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Merck

233226

Sigma-Aldrich

2,4-二氟硝基苯

99%

别名:

2,4-二氟-1-硝基苯

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About This Item

线性分子式:
F2C6H3NO2
CAS号:
分子量:
159.09
EC號碼:
MDL號碼:
分類程式碼代碼:
12352100
PubChem物質ID:
NACRES:
NA.22

蒸汽密度

>1 (vs air)

化驗

99%

形狀

liquid

折射率

n20/D 1.511 (lit.)

bp

203-204 °C (lit.)

mp

9-10 °C (lit.)

密度

1.451 g/mL at 25 °C (lit.)

SMILES 字串

[O-][N+](=O)c1ccc(F)cc1F

InChI

1S/C6H3F2NO2/c7-4-1-2-6(9(10)11)5(8)3-4/h1-3H

InChI 密鑰

RJXOVESYJFXCGI-UHFFFAOYSA-N

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一般說明

已经使用带有模拟移动床(SMB)色谱模块的流动反应器研究了吗啉对 2,4-二氟硝基苯的亲核芳族取代

應用

2,4-二氟硝基苯已用于合成以下物质:
  • 通过磺化反应生成 2,4-二氟-5-硝基苯磺酸
  • (±)-茶碱
  • 树脂结合的 2-芳基氨基苯并咪唑

象形圖

Skull and crossbones

訊號詞

Danger

危險分類

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

標靶器官

Respiratory system

儲存類別代碼

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

水污染物質分類(WGK)

WGK 3

閃點(°F)

195.8 °F - closed cup

閃點(°C)

91 °C - closed cup

個人防護裝備

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


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A direct synthesis of 2-arylpropenoic acid esters having nitro groups in the aromatic ring: a short synthesis of (?)-coerulescine and (?)-horsfiline.
Selvakumar N, et al.
Tetrahedron Letters, 43(50), 9175-9178 (2002)
Alexander G O'Brien et al.
Angewandte Chemie (International ed. in English), 51(28), 7028-7030 (2012-06-08)
Continuous synthesis meets continuous purification to produce pure products from crude reaction mixtures. In the nucleophilic aromatic substitution of 2,4-difluoronitrobenzene with morpholine the desired monosubstituted product can be continuously separated from the byproducts in a purity of over 99 %
U M Kremer
Biological chemistry Hoppe-Seyler, 371(9), 861-864 (1990-09-01)
2,4-Difluoro-5-nitrobenzenesulfonic acid has been synthesized by the sulfonation of 2,4-difluoronitrobenzene, and precipitated with KCl as the potassium sulfonate. The structure was confirmed by chemical and spectroscopic methods (IR, 1H-NMR, 13C-NMR, 19F-NMR, UV, MS and ultimate organic analysis). Lysozyme was cross-linked
A solid phase traceless synthesis of 2-arylaminobenzimidazoles.
Krchnak V, et al.
Tetrahedron Letters, 42(9), 1627-1630 (2001)

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