1.11747
Sudan III, C.I. 26100
Synonym(s):
Sudan III, C.I. 26100, 1-(4-Phenylazophenylazo)-2-naphthol
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About This Item
Empirical Formula (Hill Notation):
C22H16N4O
CAS Number:
Molecular Weight:
352.39
UNSPSC Code:
12352104
EC Index Number:
201-638-4
NACRES:
NB.21
MDL number:
form
solid
Quality Segment
loss
≤2% loss on drying, 110°C
mp
199 °C (decomposition)
λmax
506-512 nm in toluene
storage temp.
2-30°C
SMILES string
N(\N=C3\c4c(cccc4)C=CC\3=O)c1ccc(cc1)N=Nc2ccccc2
InChI
1S/C22H16N4O/c27-21-15-10-16-6-4-5-9-20(16)22(21)26-25-19-13-11-18(12-14-19)24-23-17-7-2-1-3-8-17/h1-15,25H/b24-23?,26-22-
InChI key
HTPQPMPFXUWUOT-SRURNFRUSA-N
Application
Sudan III is a non-ionic fat-soluble dye (lysochrome) that belongs to the class of azo-dye. It is predominantly used for staining lipids, triglycerides, and intracellular lipoproteins. It is also used for coloring textiles, plastics wax, floor polish, varnish, spirit lacquers, externally applied drugs, cosmetics, and contact lenses.
Analysis Note
Identity (UV/VIS-Spectrum): passes test
Absorption maximum λmax. (toluene): 506 - 512 nm
Spec. Absorptivity A 1%/1cm (λmax.; 0.005 g/l; Toluol): ≥ 750
TLC-Test: passes test
Loss on drying (110 °C): ≤ 2 %
Absorption maximum λmax. (toluene): 506 - 512 nm
Spec. Absorptivity A 1%/1cm (λmax.; 0.005 g/l; Toluol): ≥ 750
TLC-Test: passes test
Loss on drying (110 °C): ≤ 2 %
signalword
Warning
hcodes
Hazard Classifications
Aquatic Chronic 4 - Carc. 2 - Muta. 2 - Skin Sens. 1
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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