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Atomfair 3,5-Dichlorobenzoyl chloride C7H3Cl3O CAS 2905-62-6

3,5-Dichlorobenzoyl chloride (CAS 2905-62-6) is a high-purity organic compound with the molecular formula C7H3Cl3O . This reagent-grade chemical is characterized by its clear to pale yellow liquid appearance and pungent odor. As a benzoyl chloride derivative, it features two chlorine substituents at the 3 and 5 positions of the aromatic ring, enhancing its reactivity as an acylating agent. The product is packaged under inert gas to prevent degradation and is ideal for use in pharmaceutical synthesis, agrochemical production, and advanced material research. With a typical purity of ≥97% (GC), it is suitable for demanding applications in research laboratories and industrial…

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Description

3,5-Dichlorobenzoyl chloride (CAS 2905-62-6) is a high-purity organic compound with the molecular formula C7H3Cl3O. This reagent-grade chemical is characterized by its clear to pale yellow liquid appearance and pungent odor. As a benzoyl chloride derivative, it features two chlorine substituents at the 3 and 5 positions of the aromatic ring, enhancing its reactivity as an acylating agent. The product is packaged under inert gas to prevent degradation and is ideal for use in pharmaceutical synthesis, agrochemical production, and advanced material research. With a typical purity of ≥97% (GC), it is suitable for demanding applications in research laboratories and industrial processes. Proper handling requires PPE due to its corrosive nature and moisture sensitivity.

Properties

  • CAS Number: 2905-62-6
  • Complexity: 150
  • IUPAC Name: 3,5-dichlorobenzoyl chloride
  • InChI: InChI=1S/C7H3Cl3O/c8-5-1-4(7(10)11)2-6(9)3-5/h1-3H
  • InChI Key: GGHLXLVPNZMBQR-UHFFFAOYSA-N
  • Exact Mass: 207.924948
  • Molecular Formula: C7H3Cl3O
  • Molecular Weight: 209.5
  • SMILES: C1=C(C=C(C=C1Cl)Cl)C(=O)Cl
  • Topological: 17.1
  • Monoisotopic Mass: 207.924948
  • Synonyms: 3,5-Dichlorobenzoyl chloride, 2905-62-6, Benzoyl chloride, 3,5-dichloro-, EINECS 220-813-6, DTXSID1027506, RH-24,299, DTXCID107506, S09182623N, EC 220-813-6, 3,5-DICHLOROBENZOIC ACID CHLORIDE, J149.672G, 220-813-6, MFCD00009817, 3 pound not5-Dichlorobenzoyl chloride, 3,5-dichlorobenzoylchloride, UNII-S09182623N, SCHEMBL93282, 3,5-dichloro-benzoyl chloride, CHEMBL3184849, Tox21_200629, 3,5-Dichlorobenzoyl chloride, 96%, SBB061731, AKOS005256295, 3,5-dichloro-1-benzenecarbonyl chloride, NCGC00164131-01, NCGC00164131-02, NCGC00258183-01, PS-10776, CAS-2905-62-6, DB-022031, D1404, NS00007981, ST51047714, E76469, EN300-233772, Q27288386, F2158-0705, InChI=1/C7H3Cl3O/c8-5-1-4(7(10)11)2-6(9)3-5/h1-3

Application

3,5-Dichlorobenzoyl chloride serves as a key intermediate in organic synthesis, particularly for introducing the 3,5-dichlorobenzoyl moiety into target molecules. It is widely employed in pharmaceutical research for developing active pharmaceutical ingredients (APIs) with enhanced bioactivity. The compound also finds use in agrochemical production as a building block for herbicides and fungicides. Additionally, it is utilized in polymer chemistry for modifying resin properties and in specialty chemical manufacturing.

Safety and Hazards

GHS Hazard Statements

  • H302 (99.1%): Harmful if swallowed [Warning Acute toxicity, oral]
  • H314 (100%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
  • H318 (51.3%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H335 (38.1%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

  • P260, P261, P264, P264+P265, P270, P271, P280, P301+P317, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P319, P321, P330, P363, P403+P233, P405, and P501

Hazard Classes and Categories

  • Acute Tox. 4 (99.1%)
  • Skin Corr. 1C (100%)
  • Eye Dam. 1 (51.3%)
  • STOT SE 3 (38.1%)

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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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