fresh air and keep comfortable for breathing. P403+P233:Store in a well-ventilated place. Keep container tightly closed. P362+P364:Take off contaminated clothing and wash it before reuse. P264+P265:Wash hands [and …] thoroughly after handling. Do not touch eyes. P337+P317:If eye irritation persists: Get medical help. P332+P317:If skin irritation occurs: Get medical help. P319:Get medical help if you feel unwell.
WGK Germany	3

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Basic Description