An acid-sensitive fluorescent probe
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Coumarin 6

Item No. 40214

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
3-(2-benzothiazolyl)-7-(diethylamino)-2H-1-benzopyran-2-one
CAS Number
38215-36-0
Synonyms
  • Coumarin 540
  • NK 1858
  • NSC 290432
Molecular Formula
C20H18N2O2S
Formula Weight
350.4
Purity
≥98%
Formulation (Request formulation change)
A solid
Solubility(Learn about Variance in Solubility)
Chloroform: Slightly SolubleDMSO: SolubleMethanol: Slightly Soluble
SMILES
O=C1C(C2=NC3=C(C=CC=C3)S2)=CC4=CC=C(C=C4O1)N(CC)CC
InChi Code
InChI=1S/C20H18N2O2S/c1-3-22(4-2)14-10-9-13-11-15(20(23)24-17(13)12-14)19-21-16-7-5-6-8-18(16)25-19/h5-12H,3-4H2,1-2H3
InChi Key
VBVAVBCYMYWNOU-UHFFFAOYSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    1 g

    $50

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    5 g

    $174

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    10 g

    $323

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    25 g

    $743

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    Product Description

    Coumarin 6 is an acid-sensitive fluorescent probe.1,2 Upon protonation, coumarin 6 displays a shift in emission maxima from 410 to 510 nm upon excitation at 157 nm.1 Coumarin 6 has been commonly used in photolithography.1,2

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Scaiano, J.C., Laferriere, M., and Ivan, M.G. A protocol for the verification of acid generation in 157 nm lithography. Macromolecules 36(18), 6692-6694 (2003).

    2. Frenette, M., Ivan, M.G., and Scaiano, J.C. Use of fluorescent probes to determine catalytic chain length in chemically amplified resists. Can. J. Chem. 83(6-7), 869-874 (2011).