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Atomfair Methyl difluoroacetate C3H4F2O2 CAS 433-53-4

Methyl Difluoroacetate (CAS No. 433-53-4) is a high-purity fluorinated ester with the molecular formula C3H4F2O2and IUPAC name methyl 2,2-difluoroacetate . This specialized chemical is widely utilized in pharmaceutical synthesis, agrochemical production, and advanced material research due to its unique fluorinated structure. Our product is rigorously tested to ensure ≥98% purity (GC) and is supplied in sealed, moisture-resistant packaging to maintain stability. Ideal for nucleophilic substitution reactions, esterifications, and as a building block for fluorinated compounds. Available in quantities ranging from 5g to 25kg to suit both laboratory and industrial-scale applications. Key Features: – High reactivity for fluorination reactions – Low…

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Description

Methyl Difluoroacetate (CAS No. 433-53-4) is a high-purity fluorinated ester with the molecular formula C3H4F2O2 and IUPAC name methyl 2,2-difluoroacetate. This specialized chemical is widely utilized in pharmaceutical synthesis, agrochemical production, and advanced material research due to its unique fluorinated structure. Our product is rigorously tested to ensure ≥98% purity (GC) and is supplied in sealed, moisture-resistant packaging to maintain stability. Ideal for nucleophilic substitution reactions, esterifications, and as a building block for fluorinated compounds. Available in quantities ranging from 5g to 25kg to suit both laboratory and industrial-scale applications.

Key Features:
– High reactivity for fluorination reactions
– Low boiling point (approx. 85-87°C) for easy purification
– Compatible with Grignard reagents and organolithium compounds
– Stored under inert gas to prevent hydrolysis

Properties

  • CAS Number: 433-53-4
  • Complexity: 71.3
  • IUPAC Name: methyl 2,2-difluoroacetate
  • InChI: InChI=1S/C3H4F2O2/c1-7-3(6)2(4)5/h2H,1H3
  • InChI Key: CSSYKHYGURSRAZ-UHFFFAOYSA-N
  • Exact Mass: 110.01793569
  • Molecular Formula: C3H4F2O2
  • Molecular Weight: 110.06
  • SMILES: COC(=O)C(F)F
  • Topological: 26.3
  • Monoisotopic Mass: 110.01793569
  • Synonyms: Methyl difluoroacetate, 433-53-4, Acetic acid, difluoro-, methyl ester, 6U74LQW4K6, EINECS 207-089-7, DTXSID10195815, DTXCID50118306, 207-089-7, cssykhygursraz-uhfffaoysa-n, methyl 2,2-difluoroacetate, Difluoroacetic Acid Methyl Ester, MFCD00039276, Methyl difluoroacetate #, UNII-6U74LQW4K6, Methyl difluoroacetate, 96%, SCHEMBL237982, SCHEMBL5213613, SCHEMBL6164411, RGXLPTMTNWTXIL-UHFFFAOYSA-N, SBB021971, STK349604, AKOS000309883, LS-12952, DB-051071, CS-0204334, M2021, NS00031334, D91567, Methyl difluoroacetate;Difluoroacetic acid methyl ester;

Application

Methyl difluoroacetate serves as a versatile reagent in organic synthesis, particularly for introducing difluoromethyl groups into target molecules. It is employed in the production of fluorinated pharmaceuticals, including protease inhibitors and antiviral agents. The compound also finds use as a precursor for specialty surfactants and in the development of liquid crystal materials for electronic displays.

Safety and Hazards

GHS Hazard Statements

  • H225 (14.3%): Highly Flammable liquid and vapor [Danger Flammable liquids]
  • H226 (85.7%): Flammable liquid and vapor [Warning Flammable liquids]
  • H302 (89.8%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H312 (87.8%): Harmful in contact with skin [Warning Acute toxicity, dermal]
  • H314 (14.3%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
  • H315 (83.7%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (83.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H332 (87.8%): Harmful if inhaled [Warning Acute toxicity, inhalation]
  • H335 (87.8%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P210, P233, P240, P241, P242, P243, P260, P261, P264, P264+P265, P270, P271, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P303+P361+P353, P304+P340, P305+P351+P338, P305+P354+P338, P316, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P363, P370+P378, P403+P233, P403+P235, P405, and P501

Hazard Classes and Categories

  • Flam. Liq. 2 (14.3%)
  • Flam. Liq. 3 (85.7%)
  • Acute Tox. 4 (89.8%)
  • Acute Tox. 4 (87.8%)
  • Skin Corr. 1C (14.3%)
  • Skin Irrit. 2 (83.7%)
  • Eye Irrit. 2 (83.7%)
  • Acute Tox. 4 (87.8%)
  • STOT SE 3 (87.8%)

If you are interested or have any questions, please contact us at support@atomfair.com

Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.

Disclaimer

Intended Use & Restrictions

This product is sold exclusively for laboratory research, analytical testing, or non-commercial purposes.

  • Strictly prohibited: Resale, repackaging, or formulation into commercial products.
  • Not approved for human/animal use, diagnostics, or manufacturing (including pharmaceuticals, agrochemicals, or consumer goods).

Patent & Regulatory Compliance

Certain molecules may be protected by active patents or regulatory restrictions.

  • Buyers must independently verify patent status (e.g., via USPTO/EPO/CNIPA) and comply with local laws.
  • Atomfair LLC does not provide legal assurances regarding patent non-infringement or jurisdictional compliance.

Liability Release

By purchasing, the buyer agrees to:

  • Use this product only as permitted by law.
  • Indemnify Atomfair LLC against all claims arising from misuse, patent infringement, or regulatory violations.

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