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Merck

88461

Sigma-Aldrich

2,3-二氨基萘

BioReagent, suitable for fluorescence, ≥98.0% (HPLC)

别名:

萘-2,3-二胺, 2,3-萘, DAN

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25 MG
$118.00
100 MG
$175.00

About This Item

经验公式(希尔记法):
C10H10N2
CAS号:
分子量:
158.20
Beilstein:
2206394
EC號碼:
MDL號碼:
分類程式碼代碼:
12171500
PubChem物質ID:
NACRES:
NA.32

$118.00


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產品線

BioReagent

品質等級

化驗

≥98.0% (HPLC)

形狀

solid

mp

196-202 °C

螢光

λex 364 nm; λem 406 nm in 0.5 M Na carbonate pH 10.0 (after derivatization with NaNO2 in 0.1 M HCl)

適合性

suitable for fluorescence

SMILES 字串

Nc1cc2ccccc2cc1N

InChI

1S/C10H10N2/c11-9-5-7-3-1-2-4-8(7)6-10(9)12/h1-6H,11-12H2

InChI 密鑰

XTBLDMQMUSHDEN-UHFFFAOYSA-N

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相关类别

一般說明

2,3-二氨基萘,也称为 2,3 DAN,是一种芳香二氨基荧光化合物,旨在进行 DAN 测定。[1]2,3 DAN 与亚硝酸盐反应生成荧光产物 3-萘三唑(NAT),以荧光法测定。

應用

2,3-二氨基萘(DAN)适用于荧光光谱法测定牛奶和豆制品中的亚硝酸盐/硝酸盐。[2]

DAN 用于以荧光法测定生物材料中的硒。[3]

包裝

无底玻璃瓶。内含物在插入的融合锥体内。

分析報告

除了在406 nm处的发射最大值之外,在426、386和450 nm处还具有较低的最大值

象形圖

Exclamation mark

訊號詞

Warning

危險分類

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

標靶器官

Respiratory system

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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T S Koh et al.
Journal - Association of Official Analytical Chemists, 66(4), 918-926 (1983-07-01)
The reaction of 2,3-diaminonaphthalene (DAN) with Se(IV) to form a fluorescent Se-DAN complex is the basis of a fluorometric method for determination of Se. With the aid of metabolically incorporated 75Se the method was critically re-examined. The study showed that
Yanming Shen et al.
Analytical chemistry, 87(2), 1274-1280 (2014-12-19)
Nitrite is a heavily assayed substrate in the fields of food safety, water quality control, disease diagnosis, and forensic investigation and more recently in basic biological studies on nitric oxide physiology and pathology. The colorimetric Griess assay and the fluorimetric
Stefan Ehling et al.
Journal of AOAC International, 100(6), 1831-1835 (2017-07-02)
Nitrite (NO2-) is an inorganic anion that can be found in various powdered milk- and soy-based nutritional ingredients as an incidental contaminant. Reliable determination of NO2- in nutritional ingredients is of paramount importance to ensure the safety of finished products.
A M Serra et al.
Talanta, 81(1-2), 572-577 (2010-03-02)
In the present work, a solid phase extraction (SPE) is hyphenated with an automatic MSFIA system to improve the selenite determination based on the reaction of selenite with aromatic o-diamines (such as 2,3-diaminonaphthalene (DAN)) to form the piazselenol complex. This
Jinghe Yang et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 58(8), 1775-1778 (2002-08-09)
The molecular recognition properties of calixarenes to 2,3-diaminonaphthalene (DAN) were investigated. We found that the fluorescence emission of DAN has a blue shift after p-sulfonic sodium calix[4]arece (SSCA) was added to DAN. The proposed mechanism of the molecular recognition between

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一氧化氮 (NO) 是神经元、内皮细胞和免疫系统中的信号转运分子。

Nitric oxide (NO) as a signal transporter in neurons, endothelial cells and in the immune system.

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