425281
Sigma-Aldrich

1,3-Bis[4-(dimethylamino)-2-hydroxyphenyl]-2,4-dihydroxycyclobutenediylium dihydroxide, bis(inner salt)

Dye content 97 %

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Synonym

OH-SQ

Molecular Formula

C₂₀H₂₀N₂O₄

Molecular Weight

352.38

CAS Number

63842-83-1

MDL number

MFCD00191804

PubChem Substance ID

24866624

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Descriptions

Packaging

5 g in glass btl

Properties

composition

Dye content, 97%

>300 °C(lit.)

UV absorption

λ_max 638 nm

References

reference

Structure Index 1, 455:A:6

Safety

Hazard Codes

Risk Statements

36/37/38

Safety Statements

26-36

WGK Germany

Related Categories

... Photonic and Optical Materials > Infrared (IR) Dyes

... Photonic and Optical Materials > Laser Dyes

MSDS

Specification Sheet

Certificate of Analysis

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425281 (Sigma-Aldrich)