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Dyes and pigments

Maclurin

Also known as Laguncurin, Moritannic acid, Kino-yellow

CAS 519-34-6Formula C13H10O6Molar mass 262.22 g/molEC 208-268-2
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 3 suppliers listed
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Maclurin chemical structure, C13H10O6, CAS 519-34-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
519-34-6
Formula
C13H10O6
Molar mass
262.22 g/mol
EC number
208-268-2
HS code
291450
Category
Dyes and pigments

What is Maclurin?

Plain description, key identifiers and synonyms

Maclurin is a member of benzophenones.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(3,4-dihydroxyphenyl)-(2,4,6-trihydroxyphenyl)methanone
CAS number
519-34-6 CAS number cross-checked
EC number
208-268-2
Molecular formula
C13H10O6
UNII
27KFF3PMTU
MDL number
MFCD00016438
InChIKey
XNWPXDGRBWJIES-UHFFFAOYSA-N
InChI
InChI=1S/C13H10O6/c14-7-4-10(17)12(11(18)5-7)13(19)6-1-2-8(15)9(16)3-6/h1-5,14-18H
SMILES (canonical and isomeric)
C1=CC(=C(C=C1C(=O)C2=C(C=C(C=C2O)O)O)O)O

Synonyms

  • Laguncurin
  • Moritannic acid
  • Kino-yellow
  • Morintannic acid
  • 2,3',4,4',6-Pentahydroxybenzophenone
  • (3,4-Dihydroxyphenyl)(2,4,6-trihydroxyphenyl)methanone
  • Maclura pomifera lectin
  • (3,4-dihydroxyphenyl)-(2,4,6-trihydroxyphenyl)methanone
  • C.I. 75240
  • Methanone, (3,4-dihydroxyphenyl)(2,4,6-trihydroxyphenyl)-
  • 2-((3,4-dihydroxyphenyl)carbonyl)benzene-1,3,5-triol
  • 2-[(3,4-dihydroxyphenyl)carbonyl]benzene-1,3,5-triol
  • Macurin
  • Maklurin
  • Patent Fustin
  • 2-(3,4-dihydroxybenzoyl)benzene-1,3,5-triol
  • Moritannic acid, NSC 83240, Patent Fustin
  • Maclurine
  • Moringerbic acid
  • natural yellow 11
  • maclurin [M+H]+
  • Maclurin(p)
  • 6-Pentahydroxybenzophenone
  • (3,4,6-trihydroxyphenyl)methanone
  • 2,4,4',6-Pentahydroxybenzophenone
Show all 34 synonyms
  • Anhydro-1-b-D-fructofuranosyluracil
  • Benzophenone,3',4,4',6-pentahydroxy-
  • 2,3',4,4', 6-Pentahydroxybenzophenone
  • 2,3',4,4',6-Pentahydroxy-Benzophenone
  • Benzophenone, 2,3',4,4',6-pentahydroxy-
  • 2,3',4,4',6-Pentahydroxybenzophenone - 85%
  • 2,4,6,3',4'-Pentahydroxy benzophenone
  • Benzophenone, 2,3',4,4',6-pentahydroxy- (8CI)
  • Methanone,4-dihydroxyphenyl)(2,4,6-trihydroxyphenyl)-

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
262.22 g/molcalc.
Exact mass
262.0477 Dacalc.
LogP (octanol/water)
1.45calc.
Topological polar surface area
118.2 Ųcalc.
Hydrogen bond donors
5calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
2calc.
Heavy atoms
19calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
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=C(c1ccccc1)c1ccccc1

O=C(c1ccccc1)c1ccccc1

2 rings, 14 atoms, the Benzophenone ring system.

5,108 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
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H319Causes serious eye irritation.
  • H400Very toxic to aquatic life.
Precautionary statements (7)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P337 + P317If eye irritation persists: Get medical help.
  • P391Collect spillage.
  • 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

Maclurin suppliers

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

All 3 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

3 suppliers in 1 country

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Maclurin 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

United States

  • TSCA inventory (USA)
    Status: Active 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 Maclurin is traded under.

HS 2914.50Indicative HS code

Ketone-phenols and ketones with other oxygen function

World exports in 2024
$438M
+10.9% vs 2023, imports $420M
2019 to 2024
Top exporters
  1. China50.5%
  2. India * partner reported11.6%
  3. United States11.3%
Top importers
  1. United States20.8%
  2. Germany10.0%
  3. Netherlands8.6%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Maclurin?

Maclurin is a member of benzophenones.

What is the CAS number of Maclurin?

The CAS registry number of Maclurin is 519-34-6.

What is the molecular formula and weight of Maclurin?

The molecular formula of Maclurin is C13H10O6 and its molar mass is 262.22 g/mol.

Is Maclurin hazardous?

Maclurin carries the GHS signal word "Warning". Main hazards: causes serious eye irritation, very toxic to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Maclurin?

Maclurin is usually classified under HS code 291450 (Ketone-phenols and ketones with other oxygen function). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Maclurin?

CompoundList lists 3 suppliers of Maclurin in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Maclurin?

Suppliers quote Maclurin 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 Maclurin

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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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