2,5-Difluoro-4-iodoaniline
- Product Name
- 2,5-Difluoro-4-iodoaniline
- CAS No.
- 155906-13-1
- Chemical Name
- 2,5-Difluoro-4-iodoaniline
- Synonyms
- 2,5-Difluoro-4-iodoaniline;2,5-Difluoro-4-iodo-phenylamine;Benzenamine, 2,5-difluoro-4-iodo-
- CBNumber
- CB62743932
- Molecular Formula
- C6H4F2IN
- Formula Weight
- 255
- MOL File
- 155906-13-1.mol
2,5-Difluoro-4-iodoaniline Property
- storage temp.
- 2-8°C(protect from light)
- Appearance
- Yellow to brown Solid
Safety
- HS Code
- 2921420090
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H315Causes skin irritation
H320Causes eye irritation
H335May cause respiratory irritation
- Precautionary statements
-
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P302+P352IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
N-Bromosuccinimide Price
- Product number
- 1397AJ
- Product name
- 2,5-Difluoro-4-iodoaniline
- Packaging
- 1g
- Price
- $104
- Updated
- 2021/12/16
- Product number
- 3630-K-04
- Product name
- 2,5-Difluoro-4-iodoaniline
- Purity
- 96%
- Packaging
- 250mg
- Price
- $343
- Updated
- 2021/12/16
- Product number
- HCH0343971
- Product name
- 2,5-DIFLUORO-4-IODOANILINE
- Purity
- 95.00%
- Packaging
- 5MG
- Price
- $503.07
- Updated
- 2021/12/16
- Product number
- 3630-K-04
- Product name
- 2,5-Difluoro-4-iodoaniline
- Purity
- 96%
- Packaging
- 1g
- Price
- $655
- Updated
- 2021/12/16
- Product number
- 20R1241
- Product name
- 2,5-Difluoro-4-iodo-phenylamine
- Purity
- 96%
- Packaging
- 500mg
- Price
- $740
- Updated
- 2021/12/16
2,5-Difluoro-4-iodoaniline Chemical Properties,Usage,Production
Synthesis
367-30-6
155906-13-1
General procedure for the synthesis of 2,5-difluoro-4-iodoaniline from 2,5-difluoroaniline: 2,5-difluoroaniline (0.5 g, 3.9 mmol), NaHCO3 (0.8 g, 9.8 mmol), I2 (2.5 g, 9.8 mmol), and H2O (50 mL) were mixed and stirred at room temperature. After 2 h of reaction, Na2SO3 (1 g, 8 mmol) was added, followed by extraction of the reaction mixture with CH2Cl2 (2 × 50 mL). The organic layers were combined, washed with H2O (50 mL), dried (MgSO4) and purified by fast chromatography through an Al2O3 column. The solvent was evaporated under vacuum to give the brown solid product 2,5-difluoro-4-iodoaniline (0.9 g, 91% yield). The 1H and 13C NMR spectra of the product were consistent with literature data. IR spectra (KBr, cm-1 ): 3464, 3379, 3042, 2926, 2855, 1632, 1501, 1414, 1323, 1298, 1234, 1184, 1167, 864, 837, 795, 733, 596, 444.1H NMR (500.13 MHz, CDCl3): δ= 7.27 (dd, 1H, JH3,F2=9.9, JH3,F5=5.6 Hz, H3), 6.52 (d, 1H, JH6,F5=8.7, JH6,F2=7.7 Hz, H6), 3.91 (br s, 2H, NH2).13C NMR (125.76 MHz, CDCl3): δ=158.0 (d 1JC5,F5=239.1 Hz, C5), 147.4 (d, 1JC2,F2=239.6 Hz, C2), 135.7 (dd, 2JC1,F2=14.7, 3JC1,F5=10.6 Hz, C1), 123.8 (dd, 2JC3,F2=22.8, 3JC3,F5=3.5 Hz, C3). 102.7 (dd, 2JC6,F5=29.9, 3JC6,F2=3.7 Hz, C6), 62.8 (dd, 2JC4,F5=29.1, 3JC4,F2=8.1 Hz, C4).19F NMR (282.37 MHz, CDCl3): δ=-101.5 (dd, 1F, JF5,F2=13.4 JF5,H6=8.7, JF5,H3=5.6 Hz, F5), -140.0 (ddd, 1F, JF2,F5=13.4, JF2,H3=9.9, JF2,H6=7.7 Hz, F2). High-resolution mass spectrum (EI): m/z calculated value 254.9351 [M]+, measured value 254.9356.
References
[1] Journal of Fluorine Chemistry, 2016, vol. 188, p. 85 - 98
[2] Canadian Journal of Chemistry, 2000, vol. 78, # 8, p. 1081 - 1088
[3] Patent: US5356558, 1994, A
[4] Synthesis (Germany), 2018, vol. 50, # 3, p. 555 - 564
2,5-Difluoro-4-iodoaniline Preparation Products And Raw materials
Raw materials
Preparation Products
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