Merck
CN

42085

Sigma-Aldrich

2,4-二硝基氟苯

purum p.a., ≥98.0% (GC)

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别名:
2,4-二硝基-1-氟苯, DNFB, DNPF, FDNB, 桑格试剂
线性分子式:
(O2N)2C6H3F
CAS号:
分子量:
186.10
Beilstein:
398632
EC 号:
MDL编号:
PubChem化学物质编号:
NACRES:
NA.22

等级

purum p.a.

质量水平

检测方案

≥98.0% (GC)

形式

liquid

折射率

n20/D 1.569 (lit.)

bp

178 °C/25 mmHg (lit.)

mp

25-27 °C (lit.)

密度

1.482 g/mL at 25 °C (lit.)

痕量阳离子

Ca: ≤50 mg/kg
Cd: ≤50 mg/kg
Co: ≤50 mg/kg
Cu: ≤50 mg/kg
Fe: ≤50 mg/kg
K: ≤100 mg/kg
Na: ≤100 mg/kg
Ni: ≤50 mg/kg
Pb: ≤50 mg/kg
Zn: ≤50 mg/kg

储存温度

2-8°C

SMILES string

[O-][N+](=O)c1ccc(F)c(c1)[N+]([O-])=O

InChI

1S/C6H3FN2O4/c7-5-2-1-4(8(10)11)3-6(5)9(12)13/h1-3H

InChI key

LOTKRQAVGJMPNV-UHFFFAOYSA-N

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此商品
D1529F7250237329
1-Fluoro-2,4-dinitrobenzene purum p.a., ≥98.0% (GC)

Sigma-Aldrich

42085

2,4-二硝基氟苯

1-Fluoro-2,4-dinitrobenzene ≥99%

Sigma-Aldrich

D1529

2,4-二硝基氟苯

1-Chloro-2,4-dinitrobenzene ≥99%

Sigma-Aldrich

237329

1-氯-2,4-二硝基苯

form

liquid

form

solid

form

powder

form

solid

refractive index

n20/D 1.569 (lit.)

refractive index

n20/D 1.569 (lit.)

refractive index

-

refractive index

-

bp

178 °C/25 mmHg (lit.)

bp

178 °C/25 mmHg (lit.)

bp

-

bp

315 °C (lit.)

mp

25-27 °C (lit.)

mp

25-27 °C (lit.)

mp

>360 °C (lit.)

mp

48-50 °C (lit.)

density

1.482 g/mL at 25 °C (lit.)

density

1.482 g/mL at 25 °C (lit.)

density

-

density

-

一般描述

1-氟-2,4-二硝基苯(FDNB,Sanger 试剂)用于鉴定氨基酸序列。这种化学物质用于标记蛋白质和多肽中的游离氨基。它也可用于保护胺基,并用于苯酚脱氧。此外,它在亲核取代反应中是一种非常有用的试剂,可引入胺、酚和硫醇的发色团。

应用

1-氟-2,4-二硝基苯用作衍生化剂:
  • 氨基糖苷类化合物,如阿米卡辛、妥布霉素、庆大霉素、西西霉素、奈胺、新霉素 B 和新霉素 C。
1-氟-2,4-二硝基苯也可用于:
  • 研究在几种表面活性剂存在下与硫醇反应的动力学分析和分析用途。

象形图

Exclamation markHealth hazard

警示用语:

Warning

危险分类

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 2 - STOT SE 3

靶器官

Respiratory system

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

327.2 °F

闪点(°C)

164 °C

个人防护装备

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

法规信息

危险化学品

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