Fluorescein diacetate

Name: Fluorescein diacetate
Brand: Vaqora Chemicals
SKU: VQ-000588

About Fluorescein diacetate

Fluorescein diacetate (CAS 596-09-8) is a biological stain offered by Vaqora Chemicals (Puriss grade) with a typical assay of 98%. With the molecular formula C24H16O7, it has a molar mass of 416.4 g/mol. Systematically, it is named (6'-acetyloxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-3'-yl) acetate. It is also known as Cellstain-FDA or Di-O-acetylfluorescein.

In its supplied form it is white to light yellow powder or crystals. Key physical data: a melting point of 204-210 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Key uses span histology and cytology staining, microscopy, clinical laboratories and biological staining. Buyers come mainly from academic and industrial research, diagnostics and biotechnology and textiles and dyeing.

Vaqora Chemicals supplies Fluorescein diacetate in 5 g, 25 g and 1 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Histology & cytology staining
Microscopy
Clinical laboratories
Biological staining

Industries

Specifications & identifiers

Chemical identifiers
Product name	Fluorescein diacetate
Catalogue No.	VQ-000588
CAS Number	596-09-8
IUPAC name	(6'-acetyloxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-3'-yl) acetate
Molecular formula	C₂₄H₁₆O₇
Molecular weight	416.4 g/mol
Exact mass	416.0896
Grade	Puriss
Purity / assay	98%
HSN code	32049000
InChIKey	CHADEQDQBURGHL-UHFFFAOYSA-N
SMILES	CC(=O)OC1=CC2=C(C=C1)C3(C4=C(O2)C=C(C=C4)OC(=O)C)C5=CC=CC=C5C(=O)O3
PubChem CID	65047

Physical properties
Physical form	Crystalline
Appearance	White to light yellow powder or crystals
Melting point	204-210 °C
LogP (XLogP3)	3.6
H-bond donors / acceptors	0 / 7
TPSA	88.1 Å²
Synonyms	Cellstain-FDA, Di-O-acetylfluorescein, Diacetylfluorescein, 3',6'-Diacetylfluorescein, Fluorescein, diacetate, Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-bis(acetyloxy)-, Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-bis(acetyloxy)-, 3',6'-Bis(acetyloxy)spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3,6-Diacetoxyfluoran, 3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-diyl diacetate, Fluorescein 3',6'-diacetate, Diacetil-Fluoresceina

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Other grades of CAS 596-09-8

AR

Fluorescein diacetate, AR

CAS: 596-09-8
Formula: C₂₄H₁₆O₇
MW: 416.4 g/mol

VQ-046452

Frequently asked questions

What is the CAS number of Fluorescein diacetate?

The CAS Registry Number of Fluorescein diacetate is 596-09-8. It is also known as Cellstain-FDA, Di-O-acetylfluorescein, Diacetylfluorescein.

What is the molecular formula and molecular weight of Fluorescein diacetate?

Fluorescein diacetate has the molecular formula C24H16O7 and a molecular weight of 416.4 g/mol. Its IUPAC name is (6'-acetyloxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-3'-yl) acetate.

Which grade and pack sizes of Fluorescein diacetate can I order?

We supply Fluorescein diacetate in Puriss (98%) grade, in 5 g, 25 g, 1 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Fluorescein diacetate?

Yes. Every lot of Fluorescein diacetate is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Fluorescein diacetate be shipped internationally?

Yes. We export Fluorescein diacetate worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.