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Benzopurpurine 4B
(CAS RN:992-59-6 Product Number:B0781)


Benzopurpurine 4B
Synonym Direct Red 2

General Information

Product Number B0781

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Purity/Analysis Method
Storage Temperature
M.F. / M.W. C34H26N6Na2O6S2=724.72
CAS RN 992-59-6
Related CAS RN
MDL Number MFCD00012410
Packaging and Container
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Appearance Orange to Brown powder to crystal
Lambda max. 480.0 to 495.0 nm(pH 4.4 buffer sol.)
Absorbance min. 0.850(20mg/L, pH 4.4 buffer sol., 480.0 to 495.0 nm)(calcd.on dried substance)
Drying loss max. 10.0 %


Colour Index 23500
Beilstein 16,411
PubChem SID 87563776
Merck Index(14) 1101
RTECS# QK1765000
EC Number 213-594-3

Transport Information

HS Number 3204140000


PubMed Literature

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