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Fluorescent dyes and stains

Brazilin

Also known as (+)-Brazilin, c.i. natural red 24, (6aS,11bR)-7,11b-dihydro-6H-indeno[2,1-c]chromene-3,6a,9,10-tetrol

CAS 474-07-7Formula C16H14O5Molar mass 286.28 g/molEC 207-477-6
GHS signal word: Warning. Pictograms: Harmful or irritant 8 suppliers listed
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Brazilin chemical structure, C16H14O5, CAS 474-07-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
474-07-7
Formula
C16H14O5
Molar mass
286.28 g/mol
EC number
207-477-6
HS code
293299
Category
Fluorescent dyes and stains

What is Brazilin?

Plain description, key identifiers and synonyms

Brazilin is a tertiary alcohol, a member of catechols and an organic heterotetracyclic compound. It has a role as an antioxidant, a biological pigment, an antibacterial agent, an antineoplastic agent, a hepatoprotective agent, an anti-inflammatory agent, an apoptosis inducer, a NF-kappaB inhibitor, a plant metabolite and a histological dye.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(6aS,11bR)-7,11b-dihydro-6H-indeno[2,1-c]chromene-3,6a,9,10-tetrol
CAS number
474-07-7 CAS number cross-checked
EC number
207-477-6
Molecular formula
C16H14O5
UNII
FZ39SW1K10
MDL number
MFCD00210817
InChIKey
UWHUTZOCTZJUKC-JKSUJKDBSA-N
InChI
InChI=1S/C16H14O5/c17-9-1-2-10-14(4-9)21-7-16(20)6-8-3-12(18)13(19)5-11(8)15(10)16/h1-5,15,17-20H,6-7H2/t15-,16+/m0/s1
Canonical SMILES
Oc1ccc2c(c1)OCC1(O)Cc3cc(O)c(O)cc3C21
Isomeric SMILES
C1C2=CC(=C(C=C2[C@H]3[C@@]1(COC4=C3C=CC(=C4)O)O)O)O

Synonyms

  • (+)-Brazilin
  • c.i. natural red 24
  • (6aS,11bR)-7,11b-dihydro-6H-indeno[2,1-c]chromene-3,6a,9,10-tetrol
  • (6aS,11bR)-7,11b-dihydroindeno[2,1-c]chromene-3,6a,9,10(6H)-tetrol
  • C.I. 75280
  • (6aS,11bR)-7,11b-dihydro-6H-indeno(2,1-c)chromene-3,6a,9,10-tetrol
  • (6aS,11bR)-7,11b-dihydroindeno(2,1-c)chromene-3,6a,9,10(6H)-tetrol
  • Braziletto
  • Natural Red 24
  • Superbresiline
  • Brasiline
  • 7,11b-Dihydrobenz(b)indeno(1,2-d)pyran-3,6a,9,10(6H)-tetrol
  • (6aS,11bR)-7,11b-Dihydrobenz[b]indeno[1,2-d]pyran-3,6a,9,10(6H)-tetrol
  • (6As,11Br)-7,11B-Dihydroindeno[2,1-C]Chromene-3,6A,9,10(6H)-Tetraol
  • 7,11b-dihydrobenz[b]indeno[1,2-d]pyran-3,6a,9,10(6h)-tetrol
  • (6As,11br)-7,11b-dihydrobenz(b)indeno(1,2-d)pyran-3,6a,9,10(6H)-tetrol
  • Benz(b)indeno(1,2-d)pyran-3,6a,9,10(6H)-tetrol, 7,11b-dihydro-, (6aS,11bR)-
  • Brazilin (Standard)
  • C.I.Natural Red 24
  • Brazilin - Bio-X trade mark
  • Benz(b)indeno(1,2-d)pyran-3,6a,9,10(6H)-tetrol, 7,11b-dihydro- (VAN)
  • (6aS,11bR)-7,11b-Dihydrobenzo[b]indeno[1,2-d]pyran-3,6a,9,10(6H)-tetrol
  • Benz[b]indeno[1,2-d]pyran-3,6a,9,10(6H)-tetrol, 7,11b-dihydro-,(6aS,11bR)-
  • (1R,10S)-8-oxatetracyclo[8.7.0.0?,?.0??,??]heptadeca-2(7),3,5,12,14,16-hexaene-5,10,14,15-tetrol
  • (1R,10S)-8-oxatetracyclo[8.7.0.0^{2,7}.0^{12,17}]heptadeca-2(7),3,5,12(17),13,15-hexaene-5,10,14,15-tetrol

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
286.28 g/molcalc.
Exact mass
286.0841 Dacalc.
LogP (octanol/water)
1.61calc.
Topological polar surface area
90.15 Ųcalc.
Hydrogen bond donors
4calc.
Hydrogen bond acceptors
5calc.
Rotatable bonds
0calc.
Heavy atoms
21calc.
Rings
4calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.25calc.
Formal charge
0calc.
Stereocentres
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, c1ccc2c(c1)CC1COc3ccccc3C21

c1ccc2c(c1)CC1COc3ccccc3C21

4 rings, 17 atoms.

6 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

Brazilin suppliers

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

All 8 suppliers
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Where suppliers are based

8 suppliers in 2 countries

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Brazilin price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Roles

  • NF-kappaB inhibitor
  • anti-inflammatory agent
  • antibacterial agent
  • antimicrobial agent
  • antineoplastic agent
  • antioxidant
  • apoptosis inducer
  • biological pigment
  • biophysical role
  • dye
  • eukaryotic metabolite
  • hepatoprotective agent
  • histological dye
  • metabolite
  • pharmaceutical
  • plant metabolite
  • protective agent

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Inactive in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Brazilin 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 Brazilin is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Brazilin?

Brazilin is a tertiary alcohol, a member of catechols and an organic heterotetracyclic compound.

What is the CAS number of Brazilin?

The CAS registry number of Brazilin is 474-07-7.

What is the molecular formula and weight of Brazilin?

The molecular formula of Brazilin is C16H14O5 and its molar mass is 286.28 g/mol.

What is Brazilin used for?

Known uses and roles of Brazilin include indicators and stains in research and laboratory, nf-kappab inhibitor, anti-inflammatory agent, antibacterial agent, antimicrobial agent and 13 more.

Is Brazilin hazardous?

Brazilin carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Brazilin?

Brazilin 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 Brazilin?

CompoundList lists 8 suppliers of Brazilin in China and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Brazilin?

Suppliers quote Brazilin 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 Brazilin

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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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