shelf life
limited shelf life, expiry date on the label
Quality Segment
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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signalword
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


