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Key Documents

12766

Sigma-Aldrich

Benzopurpurine 4B

indicator (pH 2.3-4.4), for microscopy (Hist., Vit.)

Synonym(s):

Direct red 2

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About This Item

Empirical Formula (Hill Notation):
C34H26N6Na2O6S2
CAS Number:
Molecular Weight:
724.72
Colour Index Number:
23500
EC Number:
MDL number:
UNSPSC Code:
12171500

grade

for microscopy (Hist., Vit.)
indicator (pH 2.3-4.4)

suitability

suitable for microscopy

SMILES string

[Na+].[Na+].Cc1cc(ccc1\N=N\c2cc(c3ccccc3c2N)S([O-])(=O)=O)-c4ccc(\N=N\c5cc(c6ccccc6c5N)S([O-])(=O)=O)c(C)c4


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