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CS-W001157 4
Total: USD 88.00

3,4-Dichlorobenzoic acid

  • CAS No. 51-44-5

  • Cat. No. CS-W015855
  • Purity≥98%
  • MDL No.MFCD00002492
  • HazMat Fee +

    HazMat Fee

    An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it. There is a HazMat shipping fee for each item that qualifies as a dangerous good, except in the following scenarios:

    The shipment is processed through FedEx Ground under the Limited Quantity option.

    Each bottle is packed as an Excepted Quantity, with a maximum of 1g for items in class 6.1 packing group I or II, and up to 25g for all other hazardous materials.

    If shipping is charged to your FedEx account, the HazMat fee will be billed directly by the courier. Otherwise, the fee will be included on your invoice. To help you avoid the HazMat fee, we can package a 5g order of a class 6.1 packing group I or II material as five separate 1g units, and a 100g order of any other dangerous good as four 25g units. This packaging adjustment will be made unless you instruct otherwise on your purchase order. Below, you will find the fee schedule from FedEx for handling hazardous materials.

    Type
    HazMat Fee
    Excepted Quantity $0.00
    FedEx Limited Quantities Ground $0.00
    Hazmat Ground shipping $50.00+
    Inaccessible (Haz class 6.1 or 9), Domestic $68.00+
    Accessible (Haz class 3, 4, 5 or 8), Domestic $158.00+
    Inaccessible (Haz class 6.1 or 9), International $108.00+
    Accessible (Haz class 3, 4, 5 or 8), International $238.00+

    An item is classified as a dangerous good if our website displays Hazardous Material (HazMat) information for it.

    There is a HazMat shipping fee for each item that qualifies as a dangerous good. Please contact our quotation team via email to confirm the details.

*For research and further manufacturing use only, not for direct human use.

3,4-Dichlorobenzoic acid|CS-W015855

Structure of 51-44-5

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Description

3,4-Dichlorobenzoic acid was employed as internal standard during the multiresidue analysis of pharmaceuticals and personal care products by ultra performance liquid chromatography-positive/negative electrospray tandem mass spectrometry. It was used to study the metabolic fate of 4-chloro-3,5-dinitrobenzoic acid.

Application

3,4-Dichlorobenzoic acid serves as a versatile building block in medicinal chemistry and agrochemical synthesis, enabling efficient derivatization via esterification, amide formation, and Suzuki-Miyaura coupling. Its ortho-dichloro substitution pattern enhances metabolic stability and modulates electronic properties, while the carboxylic acid group offers straightforward purification and functionalization. Bench-stable and readily available, it functions reliably in standard synthetic workflows requiring halogenated aromatic scaffolds.

General Information

  • CAS No. 51-44-5
  • Cat. No. CS-W015855
  • Purity ≥98%
  • MDL No. MFCD00002492
  • Storage Store at room temperature
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₇H₄Cl₂O₂
  • Molecular Weight 191.01
  • Synonym(s) Benzoic acid, 3,4-dichloro-
  • SMILES C1=C(C=CC(=C1Cl)Cl)C(O)=O

Computational Chemistry Data

  • TPSA   37.3
  • LogP   2.6916
  • H_Acceptors   1
  • H_Donors   1
  • Rotatable_Bonds   1

Safety Information

Download SDS
GHS Pictogram :
GHS No : GHS07
Signal Word : Warning
UN#: N/A
Class : N/A
Packing Group : N/A
Hazard Statements : H315-H319-H335
Precautionary Statements : P261-P264-P271-P280-P302+P352-P304+P340-P362+P364-P405-P501

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