1.08380
2,3,5-Triphenyltetrazolium chloride
Color indicator. Supplement in culture media for the microbiological analysis of food and water samples
동의어(들):
2,3,5-Triphenyltetrazolium chloride, TTC, TT, TPTZ, TTZ, Tetrazolium Red
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크기 선택
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제품정보 (DICE 배송 시 비용 별도)
실험식(Hill 표기법):
C19H15ClN4
CAS 번호:
Molecular Weight:
334.80
NACRES:
NA.74
UNSPSC Code:
41106212
Beilstein/REAXYS Number:
3923356
MDL number:
Quality Segment
assay
≥98% (calculated on dried substance, perchloric acid titration)
form
solid
pH
3.7 (20 °C, 10 g/L in H2O)
mp
243 °C (decomposition)
solubility
150 g/L
bulk density
230 kg/m3
application(s)
microbiology
storage temp.
2-30°C
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-triphenyltetrazolium chloride (TTC) is a dye largely used for enumeration of microbial colonies in solid culture media, being a key component of the dry rehydratable film system used for microbiological analysis of food. This dye is colorless in the oxidized form and red when reduced by microorganisms, due to formation of formazan. Live microorganisms reduce TTC by enzymatic action, forming red color formazan that is kept inside granules in the cells.
Application
2,3,5-triphenyltetrazolium chloride (TTC) is an indicator recommended for the microbiological analysis of food.
Analysis Note
Assay (perchloric acid titration, calculated on dried substance): ≥ 98 %
Identity (UV/VIS-Spectrum): passes test
Absorption maximum λmax. (water): 245 - 248 nm
Spec. Absorptivity A 1%/1cm (λmax; 0,01 g/l; water; calculated on dried substance): ≥ 770
TLC-Test: passes test
Loss on drying (70 °C; ≤ 1 hPa): ≤ 0.5 %
Suitability for testing the germinability of seeds: passes test
Suitability for microbiology: passes test
Identity (UV/VIS-Spectrum): passes test
Absorption maximum λmax. (water): 245 - 248 nm
Spec. Absorptivity A 1%/1cm (λmax; 0,01 g/l; water; calculated on dried substance): ≥ 770
TLC-Test: passes test
Loss on drying (70 °C; ≤ 1 hPa): ≤ 0.5 %
Suitability for testing the germinability of seeds: passes test
Suitability for microbiology: passes test
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signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Sol. 1 - Skin Irrit. 2
저장 등급
4.1B - Flammable solid hazardous materials
wgk
WGK 3
시험 성적서(COA)
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