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Merck
CN

67309

Kovac 吲哚试剂

suitable for microbiology

别名:

对二甲氨基苯甲醛 溶液

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关于此项目

经验公式（希尔记法）:
C9H11NO
化学文摘社编号:
100-10-7
分子量:
149.19
UNSPSC Code:
41171621
NACRES:
NA.85
PubChem Substance ID:
329760541
MDL number:
MFCD00003381
Beilstein/REAXYS Number:
4132845

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产品名称

Kovac 吲哚试剂, suitable for microbiology

InChI

1S/C9H11NO/c1-10(2)9-5-3-8(7-11)4-6-9/h3-7H,1-2H3

SMILES string

[H]C(=O)c1ccc(cc1)N(C)C

InChI key

BGNGWHSBYQYVRX-UHFFFAOYSA-N

agency

according to ISO 16654:2001

product line

BioChemika

shelf life

limited shelf life, expiry date on the label

composition

4-(dimethlyamino)benzaldehyde, 50 g/L
hydrochloric acid, 240 g/L
isoamylic alcohol, 710 g/L

technique(s)

microbe id | specific enzyme detection: suitable

application(s)

agriculture
clinical testing
environmental
food and beverages
microbiology

storage temp.

2-8°C

suitability

Escherichia coli
coliforms

Quality Level

200

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相关类别

Application

Kovac试剂可用于斑点实验，通过用试剂饱和滤纸来测定吲哚。它也可以用于初始斑点实验以测定吲哚，然后通过分光光度测定法和HPLC-UV/Vis-MS/MS方法进行定量。
在有氧的情况下，某些细菌（如大肠杆菌）能够将色氨酸分解为吲哚和α-氨基丙酸。该试剂可用于检测吲哚并鉴定吲哚阳性和吲哚阴性的微生物。

General description

通过混合对二甲氨基苯甲醛、异戊醇和浓盐酸，可以制备Kovac试剂。为了鉴定微生物，利用色氨酸底物生成吲哚是一种实用的诊断工具。吲哚产生是鉴定大肠杆菌的关键试验。孵育后，添加试剂将有助于确定是否已产生吲哚。当与吲哚反应时，试剂变红。

signalword

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Eye Dam. 1 - Flam. Liq. 3 - Met. Corr. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

存储类别

3 - Flammable liquids

wgk

WGK 3

flash_point_f

109.4 °F

flash_point_c

43 °C

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

法规信息

易制毒化学品（3类）
危险化学品
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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCN2957
BCCL5138
BCCK4337
BCCH8824
BCCG3914

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Rita R. Colwell, R. Grigorova
Methods in Microbiology, 19, 27-27 (1987)
S. Harisha
An Introduction to Practical Biotechnology, 193-193 (2005)
Patrick R Porubsky et al.
Archives of biochemistry and biophysics, 475(1), 14-17 (2008-04-22)
Cytochrome P450 2A13 (CYP2A13) is a lung specific enzyme known to activate the potent tobacco procarcinogen 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) into two carcinogenic metabolites. CYP2A13 has been crystallized and X-ray diffraction experiments illuminated the structure of this enzyme, but with an unknown
R W Trepeta et al.
Journal of clinical microbiology, 19(2), 172-174 (1984-02-01)
Escherichia coli is the most common gram-negative microbe isolated and identified in clinical microbiology laboratories. It can be identified within 1 h by oxidase, indole, lactose, and beta-glucuronidase tests. The oxidase and indole tests are performed as spot tests, and
Jun-Min Guo et al.
Journal of agricultural and food chemistry, 58(11), 6556-6561 (2010-05-15)
A simple colorimetric method for the differentiation of indoleacetic acid (IAA) and indolebutyric acid (IBA) in plant samples is described. The color change is based upon the reaction between the auxins and p-(dimethylamino)benzaldehyde (PDAB, Ehrlich reagent) following the electrophilic substitution
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