1,2-Benzenediamine, 4-iodo-
- CAS No.
- 21304-38-1
- Chemical Name:
- 1,2-Benzenediamine, 4-iodo-
- Synonyms
- 2-Amino-4-iodoaniline;2-Amino-5-iodoaniline;1,2-Diamino-4-iodobenzene;4-Iodo-1,2-diaminobenzene;2-Amino-4-iodophenylamine;4-Iodo-1,2-benzenediamine;4-Iodo-o-phenylenediamine;4-iodo-1,2-phenylenediaMine;1,2-Benzenediamine, 4-iodo-;4-Iodobenzene-1,2-diamine 97%
- CBNumber:
- CB0836614
- Molecular Formula:
- C6H7IN2
- Molecular Weight:
- 234.04
- MDL Number:
- MFCD08669466
- MOL File:
- 21304-38-1.mol
- MSDS File:
- SDS
| Melting point | 73-77℃ |
|---|---|
| Boiling point | 339.0±32.0 °C(Predicted) |
| Density | 2.016 |
| storage temp. | Keep in dark place,Inert atmosphere,Store in freezer, under -20°C |
| pka | 3.37±0.10(Predicted) |
| form | Solid |
| Appearance | Light brown to brown Solid |
| Water Solubility | Slightly soluble in water. |
| Sensitive | Light Sensitive |
| InChI | InChI=1S/C6H7IN2/c7-4-1-2-5(8)6(9)3-4/h1-3H,8-9H2 |
| InChIKey | FUOSRKZBOIVBOS-UHFFFAOYSA-N |
| SMILES | C1(N)=CC=C(I)C=C1N |
| CAS DataBase Reference | 21304-38-1 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H302-H312-H315-H319-H332-H335 | |||||||||
| Precautionary statements | P261-P280-P304+P340-P305+P351+P338-P405-P501a | |||||||||
| HazardClass | 6.1 | |||||||||
| HS Code | 2921599090 | |||||||||
| NFPA 704 |
|
1,2-Benzenediamine, 4-iodo- price More Price(55)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Apolloscientific | OR40649 | 4-Iodobenzene-1,2-diamine >99% | 21304-38-1 | 250mg | $21 | 2026-06-04 | Buy |
| Apolloscientific | OR40649 | 4-Iodobenzene-1,2-diamine >99% | 21304-38-1 | 1g | $24 | 2026-06-04 | Buy |
| Apolloscientific | OR40649 | 4-Iodobenzene-1,2-diamine >99% | 21304-38-1 | 5g | $49 | 2026-06-04 | Buy |
| Apolloscientific | OR40649 | 4-Iodobenzene-1,2-diamine >99% | 21304-38-1 | 25g | $210 | 2026-06-04 | Buy |
| Activate Scientific | AS44432 | 4-Iodobenzene-1,2-diamine 97% | 21304-38-1 | 1g | $28 | 2026-06-04 | Buy |
1,2-Benzenediamine, 4-iodo- Chemical Properties, Uses, Production
Uses
It is employed in the synthesis of N-(Benzimidazol-2-ylmethyl)iminodiacetic acids.
Synthesis
20691-72-9
21304-38-1
Using 4-iodo-2-nitroaniline as starting material, the reduction reaction was carried out by adding 5 equivalents of tin dichloride dihydrate to an ethanol solution and reacting at 75°C for 2 hours. Upon completion of the reaction, 4-iodo-1,2-benzenediamine was obtained in 92% yield and the product was a light red solid.
References
[1] Patent: WO2010/43711, 2010, A1. Location in patent: Page/Page column 56
[2] Journal of Medicinal Chemistry, 2011, vol. 54, # 19, p. 6714 - 6723
[3] Patent: US2012/46307, 2012, A1. Location in patent: Page/Page column 27
[4] Journal of Medicinal Chemistry, 2015, vol. 58, # 18, p. 7241 - 7257
[5] Patent: JP2016/79108, 2016, A. Location in patent: Paragraph 0051
1,2-Benzenediamine, 4-iodo- Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Shanghai potentpharm CO.,Ltd | 13524892556 | sales-cn@potentpharm.com | China | 1011 | 55 |
| Adamas Reagent, Ltd. | 400-6009262 15618770481 | yhx@titansci.com | China | 14098 | 59 |
| Shanghai Hanhong Scientific Co.,Ltd. | 021-54306202 13764082696 | info@hanhongsci.com | China | 42917 | 64 |
| Hangzhou Sage Chemical Co., Ltd. | +86057186818502 13588463833 | info@sagechem.com | China | 10265 | 58 |
| Shanghai Raise Chemical Technology Co.,Ltd | +86-021-50935922 | China | 7854 | 55 | |
| Bide Pharmatech Ltd. | 400-164-7117 18317119277 | product02@bidepharm.com | China | 40000 | 60 |
| Shanghai ACT chemical Limited | 021-59904146 18001826933 | sales@actchemical.com | China | 476 | 56 |
| Shanghai Xingui Biotechnology Co., Ltd. | 15121041756 | xingui2022@126.com | China | 9985 | 58 |
| Tianjin Anhao Biological Technology Co., Ltd. | sales@ahpharmatech.com | China | 5734 | 55 | |
| Shanghai Na Qian Chemical Technology Co. Ltd. | 13598610367 13598610367 | 2841375912@qq.com | China | 3575 | 52 |
View Latest Price from 1,2-Benzenediamine, 4-iodo- manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-09-08 | 1,2-BENZENEDIAMINE, 4-IODO
21304-38-1
|
10g | 97% | 1000 KG | Henan Alfa Chemical Co., Ltd | ||
 |
2020-01-09 | 1,2-BENZENEDIAMINE, 4-IODO-
21304-38-1
|
$1.00 | 1KG | 99% | 1000KG | Career Henan Chemical Co |
-
- 1,2-BENZENEDIAMINE, 4-IODO
21304-38-1
- 97%
- Henan Alfa Chemical Co., Ltd
-
- 1,2-BENZENEDIAMINE, 4-IODO-
21304-38-1
- $1.00
- 99%
- Career Henan Chemical Co
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