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Impurities and reference standards

Menadiol

Also known as 2-Methylnaphthalene-1,4-diol, 2-Methyl-1,4-naphthohydroquinone, 2-Methyl-1,4-naphthalenediol

CAS 481-85-6Formula C11H10O2Molar mass 174.20 g/molEC 207-573-8
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant 8 suppliers listed
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Menadiol chemical structure, C11H10O2, CAS 481-85-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
481-85-6
Formula
C11H10O2
Molar mass
174.20 g/mol
EC number
207-573-8
HS code
290729
Category
Impurities and reference standards

What is Menadiol?

Plain description, key identifiers and synonyms

Menadiol is a naphthalene-1,4-diol having a methyl substituent at the 2-position. It is a member of naphthalenediols, a member of methylnaphthalenes and a naphthohydroquinone. It is functionally related to a naphthalene-1,4-diol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-methylnaphthalene-1,4-diol
CAS number
481-85-6 CAS number cross-checked
EC number
207-573-8
Molecular formula
C11H10O2
UNII
VQ093653DO
MDL number
MFCD00655068
InChIKey
ZJTLZYDQJHKRMQ-UHFFFAOYSA-N
InChI
InChI=1S/C11H10O2/c1-7-6-10(12)8-4-2-3-5-9(8)11(7)13/h2-6,12-13H,1H3
SMILES (canonical and isomeric)
CC1=C(C2=CC=CC=C2C(=C1)O)O

Synonyms

  • 2-Methylnaphthalene-1,4-diol
  • 2-Methyl-1,4-naphthohydroquinone
  • 2-Methyl-1,4-naphthalenediol
  • Vitamin K3H2
  • Dihydrovitamin K3
  • Reduced menadione
  • Methylnaphthohydroquinone
  • Reduced vitamin K3
  • 2-Methylhydronaphthoquinone
  • 2-Methyl-1,4-naphthoquinol
  • 1,4-dihydroxy-2-methylnaphthalene
  • Menadiol (BAN)
  • 2-Methyl-1,4-dihydroxynaphthalene
  • 1,4-Naphthalenediol, 2-methyl-
  • Vitamin K2 Impurity 15
  • 2-Methyl-naphthalene-1,4-diol
  • 1,4-dihydroxy-2-methyl-naphthalene

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
174.20 g/molcalc.
Exact mass
174.0681 Dacalc.
LogP (octanol/water)
2.56calc.
Topological polar surface area
40.46 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
13calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.09calc.
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, c1ccc2ccccc2c1

c1ccc2ccccc2c1

2 rings, 10 atoms, the Naphthalene ring system.

17,920 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H318Causes serious eye damage.
  • H335May cause respiratory irritation.
  • H412Harmful to aquatic life with long lasting effects.
Precautionary statements (20)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: 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

Menadiol suppliers

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

All 8 suppliers
8 of 8 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

8 suppliers in 2 countries

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Menadiol 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 Menadiol is traded under.

HS 2907.29Indicative HS code

Polyphenols, phenol-alcohols, other

World exports in 2024
$535M
−27.0% vs 2023, imports $565M
2019 to 2024
Top exporters
  1. India * partner reported17.7%
  2. Germany16.5%
  3. Japan15.8%
Top importers
  1. United States13.1%
  2. Japan8.0%
  3. Belgium7.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Menadiol?

Menadiol is a naphthalene-1,4-diol having a methyl substituent at the 2-position. It is a member of naphthalenediols, a member of methylnaphthalenes and a naphthohydroquinone. It is functionally related to a naphthalene-1,4-diol.

What is the CAS number of Menadiol?

The CAS registry number of Menadiol is 481-85-6.

What is the molecular formula and weight of Menadiol?

The molecular formula of Menadiol is C11H10O2 and its molar mass is 174.20 g/mol.

Is Menadiol hazardous?

Menadiol carries the GHS signal word "Danger". Main hazards: harmful if swallowed, causes skin irritation, causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Menadiol?

Menadiol is usually classified under HS code 290729 (Polyphenols, phenol-alcohols, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Menadiol?

CompoundList lists 8 suppliers of Menadiol 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 Menadiol?

Suppliers quote Menadiol 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 Menadiol

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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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