OM2217 C545T Powder

Catalog No. OM2217
Purity >99% (sublimed)
CAS Number 155306-71-1
Appearance Yellow powder
Molecular Formula C26H26N2O2S
Synonyms 10-(2-Benzothiazolyl)-2,3,6,7-tetrahydro-1,1,7,7-t

SAM is a global manufacturer of precious metal catalysts. We offer high-quality C545T Powder. With our rich experience and knowledge in the OLED industry, you can be confident in making SAM your first choice.

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C545T Powder Description

C545T is commonly used for highly-efficient OLED devices as a green-emitting dopant and electron transport host material. With four methyl groups and enhanced solubility, Coumarin 545T is also used in laser dyes with increased laser conversion efficiencies at higher concentrations.

C545T Powder Specifications

CAS number


Chemical formula


Molecular weight

430.56 g/mol


λmax  473 nm (in THF)


λem 506 nm (in THF)


HOMO = 5.6 eV, LUMO = 3.0 eV [2]


228°C, Td ≥ 250 °C (5% weight loss)

C545T Powder Applications

- OLED green dopant and electron transport host material
- Laser dyes
- Laboratory research

Safety Information Applications

Personal protective equipment

Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter

WGK Germany





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