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Organic Electronics and Photonics > Photonic and Optical Materials > Infrared (IR) Dyes
Organic Electronics and Photonics > Photonic and Optical Materials > Laser Dyes

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391212 (Sigma-Aldrich)

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391212

Sigma-Aldrich

2,4-Di-3-guaiazulenyl-1,3-dihydroxycyclobutenediylium dihydroxide bis(inner salt)

Dye content 99 %


CAS Number:	72939-79-8
Linear Formula:	C₃₄H₃₄O₂
Molecular Weight:	474.63
MDL number:	MFCD00192037
PubChem Substance ID:	24864367

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Description

Application	IR laser dye
Packaging	1 g in glass btl
	250 mg in glass btl

Properties

composition	Dye content, 99%
mp	252 °C (dec.)(lit.)
UV absorption	λ_max 768 nm

Safety

Personal Protective Equipment	Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
WGK Germany	3

References

reference

FT-IR 2 (3), 4208:B / RegBook 1 (2), 2837:M / Structure Index 1, 455:B:5

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