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Dyes and pigments

Rubiadin

Also known as 1,3-dihydroxy-2-methylanthracene-9,10-dione, 9,10-Anthracenedione, 1,3-dihydroxy-2-methyl-, 1,3-dihydroxy-2-methyl-9,10-anthracenedione

CAS 117-02-2Formula C15H10O4Molar mass 254.24 g/molEC 683-093-6
GHS signal word: Warning. Pictograms: Harmful or irritant 12 suppliers listed
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Rubiadin chemical structure, C15H10O4, CAS 117-02-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
117-02-2
Formula
C15H10O4
Molar mass
254.24 g/mol
EC number
683-093-6
HS code
291469
Category
Dyes and pigments

What is Rubiadin?

Plain description, key identifiers and synonyms

Rubiadin is a dihydroxyanthraquinone that is anthracene-9,10-dione substituted by hydroxy groups at positions 1 and 3 and a methyl group at position 2. It has been isolated from Rubia yunnanensis. It has a role as an antioxidant, an antibacterial agent, a hepatoprotective agent and a plant metabolite.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1,3-dihydroxy-2-methylanthracene-9,10-dione
CAS number
117-02-2 CAS number cross-checked
EC number
683-093-6
Molecular formula
C15H10O4
UNII
CY0UH3X06R
MDL number
MFCD02752095
InChIKey
IRZTUXPRIUZXMP-UHFFFAOYSA-N
InChI
InChI=1S/C15H10O4/c1-7-11(16)6-10-12(13(7)17)15(19)9-5-3-2-4-8(9)14(10)18/h2-6,16-17H,1H3
SMILES (canonical and isomeric)
CC1=C(C=C2C(=C1O)C(=O)C3=CC=CC=C3C2=O)O

Synonyms

  • 1,3-dihydroxy-2-methylanthracene-9,10-dione
  • 9,10-Anthracenedione, 1,3-dihydroxy-2-methyl-
  • 1,3-dihydroxy-2-methyl-9,10-anthracenedione
  • 1,3-dihydroxy-2-methyl-anthracene-9,10-dione
  • C.I. 75350
  • Rubiadine
  • 1,3-dihydroxy-2-methylanthraquinone
  • 1,3-dihydroxy-2-methylanthra-9,10-quinone
  • Anthraquinone, 1,3-dihydroxy-2-methyl-
  • 1,3-dihydroxy-2-methyl-9,10-anthraquinone
  • Rubiadin (Standard)
  • 1,3-dihydroxy-2-methylanth
  • Rubiadin, analytical standard
  • 1,3-Dihydroxy-2-methyl-9,10-dihydroanthracene-9,10-dione
  • 1,3-dihydroxy-2-methyl anthraquinone
  • 1,3-Dihydroxy-2-methylanthraquinone"
  • 1,3-dihydroxy-2-methyl-910-anthracenedione

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
254.24 g/molcalc.
Exact mass
254.0579 Dacalc.
LogP (octanol/water)
2.18calc.
Topological polar surface area
74.6 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
4calc.
Rotatable bonds
0calc.
Heavy atoms
19calc.
Rings
3calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.07calc.
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=C1c2ccccc2C(=O)c2ccccc21

O=C1c2ccccc2C(=O)c2ccccc21

3 rings, 16 atoms, the Anthraquinone ring system.

2,059 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

  • H302Harmful if swallowed.
Precautionary statements (5)
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P301 + P317If swallowed: Get medical help.
  • P330Rinse mouth.
  • 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

Rubiadin suppliers

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

All 12 suppliers
12 of 12 offers

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

12 suppliers in 3 countries

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Rubiadin 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

Roles

  • antibacterial agent
  • antimicrobial agent
  • antioxidant
  • eukaryotic metabolite
  • hepatoprotective agent
  • metabolite
  • pharmaceutical
  • plant metabolite
  • protective agent

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 Rubiadin is traded under.

HS 2914.69Indicative HS code

Quinones, other

World exports in 2024
$162M
−10.1% vs 2023, imports $157M
2019 to 2024
Top exporters
  1. China32.8%
  2. Netherlands29.3%
  3. Japan13.8%
Top importers
  1. United States23.0%
  2. India * partner reported16.1%
  3. Thailand7.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Rubiadin?

Rubiadin is a dihydroxyanthraquinone that is anthracene-9,10-dione substituted by hydroxy groups at positions 1 and 3 and a methyl group at position 2. It has been isolated from Rubia yunnanensis. It has a role as an antioxidant, an antibacterial agent, a hepatoprotective agent and a plant metabolite.

What is the CAS number of Rubiadin?

The CAS registry number of Rubiadin is 117-02-2.

What is the molecular formula and weight of Rubiadin?

The molecular formula of Rubiadin is C15H10O4 and its molar mass is 254.24 g/mol.

What is Rubiadin used for?

Known uses and roles of Rubiadin include antibacterial agent, antimicrobial agent, antioxidant, eukaryotic metabolite, hepatoprotective agent and 4 more.

Is Rubiadin hazardous?

Rubiadin carries the GHS signal word "Warning". Main hazards: harmful if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Rubiadin?

Rubiadin is usually classified under HS code 291469 (Quinones, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Rubiadin?

CompoundList lists 12 suppliers of Rubiadin in China, United States 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 Rubiadin in India?

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

What is the price of Rubiadin?

Suppliers quote Rubiadin 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 Rubiadin

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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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