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201898

Sigma-Aldrich

Direct yellow 50

Dye content 40 %

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About This Item

Empirical Formula (Hill Notation):
C35H24N6Na4O13S4
CAS Number:
3214-47-9
Molecular Weight:
956.82
Colour Index Number:
29025
EC Number:
221-728-7
MDL number:
MFCD00003997
UNSPSC Code:
12171500
PubChem Substance ID:
24852027

composition

Dye content, 40%

λmax

390 nm

SMILES string

[Na+].[Na+].[Na+].[Na+].Cc1cc(NC(=O)Nc2ccc(N=Nc3cc(c4cccc(c4c3)S([O-])(=O)=O)S([O-])(=O)=O)c(C)c2)ccc1N=Nc5cc(c6cccc(c6c5)S([O-])(=O)=O)S([O-])(=O)=O

InChI

1S/C35H28N6O13S4.4Na/c1-19-13-21(9-11-29(19)40-38-23-15-27-25(33(17-23)57(49,50)51)5-3-7-31(27)55(43,44)45)36-35(42)37-22-10-12-30(20(2)14-22)41-39-24-16-28-26(34(18-24)58(52,53)54)6-4-8-32(28)56(46,47)48;;;;/h3-18H,1-2H3,(H2,36,37,42)(H,43,44,45)(H,46,47,48)(H,49,50,51)(H,52,53,54);;;;/q;4*+1/p-4

InChI key

XRFRTDKENRGSSX-UHFFFAOYSA-J

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

201898-VAR:
201898-100G:
201898-25G:
201898-BULK:

Certificates of Analysis (COA)

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Xin-Lei Jia et al.
Plant reproduction, 34(2), 91-101 (2021-04-28)
The pollen coat, which forms on the pollen surface, consists of a lipid-protein matrix. It protects pollen from desiccation and is involved in adhesion, pollen-stigma recognition, and pollen hydration during interactions with the stigma. The classical methods used for pollen

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