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Esters & Lactones

Rose Bengal lactone

Reference StandardAvailable on request

Order Rose Bengal lactone (CAS 4159-77-7) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Packs from 10 mg.

Pack sizes
Rose Bengal lactone chemical structure
CAS number4159-77-7
FormulaC20H4Cl4I4O5
Molar mass973.7 g/mol
InChIKeyIICCLYANAQEHCI-UHFFFAOYSA-N
IUPAC name4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one

About Rose Bengal lactone

Researchers and plant chemists source Rose Bengal lactone from Zemixal for routine and specialised work. Identity at a glance (Reference Standard): CAS 4159-77-7, formula C20H4Cl4I4O5 and molar mass 973.7 g/mol.

Typical applications

  • Organic synthesis
  • API synthesis

Storage and safety notes

Hazard communication follows GHS (Warning: H315, H319 and H335). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Organic synthesis
  • API synthesis

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of Rose Bengal lactone
Product nameRose Bengal lactone
Catalogue numberZX-007996
CAS number4159-77-7
IUPAC name4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one
Molecular formulaC20H4Cl4I4O5
Molar mass973.7 g/mol
Exact mass973.4962
GradeReference Standard
XLogP38.5
H-bond donors / acceptors2 / 5
Topological polar surface area76 Ų
InChIKeyIICCLYANAQEHCI-UHFFFAOYSA-N
SMILESC1=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
PubChem CID69439
SynonymsRose Bengal, 2',4',5',7'-Tetraiodo-4,5,6,7-tetrachlorofluorescein, 4,5,6,7-Tetrachloro-2',4',5',7'-tetraiodofluorescein, Solvent Red 141, C.I. Solvent Red 141, Bengal Rose B, BLUE 7, Rose bengal B, Food Red 105, C20H4Cl4I4O5, Rose Bengal RB, rose-bengal-lactone

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Rose Bengal lactone
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Rose Bengal lactone

Which CAS number identifies Rose Bengal lactone?
Rose Bengal lactone is registered under CAS 4159-77-7. You may also see it listed as Rose Bengal, 2',4',5',7'-Tetraiodo-4,5,6,7-tetrachlorofluorescein, 4,5,6,7-Tetrachloro-2',4',5',7'-tetraiodofluorescein. Our catalogue number for this item is ZX-007996.
What are the formula and molar mass of Rose Bengal lactone?
For Rose Bengal lactone, its formula is C20H4Cl4I4O5 and its molar mass is 973.7 g/mol. The systematic (IUPAC) name is 4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one. InChIKey IICCLYANAQEHCI-UHFFFAOYSA-N lets you match it in any structure database.
What grade and pack sizes are available for Rose Bengal lactone?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Rose Bengal lactone?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Rose Bengal lactone to my country?
Yes. Because Rose Bengal lactone is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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