(E)-4-Chloro-3-ethoxy-2-butenoic acid ethyl ester
- CAS
- 65840-68-8
- Formula
- C8H13ClO3
- MW
- 192.64 g/mol
ZX-034845
Esters & Lactones
Erythrosin Yellowish
Available on request
Erythrosin Yellowish (CAS 33239-19-9) supplier Zemixal: C20H8I2Na2O5, COA and SDS with every lot, worldwide shipping. Part of our Esters & Lactones range.
CAS number33239-19-9
FormulaC20H8I2Na2O5
Molar mass628.1 g/mol
InChIKeyAHSJNHONMVUMLK-UHFFFAOYSA-L
IUPAC namedisodium;4',5'-diiodo-3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate
About Erythrosin Yellowish
Zemixal supplies Erythrosin Yellowish within its pharma Intermediates & Building Blocks portfolio. Identity at a glance: CAS 33239-19-9, formula C20H8I2Na2O5 and molar mass 628.1 g/mol.
Typical applications
- Organic synthesis
- API synthesis
Safe handling
No GHS classification is recorded for this item, but handle it with normal laboratory care.
Available as 100 mg, 250 mg, 1 g and 5 g. Larger or split packs can be arranged. You receive a batch certificate of analysis and a 16-section SDS with each order. Request pricing online and we confirm availability, documentation and freight to your country.
Typical uses
- Organic synthesis
- API synthesis
Applications
Specifications and identifiers
| Product name | Erythrosin Yellowish |
|---|---|
| Catalogue number | ZX-034841 |
| CAS number | 33239-19-9 |
| IUPAC name | disodium;4',5'-diiodo-3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate |
| Molecular formula | C20H8I2Na2O5 |
| Molar mass | 628.1 g/mol |
| Exact mass | 627.8257 |
| H-bond donors / acceptors | 0 / 5 |
| Topological polar surface area | 81.7 Ų |
| InChIKey | AHSJNHONMVUMLK-UHFFFAOYSA-L |
| SMILES | C1=CC=C2C(=C1)C(=O)OC23C4=C(C(=C(C=C4)[O-])I)OC5=C3C=CC(=C5I)[O-].[Na+].[Na+] |
| PubChem CID | 161764 |
| Synonyms | Diiodofluorescein Disodium Salt, Erythrosin Yellowish sodium salt, Erythrosin Y, Diiodoeosine, Erythrosine yellowish NA, Erythrosine Yellow, Japan Orange 207, Certiqual diiodofluorescein, C Red 35, D & C Orange no. 11, CI 45425 (Na salt), D&C Orange No. 11 |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.
Pack sizes
| 100 mg | Quoted on request | |
| 250 mg | Quoted on request | |
| 1 g | Quoted on request | |
| 5 g | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Erythrosin Yellowish
Which CAS number identifies Erythrosin Yellowish?
Erythrosin Yellowish is registered under CAS 33239-19-9. You may also see it listed as Diiodofluorescein Disodium Salt, Erythrosin Yellowish sodium salt, Erythrosin Y. Our catalogue number for this item is ZX-034841.
What are the formula and molar mass of Erythrosin Yellowish?
For Erythrosin Yellowish, its formula is C20H8I2Na2O5 and its molar mass is 628.1 g/mol. InChIKey AHSJNHONMVUMLK-UHFFFAOYSA-L lets you match it in any structure database.
What grade and pack sizes are available for Erythrosin Yellowish?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 100 mg, 250 mg, 1 g, 5 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Erythrosin Yellowish?
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 Erythrosin Yellowish to my country?
Yes. Erythrosin Yellowish ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.
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