Skip to Content
MilliporeSigma
All Photos(1)

Documents

511056

Sigma-Aldrich

Acid Red 37 diammonium salt form

Dye content 70 %

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C18H22N6O8S2
CAS Number:
Molecular Weight:
514.53
Colour Index Number:
17045
UNSPSC Code:
12171500
PubChem Substance ID:

composition

Dye content, 70%

mp

>300 °C (lit.)

λmax

513 nm

λ

H2O reference

UV absorption

λ: 513 nm Amax: 0.00

SMILES string

N.N.CC(=O)Nc1ccc(\N=N\c2c(N)ccc3cc(cc(O)c23)S(O)(=O)=O)c(c1)S(O)(=O)=O

InChI

1S/C18H16N4O8S2.2H3N/c1-9(23)20-11-3-5-14(16(7-11)32(28,29)30)21-22-18-13(19)4-2-10-6-12(31(25,26)27)8-15(24)17(10)18;;/h2-8,24H,19H2,1H3,(H,20,23)(H,25,26,27)(H,28,29,30);2*1H3/b22-21+;;

InChI key

OFRRHUJAJNSLAT-ZPZFBZIMSA-N

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service