Skip to Content
MilliporeSigma
All Photos(1)

Documents

B42004

Sigma-Aldrich

Methylthymol Blue sodium salt

Dye content 70 %

Synonym(s):

3,3′-Bis[N,N-di(carboxymethyl)aminomethyl]thymolsulfonephthalein sodium salt, MTB, Thymolsulfonphthalein-3′,3″-bis(methyliminodiacetic acid sodium salt)

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Linear Formula:
C37H40N2O13SNa4
CAS Number:
1945-77-3
Molecular Weight:
844.74
EC Number:
217-743-3
MDL number:
MFCD00148905
UNSPSC Code:
12171500
PubChem Substance ID:
24891759

composition

Dye content, 70%

λmax

438 nm

SMILES string

[Na+].[Na+].[Na+].[Na+].CC(C)c1cc(c(C)c(CN(CC([O-])=O)CC([O-])=O)c1O)C2(OS(=O)(=O)c3ccccc23)c4cc(C(C)C)c(O)c(CN(CC([O-])=O)CC([O-])=O)c4C

InChI

1S/C37H44N2O13S.4Na/c1-19(2)23-11-28(21(5)25(35(23)48)13-38(15-31(40)41)16-32(42)43)37(27-9-7-8-10-30(27)53(50,51)52-37)29-12-24(20(3)4)36(49)26(22(29)6)14-39(17-33(44)45)18-34(46)47;;;;/h7-12,19-20,48-49H,13-18H2,1-6H3,(H,40,41)(H,42,43)(H,44,45)(H,46,47);;;;/q;4*+1/p-4

InChI key

DIZZDZCUMBBRSG-UHFFFAOYSA-J

Looking for similar products? Visit Product Comparison Guide

General description

Methylthymol Blue sodium salt is mainly used for determining the calcium content in biological samples.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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

Zi Ye et al.
Microbiome, 6(1), 135-135 (2018-08-06)
Behcet's disease (BD) is a recalcitrant, multisystemic inflammatory disease that can lead to irreversible blindness. Microbial agents have been considered to contribute to the pathogenesis of this disease, but the underlying mechanisms remain unclear. In this study, we investigated the
Giulia Lombardi et al.
PloS one, 12(4), e0176186-e0176186 (2017-04-22)
Diagnosis of pulmonary (PTB) and extra-pulmonary tuberculosis (EPTB) in smear-negative patients can be difficult. We assessed retrospectively the performance of Xpert MTB/RIF system (Xpert, Cepheid) in diagnosing smear-negative tuberculosis (TB), which represents the most common form of TB in a
Rapid colorimetric determination of calcium in biologic fluids with methylthymol blue.
Gindler EM and King JD
American Journal of Clinical Pathology, 58, 376-382 (1972)
Rewa K Choudhary et al.
Journal of acquired immune deficiency syndromes (1999), 80(2), 174-181 (2018-11-07)
The blood monocyte-to-lymphocyte ratio (MLR) is associated with active tuberculosis (TB) in adults but has not been evaluated as a TB diagnostic biomarker in HIV-infected children in whom respiratory sampling is difficult. In a cohort of HIV-infected hospitalized Kenyan children
Albert Y H Lim et al.
BMC pulmonary medicine, 18(1), 85-85 (2018-05-24)
Non-tuberculous mycobacteria (NTM) infection is an increasing problem worldwide. The epidemiology of NTM in most Asian countries is unknown. This study investigated the epidemiology, and clinical profile of inpatients in whom NTM was isolated from various anatomical sites in a
View All Related Papers

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