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Merck

17779

2,3,5-Triphenyl-tetrazolium chloride solution

suitable for microbiology, Filter sterilized solution that is recommended for the detection of microbial growth based on reduction of TTC

Synonyme(s) :

TTC solution, TTC supplement, TTC solution, TTC supplement

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A propos de cet article

Formule empirique (notation de Hill) :
C19H15ClN4
Numéro CAS:
Poids moléculaire :
334.80
UNSPSC Code:
41171614
NACRES:
NA.85
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
3923356
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Quality Level

sterility

sterile (Filtered and Aseptic Handled)

form

liquid

shelf life

limited shelf life, expiry date on the label

mol wt

334.8 g/mol

application(s)

agriculture
environmental
food and beverages, microbiology

storage temp.

2-8°C

suitability

bacteria

SMILES string

[Cl-].c1ccc(cc1)-c2nn(-c3ccccc3)[n+](n2)-c4ccccc4

InChI

1S/C19H15N4.ClH/c1-4-10-16(11-5-1)19-20-22(17-12-6-2-7-13-17)23(21-19)18-14-8-3-9-15-18;/h1-15H;1H/q+1;/p-1

InChI key

PKDBCJSWQUOKDO-UHFFFAOYSA-M

General description

2,3,5-Triphenyl-tetrazolium chloride (TTC) is a dye largely used for the easy enumeration of microbial colonies in solid culture media. This dye is colorless in the oxidized form and changes to red when reduced by microorganisms, due to the formation of formazan. Live microorganisms, for example, E. coli and other coliforms reduce TTC by enzymatic action, forming red color formazan that is kept inside granules in the cells. TTC is highly recommended in testing pasteurized milk because there is a high percentage of microorganisms unable to reduce TTC in pasteurized milk, which cannot be detected by laboratory procedures. Higher concentrations of TTC may have an inhibitory effect on the growth of Gram-positive organisms.

Application

2,3,5-Triphenyl-tetrazolium chloride (TTC) solution is a redox indicator that can help indicate cellular respiration and identify viable and non-viable cells as well as identify microorganisms capable of reduction of TTC on solid culture media

Other Notes

(per vial)
2,3,5-Triphenyl tetrazolium chloride: 0.1 g, distilled water: 10 ml


Classe de stockage

10 - Combustible liquids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves



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Contenu apparenté


Linfeng Qian et al.
Aging, 11(15), 5368-5388 (2019-08-14)
This study is intended to figure out the function of microRNA-218 (miR-218) together with microphthalmia-associated transcription factor (MITF) on the cardiac fibrosis and cardiac function impairment in rat models of myocardial infarction (MI). The rats with MI exhibited cardiac function
Rutger H Stoffers et al.
Journal of cardiovascular magnetic resonance : official journal of the Society for Cardiovascular Magnetic Resonance, 19(1), 17-17 (2017-02-16)
The evolution of T1ρ and of other endogenous contrast methods (T2, T1) in the first month after reperfused myocardial infarction (MI) is uncertain. We conducted a study of reperfused MI in pigs to serially monitor T1ρ, T2 and T1 relaxation
Peipei Xu et al.
Frontiers in plant science, 10, 67-67 (2019-02-26)
Abscisic acid (ABA) has been implicated in plant adaptation to various environmental stresses in addition to the regulation of seed dormancy and leaf senescence. ABI3 is a B3 domain-containing family protein and functions in the ABA signaling pathway during seed