产品名称
2,3,5-氯化三苯基四唑, Color indicator. Supplement in culture media for the microbiological analysis of food and water samples
SMILES string
[Cl-].c1ccc(cc1)-c2nn(-c3ccccc3)[n+](n2)-c4ccccc4
InChI key
PKDBCJSWQUOKDO-UHFFFAOYSA-M
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
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
Quality Level
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Analysis Note
含量测定(高氯酸滴定,以干燥物质计算): ≥ 98 %
鉴别(UV/VIS光谱):通过测试
最大吸光度 λmax.(水):245 - 248 nm
比吸光系数 A 1%/1cm(λ最大值;0,01 g/l;水;以干燥物质计算): ≥ 770
TLC-测试:通过测试
干燥失重(70 °C;≤ 1 hPa): ≤ 0.5 %
测试种子发芽能力的适用性:通过测试
微生物学的适用性:通过测试
鉴别(UV/VIS光谱):通过测试
最大吸光度 λmax.(水):245 - 248 nm
比吸光系数 A 1%/1cm(λ最大值;0,01 g/l;水;以干燥物质计算): ≥ 770
TLC-测试:通过测试
干燥失重(70 °C;≤ 1 hPa): ≤ 0.5 %
测试种子发芽能力的适用性:通过测试
微生物学的适用性:通过测试
Application
2,3,5-三苯基四唑氯化物(TTC)是推荐用于食品微生物分析的指示剂。
General description
2,3,5-三苯基四唑氯化物(TTC)是一种染料,主要用于计数固体培养培养基中的微生物菌落,是用于食品微生物分析的干燥可复水膜系统的关键组分。这种染料在氧化形式下是无色的,当被微生物还原时,由于形成了甲臜,因此是红色的。活的微生物通过酶促作用减少TTC,形成红色的甲臜,保留在细胞的颗粒内部。
signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Flam. Sol. 1 - Skin Irrit. 2
存储类别
4.1B - Flammable solid hazardous materials
wgk
WGK 3
Yu-Wen Hung et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 34(5), 6950-6964 (2020-04-05)
Dipeptidyl peptidase-4 inhibitors (or gliptins), a class of antidiabetic drugs, have recently been shown to have protective actions in the central nervous system. Their cellular and molecular mechanisms responsible for these effects are largely unknown. In the present study, two
Ilkin Yucel Sengun et al.
Food science and biotechnology, 29(3), 401-408 (2020-04-08)
In the present study, variety of fruit vinegars were investigated in terms of their physicochemical, microbiological and bioactive properties. Total phenolic and flavonoid contents were in the range of 933-1162 mg GAE/L and 66.64-470.86 mg/L in terms of catechin equivalents, respectively. During
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