<生产厂家价格>

4-(2-吡啶偶氮)间苯二酚

4-(2-吡啶偶氮)间苯二酚用途

PAR 是一种偶氮染料,广泛用作金属离子的比色试剂。PAR 与不同的金属离子形成稳定的螯合物。PAR 还能在极性有机溶剂中与重金属离子络合,如乙醇。

4-(2-吡啶偶氮)间苯二酚名称

[ CAS 号 ]:
1141-59-9

[ 中文名 ]:
吡啶-(2-偶氮-4)间苯二酚

[ 英文名 ]:
4-(2-Pyridylazo)Resorcinol

[中文别名 ]:

[英文别名 ]:

PAR
4-(2'-PYRIDYLAZO)-RESORCINOL FOR SYNTHESIS
4-(2-pyridin-2-yldiazenyl)benzene-1,3-diol
4-(2-PYRIDYLAZO)-RESORCIN
4-[(E)-2-Pyridinyldiazenyl]-1,3-benzenediol
4-[(E)-Pyridin-2-yldiazenyl]benzene-1,3-diol
1,3-BENZENEDIOL,4-[2-(2-PYRIDINYL)DIAZENYL]-
4-(Pyridin-2-yldiazenyl)benzene-1,3-diol
4-(2-PYRIDYLAZO) RESORCINOL
ParIndicatorGr

4-(2-吡啶偶氮)间苯二酚生物活性

[ 描述 ]:

PAR 是一种偶氮染料,广泛用作金属离子的比色试剂。PAR 与不同的金属离子形成稳定的螯合物。PAR 还能在极性有机溶剂中与重金属离子络合,如乙醇。

[ 相关类别 ]:

研究领域 >> 其他

[参考文献]

[1]. Zhou X, et al. 4-(2-Pyridylazo)-resorcinol Functionalized Thermosensitive Ionic Microgels for Optical Detection of Heavy Metal Ions at Nanomolar Level. ACS Appl Mater Interfaces. 2015 Oct 7;7(39):21966-74.

4-(2-吡啶偶氮)间苯二酚物理化学性质

[ 密度 ]:
1.3±0.1 g/cm3

[ 沸点 ]:
438.2±20.0 °C at 760 mmHg

[ 熔点 ]:
192-202 °C(lit.)

[ 分子式 ]:
C₁₁H₉N₃O₂

[ 分子量 ]:
215.208

[ 闪点 ]:
218.8±21.8 °C

[ 精确质量 ]:
215.069473

[ PSA ]:
78.07000

[ LogP ]:
0.95

[ 外观性状 ]:
橙色粉末

[ 蒸汽压 ]:
0.0±1.1 mmHg at 25°C

[ 折射率 ]:
1.652

[ 储存条件 ]:
室温

4-(2-吡啶偶氮)间苯二酚MSDS

详细MSDS(安全技术说明书)

4-(2-吡啶偶氮)间苯二酚安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H315-H319-H335

[ 警示性声明 ]:
P261-P305 + P351 + P338

[ 个人防护装备 ]:
dust mask type N95 (US);Eyeshields;Gloves

[ 危害码 (欧洲) ]:
Xi

[ 风险声明 (欧洲) ]:
R36/37/38

[ 安全声明 (欧洲) ]:
S26-S36

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
3

[ 海关编码 ]:
2933399090

4-(2-吡啶偶氮)间苯二酚制备

1.将2-氨基吡啶用尽可能少的无水乙醇溶解后与亚硝酸异戊酯混合，然后加入由金属钠与无水乙醇反应得到的醇钠溶液，加热回流2～3h。反应结束后，用冰冷却。再加入间苯二酚的乙醇溶液，通入二氧化碳进行偶合反应，反应完毕后，滤出试剂的二钠盐粗品，用乙醚洗涤，真空干燥后用1∶ 1的乙醇 水溶液重结晶2次，即得纯试剂4-（2-吡啶偶氮）  间苯二酚。主要反应为：

4-(2-吡啶偶氮)间苯二酚海关

[ 海关编码 ]: 2933399090

[ 中文概述 ]:
2933399090. 其他结构含非稠合吡啶环的化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%

[ 申报要素 ]: 品名, 成分含量, 用途, 乌洛托品请注明外观, 6－己内酰胺请注明外观, 签约日期

[ Summary ]:
2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

4-(2-吡啶偶氮)间苯二酚文献

Selective Sensitization of Zinc Finger Protein Oxidation by Reactive Oxygen Species through Arsenic Binding.

J. Biol. Chem. 290 , 18361-9, (2015)

Cysteine oxidation induced by reactive oxygen species (ROS) on redox-sensitive targets such as zinc finger proteins plays a critical role in redox signaling and subsequent biological outcomes. We foun...

Oxidation of Zn(Cys)4 zinc finger peptides by O2 and H2O2: products, mechanism and kinetics.

Chemistry 17(49) , 13762-72, (2011)

The reactivity of a series of Zn(Cys)(4) zinc finger model peptides towards H(2)O(2) and O(2) has been investigated. The oxidation products were identified by HPLC and ESI-MS analysis. At pH<7.5, the ...

Unidirectional movement of cellulose synthase complexes in Arabidopsis seed coat epidermal cells deposit cellulose involved in mucilage extrusion, adherence, and ray formation.

Plant Physiol. 168 , 502-20, (2015)

Cellulose synthase5 (CESA5) synthesizes cellulose necessary for seed mucilage adherence to seed coat epidermal cells of Arabidopsis (Arabidopsis thaliana). The involvement of additional CESA proteins ...

更多文献