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Methine triacetate

Also known as 3-Acetyl-2,4-pentanedione, 2,4-Pentanedione, 3-acetyl-, Triacetylmethane

Methine triacetate chemical structure, C7H10O3, CAS 815-68-9
2D chemical structure

Key facts

What buyers check first

CAS number
815-68-9
Formula
C7H10O3
Molar mass
142.15 g/mol
EC number
212-422-4
HS code
291419
Category
Aldehydes and ketones

What is Methine triacetate?

Plain description, key identifiers and synonyms

Methine triacetate is a chemical substance with the molecular formula C7H10O3 and a molar mass of 142.15 g/mol. Its CAS registry number is 815-68-9. The IUPAC name is 3-acetylpentane-2,4-dione.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-acetylpentane-2,4-dione
CAS number
815-68-9 CAS number cross-checked
EC number
212-422-4
Molecular formula
C7H10O3
UNII
XF3T5YJT4R
MDL number
MFCD00004516
InChIKey
AUZFRUHVDNDVJI-UHFFFAOYSA-N
InChI
InChI=1S/C7H10O3/c1-4(8)7(5(2)9)6(3)10/h7H,1-3H3
SMILES (canonical and isomeric)
CC(=O)C(C(=O)C)C(=O)C

Synonyms

  • 3-Acetyl-2,4-pentanedione
  • 2,4-Pentanedione, 3-acetyl-
  • Triacetylmethane
  • 3-acetylpentane-2,4-dione
  • Diacetylaceton
  • Methane triacetate
  • Methane, triacetyl-
  • 3-Acetyl-2,4-pentandione

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
142.15 g/molcalc.
Exact mass
142.063 Dacalc.
LogP (octanol/water)
0.37calc.
Topological polar surface area
51.21 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
3calc.
Heavy atoms
10calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.57calc.
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
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H319Causes serious eye irritation.
Precautionary statements (4)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • 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.

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

Methine triacetate suppliers

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Methine triacetate 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

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 Methine triacetate is traded under.

HS 2914.19Indicative HS code

Acyclic ketones without other oxygen function, other

World exports in 2024
$264M
+1.7% vs 2023, imports $308M
2019 to 2024
Top exporters
  1. China27.1%
  2. United States27.0%
  3. Germany10.5%
Top importers
  1. China22.8%
  2. United States13.0%
  3. India * partner reported10.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Methine triacetate, based on the data on this page

Is Methine triacetate hazardous?

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

Guides for buyers

Practical guides that help when you source, ship or handle Methine triacetate

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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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