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Heterocyclic compounds

Fluorescite

Also known as Fluorescein Sodium Injection, Fluorescite (TN), Ful-Glo

CAS 41935-48-2Formula C20H12NaO5+Molar mass 355.30 g/mol
2 suppliers listed
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Fluorescite chemical structure, C20H12NaO5+, CAS 41935-48-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
41935-48-2
Formula
C20H12NaO5+
Molar mass
355.30 g/mol
HS code
293299
Category
Heterocyclic compounds

What is Fluorescite?

Plain description, key identifiers and synonyms

Fluorescein Sodium Injection is an injectable form of the sodium salt of the fluorophore fluorescein. Fluorescein responds to electromagnetic radiation between the wavelengths of 465-490 nm and fluoresces, emitting light at wavelengths of 520-530 nm that can be detected visually.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
sodium 2-(3-hydroxy-6-oxoxanthen-9-yl)benzoic acid
CAS number
41935-48-2
Molecular formula
C20H12NaO5+
InChIKey
BVBBXLSCRWJFHQ-UHFFFAOYSA-N
InChI
InChI=1S/C20H12O5.Na/c21-11-5-7-15-17(9-11)25-18-10-12(22)6-8-16(18)19(15)13-3-1-2-4-14(13)20(23)24;/h1-10,21H,(H,23,24);/q;+1
SMILES (canonical and isomeric)
C1=CC=C(C(=C1)C2=C3C=CC(=O)C=C3OC4=C2C=CC(=C4)O)C(=O)O.[Na+]

Synonyms

  • Fluorescein Sodium Injection
  • Fluorescite (TN)
  • Ful-Glo
  • sodium, 2-(3-hydroxy-6-oxoxanthen-9-yl)benzoic acid
  • Fluoreseptic

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
355.30 g/molcalc.
Exact mass
355.0577 Dacalc.
LogP (octanol/water)
0.97calc.
Topological polar surface area
87.74 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
2calc.
Heavy atoms
26calc.
Rings
4calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0calc.
Formal charge
1calc.
Stereocentres
0calc.
Components
2calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=c1ccc2c(-c3ccccc3)c3ccccc3oc-2c1

O=c1ccc2c(-c3ccccc3)c3ccccc3oc-2c1

4 rings, 21 atoms.

166 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Fluorescite suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 2 suppliers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

2 suppliers in 2 countries

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Fluorescite price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Fluorescite is traded under.

HS 2932.99Indicative HS code

Heterocyclic compounds with oxygen hetero-atom(s) only, other

World exports in 2024
$3.81B
+10.3% vs 2023, imports $7.05B
2019 to 2024
Top exporters
  1. China28.9%
  2. Switzerland * partner reported12.7%
  3. Germany7.8%
Top importers
  1. United States49.7%
  2. China11.9%
  3. India * partner reported3.3%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Fluorescite is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Fluorescite, based on the data on this page

What is Fluorescite?

Fluorescein Sodium Injection is an injectable form of the sodium salt of the fluorophore fluorescein. Fluorescein responds to electromagnetic radiation between the wavelengths of 465-490 nm and fluoresces, emitting light at wavelengths of 520-530 nm that can be detected visually.

What is the CAS number of Fluorescite?

The CAS registry number of Fluorescite is 41935-48-2.

What is the molecular formula and weight of Fluorescite?

The molecular formula of Fluorescite is C20H12NaO5+ and its molar mass is 355.30 g/mol.

Is Fluorescite hazardous?

No GHS hazard classification for Fluorescite is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Fluorescite?

Fluorescite is usually classified under HS code 293299 (Heterocyclic compounds with oxygen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Fluorescite?

CompoundList lists 2 suppliers of Fluorescite in China and India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Fluorescite in India?

1 supplier in India list Fluorescite on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Fluorescite?

Suppliers quote Fluorescite on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Fluorescite

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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