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Merck
CN

199753

Toluidine Red

Dye content 70 %

Synonym(s):

Pigment Red 3

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About This Item

Empirical Formula (Hill Notation):
C17H13N3O3
CAS Number:
Molecular Weight:
307.30
PubChem Substance ID:
UNSPSC Code:
12171500
Colour Index Number:
12120
NACRES:
NA.47
EC Number:
219-372-2
MDL number:
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form

powder

composition

Dye content, 70%

mp

270-272 °C (lit.)

λmax

398 nm, 507 nm (2nd)

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

Cc1ccc(\N=N\c2c(O)ccc3ccccc23)c(c1)[N+]([O-])=O

InChI

1S/C17H13N3O3/c1-11-6-8-14(15(10-11)20(22)23)18-19-17-13-5-3-2-4-12(13)7-9-16(17)21/h2-10,21H,1H3/b19-18+

InChI key

ZLFVRXUOSPRRKQ-VHEBQXMUSA-N



pictograms

CorrosionEnvironment

signalword

Danger

hcodes

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves



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Ying Jiang et al.
Sexually transmitted diseases, 38(3), 244-245 (2010-09-28)
We retrospectively analyzed the Venereal Disease Research Laboratory test, Treponema pallidum particle agglutination test, and toluidine red unheated serum test (TRUST) in 41 cases of HIV-negative neurosyphilis and 34 non-neurologic syphilitic patient and found that serum-TRUST titers could be the
CI Pigment Red 3.
IARC monographs on the evaluation of carcinogenic risks to humans, 57, 259-267 (1993-01-01)
V Badireenath Konkimalla et al.
Expert review of anticancer therapy, 7(3), 317-329 (2007-03-07)
Oral squamous cell carcinoma ranks among the top ten most common cancers worldwide. Despite the success in diagnosis and therapy during the past 30 years, oral squamous cell carcinoma still belongs to the tumor types with a very unfavorable prognosis.



Global Trade Item Number

SKUGTIN
199753-25G04061838763396