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CS-W001157 4
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Di-n-butyl carbonate

  • CAS No. 542-52-9

  • Cat. No. CS-0030718
  • Purity≥98%
  • MDL No.MFCD00043938
  • HazMat Fee +

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    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.

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

Di-n-butyl carbonate|CS-0030718

Structure of 542-52-9

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Description

Di-n-butyl carbonate is a bench-stable, moisture-tolerant reagent that serves as a mild, selective carbonyl source in organic synthesis. Featuring two n-butyl ester groups, it facilitates efficient carbamate formation and C–O bond activation under standard conditions. This reagent integrates smoothly into iterative coupling sequences and offers improved handling over volatile or reactive alternatives.

Application

Di-n-butyl carbonate serves as a stable, bench-friendly carbonyl source for the selective protection of amines and alcohols under mild conditions. It facilitates efficient N- and O-carbamation reactions with high functional group tolerance, enabling straightforward purification via simple distillation or extraction. The resulting carbamates and carbonates are readily cleaved under physiological or acidic conditions, making it a practical reagent for intermediate synthesis in medicinal chemistry and process-scale applications.

General Information

  • CAS No. 542-52-9
  • Cat. No. CS-0030718
  • Purity ≥98%
  • MDL No. MFCD00043938
  • Storage Store at room temperature
  • Shipping Room temperature in continental US; may vary elsewhere.
  • Molecular Formula C₉H₁₈O₃
  • Molecular Weight 174.24
  • Synonym(s) Dibutyl carbonate; NSC 8462; n-Butyl carbonate; Carbonic acid, dibutyl ester
  • SMILES O=C(OCCCC)OCCCC

Computational Chemistry Data

  • TPSA   35.53
  • LogP   2.7398
  • H_Acceptors   3
  • H_Donors   0
  • Rotatable_Bonds   6

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-H412
Precautionary Statements : P264-P273-P280-P302+P352-P362+P364-P501

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