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Merck
CN

P1378

Sigma-Aldrich

邻苯二甲醛

≥97% (HPLC), powder or crystals

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别名:
1,2-苯二甲醛, OPA, 邻苯二醛, 酞醛
经验公式(希尔记法):
C8H6O2
CAS号:
分子量:
134.13
Beilstein:
878317
EC 号:
MDL编号:
UNSPSC代码:
12352201
PubChem化学物质编号:
NACRES:
NA.21

质量水平

检测方案

≥97% (HPLC)

形式

powder or crystals

颜色

white to light yellow

mp

55-58 °C

储存温度

2-8°C

SMILES字符串

O=Cc1ccccc1C=O

InChI

1S/C8H6O2/c9-5-7-3-1-2-4-8(7)6-10/h1-6H

InChI key

ZWLUXSQADUDCSB-UHFFFAOYSA-N

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应用

苯二醛已用于:

  • 采用终点荧光敏感检测的分光光度法检测精氨酸
  • 试剂流与样品一起产生荧光产物,以测定海水中的氨含量
  • 邻苯二醛分光光度测定(OPA测试),以测定菌株和商用培养物的蛋白水解活性(PA)

生化/生理作用

邻苯二醛(OPA)可在与氨基酸反应时形成荧光衍生物。
苯二醛可用于高效液相色谱(HPLC)分离的氨基酸柱前衍生化。还可用于蛋白质巯基的流式细胞术测定。

警示用语:

Danger

危险分类

Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT SE 3

靶器官

Respiratory system

WGK

WGK 3

闪点(°F)

closed cup

闪点(°C)

closed cup

个人防护装备

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


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An overview is presented of HPLC methods currently in use to determine amino acids as their o-phthaldialdyde derivatives in the presence of various SH-group-containing additives. Crucial points that proved to influence the stability of the amino acid OPA derivatives have
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This study reports a selective and sensitive method for fluorescent detection of total, protein-bound, free, and free oxidized homocysteine (HCys) using tris(2-carboxyethyl)phosphine (TCEP) as a reducing agent, fluorosurfactant-capped gold nanoparticles (FSN-AuNP) as a preconcentrating probe, and o-phthaldialdehyde (OPA) as a
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