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Synthetic aroma chemicals

Pinacol

Also known as 2,3-Dimethylbutane-2,3-diol, 2,3-Dimethyl-2,3-butanediol, Pinacone

CAS 76-09-5Formula C6H14O2Molar mass 118.18 g/molEC 200-933-5
GHS signal word: Danger. Pictograms: Flammable, Harmful or irritant 27 suppliers listed
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Pinacol chemical structure, C6H14O2, CAS 76-09-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
76-09-5
Formula
C6H14O2
Molar mass
118.18 g/mol
Physical form
Solid
HS code
290539
Category
Synthetic aroma chemicals
Illustrative photo, assorted laboratory chemical bottles and jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Pinacol?

Plain description, key identifiers and synonyms

Pinacol is a glycol that is ethylene glycol in which all four methylene hydrogens have been replaced by methyl groups.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2,3-dimethylbutane-2,3-diol
CAS number
76-09-5 CAS number cross-checked
EC number
200-933-5
Molecular formula
C6H14O2
UNII
527QE7I5CO
MDL number
MFCD00004462
INCI name
PINACOL
InChIKey
IVDFJHOHABJVEH-UHFFFAOYSA-N
InChI
InChI=1S/C6H14O2/c1-5(2,7)6(3,4)8/h7-8H,1-4H3
SMILES (canonical and isomeric)
CC(C)(C(C)(C)O)O

Synonyms

  • 2,3-Dimethylbutane-2,3-diol
  • 2,3-Dimethyl-2,3-butanediol
  • Pinacone
  • Tetramethylethylene glycol
  • 2,3-Butanediol, 2,3-dimethyl-
  • 1,1,2,2-Tetramethylethylene glycol
  • 2,3-Dihydroxy-2,3-dimethylbutane
  • 2,3-Dimethyl-2,3-dihydroxybutane
  • 2,3-Dimethyl-butane-2,3-diol
  • Pinacol, 98%
  • Pinacol, >=98%
  • 4-01-00-02575 (Beilstein Handbook Reference)
  • 2,3-dimethyl-2,3-butandiol
  • 2,3-Dimethyl-2,3-butanediol, Tetramethylethylene glycol
  • meso-2,3-Dimethyl-2,3-butanediol
  • Pinacol Pinacone 2,3-Dimethyl-2,3-butanediol

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

Physical form
Solidexp.

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
118.18 g/molcalc.
Exact mass
118.0994 Dacalc.
LogP (octanol/water)
0.53calc.
Topological polar surface area
40.46 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
8calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H228Flammable solid.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (20)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • 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.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • 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

Pinacol suppliers

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

All 27 suppliers
27 of 27 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

27 suppliers in 4 countries

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Pinacol 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

Cosmetic ingredient, INCI name PINACOL(perfuming)

Functional uses

  • Fragrance

Cosmetic functions

  • Perfuming

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

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 Pinacol is traded under.

HS 2905.39Indicative HS code

Diols, other

World exports in 2024
$1.92B
−3.5% vs 2023, imports $2B
2019 to 2024
Top exporters
  1. China22.3%
  2. United States17.9%
  3. Germany16.1%
Top importers
  1. Germany12.0%
  2. China11.3%
  3. South Korea10.5%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Pinacol?

Pinacol is a glycol that is ethylene glycol in which all four methylene hydrogens have been replaced by methyl groups.

What is the CAS number of Pinacol?

The CAS registry number of Pinacol is 76-09-5.

What is the molecular formula and weight of Pinacol?

The molecular formula of Pinacol is C6H14O2 and its molar mass is 118.18 g/mol.

What is Pinacol used for?

Known uses and roles of Pinacol include fragrance ingredients in cosmetics and personal care, fragrance ingredients in flavors and fragrances, perfuming and fragrance.

Is Pinacol hazardous?

Pinacol carries the GHS signal word "Danger". Main hazards: flammable solid, causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Pinacol?

Pinacol is usually classified under HS code 290539 (Diols, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Pinacol?

CompoundList lists 27 suppliers of Pinacol in China, United States, Canada and Germany. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Pinacol?

Suppliers quote Pinacol 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 Pinacol

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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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