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Merck
CN

60983

Kovac 吲哚试剂

suitable for microbiology

别名:

对二甲氨基苯甲醛 溶液, 按照 Kovac 方法的吲哚试剂

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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:
分子量:
149.19
UNSPSC Code:
41171621
NACRES:
NA.85
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
4132845
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shelf life

limited shelf life, expiry date on the label

Quality Level

composition

n-butanol , 4-dimethylaminobenzaldehyde , hydrochloric acid

technique(s)

microbe id | specific enzyme detection: suitable

refractive index

n20/D 1.400-1.420

application(s)

agriculture
clinical testing
environmental
food and beverages, microbiology

storage temp.

2-8°C

suitability

Escherichia coli, coliforms

SMILES string

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

InChI

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

InChI key

BGNGWHSBYQYVRX-UHFFFAOYSA-N

General description

Kovac′s吲哚试剂是一种含有4-(二甲胺基)苯甲醛和盐酸的正丁醇溶液。

Application

Kovac′s吲哚试剂用于计数存储、解冻和熟肉饼等碎牛肉样本的大肠杆菌O157:H7。它还用于计数脱水黑水中的大肠杆菌

Biochem/physiol Actions

Kovac′s吲哚试剂用于检测吲哚并帮助鉴定吲哚阳性和吲哚阴性微生物。在色氨酸酶存在的情况下,大肠杆菌可以将色氨酸分解为吲哚和α丙氨酸。试剂中的p-氨基苯甲醛与吲哚发生反应,生成溶于酒精、乙醚和氯仿的樱桃红络合物。建议使用不含葡萄糖的培养基和色氨酸含量高的蛋白胨进行测试。


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Danger

Hazard Classifications

Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Met. Corr. 1 - Skin Irrit. 2 - STOT SE 3

target_organs

Central nervous system, Respiratory system

存储类别

3 - Flammable liquids

wgk

WGK 1

flash_point_f

96.8 °F

flash_point_c

36 °C

ppe

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

法规信息

危险化学品
易制毒化学品(3类)

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历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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商品

对于微生物学家而言,最基础的染色方法是由丹麦细菌学家Hans Christian Gram在1884年开发的。

还有许多其他检测方法来指示大肠杆菌的存在。查看这种污染物的常用检测方法和生化反应。

产气荚膜梭菌会导致未煮熟或未正确消毒的罐头食品和水受到污染。了解如何检测、鉴定和区分这种病原体。

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全球贸易项目编号

货号GTIN
60983-100ML04061838261502