Back to catalog
Active ingredient reference standard

Fluorescein Disodium

Material overview

Fluorescein Disodium (AY-0366-003) — active ingredient reference standard. CAS 518-47-8, formula C20H10Na2O5, molecular weight 376.30 g/mol. Request technical documentation and current availability.

Confirm availability

Technical identifiers

Catalog number
AY-0366-003
CAS number
518-47-8
Molecular formula
C20H10Na2O5
Molecular weight
376.30 g/mol
Category
Active ingredient reference standard
Chemical name
disodium;2-(3-oxido-6-oxoxanthen-9-yl)benzoate
Synonyms
Not listed
SMILES
C1=CC=C(C(=C1)C2=C3C=CC(=O)C=C3OC4=C2C=CC(=C4)[O-])C(=O)[O-].[Na+].[Na+]
Appearance
Orange Solid
Light sensitive
No
Hygroscopic
No

Request this material

Ask about current availability, documentation, or a pack size for your program.

Request a quotation

Available pack sizes

Contact us for pack options.

Storage

Refrigerator

Need help selecting a material?

Our catalog team can help confirm fit, grade, and availability.

Contact catalog support