(1R,2R)-(+)-1,2-Diphenylethylenediamine
- CAS No.
- 35132-20-8
- Chemical Name:
- (1R,2R)-(+)-1,2-Diphenylethylenediamine
- Synonyms
- (1R,2R)-1,2-diphenylethane-1,2-diamine;(1R,2R)-1,2-DIPHENYLETHYLENEDIAMINE;R-DPEN;(1R,2R)-1,2-DIPHENYL-1,2-ETHANEDIAMINE;(1R,2R)-(+)-1,2-Diph;(1R,2R)-(+)-1,2-DiphenyL;(1R,2R)-1,2-Diphenyldiamine;(αS,βS)-Bibenzyl-α,β-diamine;(1S,2S)-(+)-1,2-Diphenylethane;(+)-1,2-Diphenylethylenediamine
- CBNumber:
- CB4727536
- Molecular Formula:
- C14H16N2
- Molecular Weight:
- 212.29
- MDL Number:
- MFCD00082769
- MOL File:
- 35132-20-8.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Product description | Number | Pack Size | Price |
| (1R,2R)-(+)-1,2-Diphenylethylenediamine 97% | 364010 | 500mg | $70.8 |
| (1R,2R)-(+)-1,2-Diphenylethylenediamine 97% | 364010 | 1g | $119 |
| (1R,2R)-(+)-1,2-Diphenylethylenediamine >98.0%(GC)(T) | D2176 | 1g | $32 |
| (1R,2R)-(+)-1,2-Diphenylethylenediamine >98.0%(GC)(T) | D2176 | 5g | $122 |
| (1R,2R)-(+)-1,2-Diphenylethylenediamine, min. 97% (R,R)-DPEN min.97% | 07-0474 | 500mg | $55 |
| More product size | |||
| Melting point | 79-83 °C(lit.) |
|---|---|
| alpha | 104 º (c=1.1, MeOH 25 ºC) |
| Boiling point | 342.14°C (rough estimate) |
| Density | 1.0799 (rough estimate) |
| refractive index | 103 ° (C=1, EtOH) |
| storage temp. | Keep in dark place,Inert atmosphere,Room temperature |
| solubility | Chloroform (Slightly), Methanol (Slightly) |
| form | Crystalline Powder |
| pka | 9.78±0.10(Predicted) |
| color | White to light yellow |
| optical activity | [α]20/D +102°, c = 1 in ethanol |
| Water Solubility | Insoluble in water. |
| Sensitive | Air Sensitive |
| BRN | 2369988 |
| Stability | Hygroscopic |
| InChI | 1S/C14H16N2/c15-13(11-7-3-1-4-8-11)14(16)12-9-5-2-6-10-12/h1-10,13-14H,15-16H2/t13-,14-/m1/s1 |
| InChIKey | PONXTPCRRASWKW-ZIAGYGMSSA-N |
| SMILES | N[C@@H]([C@H](N)c1ccccc1)c2ccccc2 |
| CAS DataBase Reference | 35132-20-8(CAS DataBase Reference) |
| FDA UNII | JZ5DV7MKY6 |
| UNSPSC Code | 12352116 |
| NACRES | NA.22 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) | ![]() GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H315-H319-H335 | |||||||||
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 | |||||||||
| target organs | Respiratory system | |||||||||
| PPE | dust mask type N95 (US), Eyeshields, Gloves | |||||||||
| Hazard Codes | Xi,C | |||||||||
| Risk Statements | 36/37/38 | |||||||||
| Safety Statements | 26-36 | |||||||||
| WGK Germany | 3 | |||||||||
| F | 10-23 | |||||||||
| HazardClass | 8 | |||||||||
| HS Code | 29212900 | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| Hazard Classifications | Eye Irrit. 2 Skin Irrit. 2 STOT SE 3 |
|||||||||
| NFPA 704 |
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(1R,2R)-(+)-1,2-Diphenylethylenediamine price More Price(84)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 364010 | (1R,2R)-(+)-1,2-Diphenylethylenediamine 97% | 35132-20-8 | 500mg | $70.8 | 2026-04-30 | Buy |
| Sigma-Aldrich | 364010 | (1R,2R)-(+)-1,2-Diphenylethylenediamine 97% | 35132-20-8 | 1g | $119 | 2026-04-30 | Buy |
| TCI Chemical | D2176 | (1R,2R)-(+)-1,2-Diphenylethylenediamine >98.0%(GC)(T) | 35132-20-8 | 1g | $32 | 2026-04-30 | Buy |
| TCI Chemical | D2176 | (1R,2R)-(+)-1,2-Diphenylethylenediamine >98.0%(GC)(T) | 35132-20-8 | 5g | $122 | 2026-04-30 | Buy |
| Strem Chemicals | 07-0474 | (1R,2R)-(+)-1,2-Diphenylethylenediamine, min. 97% (R,R)-DPEN min.97% | 35132-20-8 | 500mg | $55 | 2026-04-30 | Buy |
(1R,2R)-(+)-1,2-Diphenylethylenediamine Chemical Properties,Uses,Production
Description
(1R,2R)-(+)-1,2-Diphenylethylenediamine is a chiral reagent widely used in the chemical industry at present, used for asymmetric synthesis and optical resolution.
Chemical Properties
white to light yellow crystal powder
Uses
(1R,2R)-(+)-1,2-Diphenyl-1,2-ethanediamine is used as chiral solvation agent for determination of enantiomeric excess of chiral acids by NMR. It is used in various catalyst systems for asymmetric reactions.
Synthesis
Add 1,2-diphenylethanedione dioxime (48g, 0.20mol) and 260ml methanol in a 500ml four-necked flask equipped with a condenser, stir to dissolve all of them, and then add 2g of activated charcoal (120 mesh), 0.5g of Raney's nickel, raise the temperature to 60 , and then add 80% hydrazine hydrate (28.75g, 0.46mol) slowly dropwise, and keep the temperature of the reaction between 58 -62 , there is nitrogen emission during the reaction, and the rate of dropwise acceleration is controlled to keep the nitrogen emission rate not too fast, and liquid chromatography tracks the reaction process. -62 , the reaction process has nitrogen release, drop acceleration control in the nitrogen release rate is not too fast as well, liquid chromatography to track the reaction process, when the raw material 1,2-diphenylethanedione dioxime disappeared after the end of the reaction, cooling the mixture, filtration of Ranieri nickel and activated carbon, to a small amount of water covered with a preserved in order to prepare for sets of use, the filtrate distillation to recover the methanol, and the residue added to 200 ml of petroleum ether heated to make all dissolved, cooled for 24 hours and filtered to get the product The residue was heated by adding 200 ml of petroleum ether to dissolve all of it, then cooled and filtered for 24 hours to obtain the product (1R,2R)-1,2-diphenylethylenediamine 41.55g, yield 98%, chemical purity 99.57%.
(1R,2R)-(+)-1,2-Diphenylethylenediamine Preparation Products And Raw materials
Raw materials
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Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Shanghai UCHEM Inc. | +86-18930848214 +86-021-56762820 | sales@myuchem.com | China | 8898 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-029-81138252 +86-173 9270 1263 | 1057@dideu.com | China | 3961 | 58 |
| Capot Chemical Co.,Ltd. | +86-(0)57185586718 +86-13336195806 | sales@capot.com | China | 29626 | 60 |
| Shanghai Daken Advanced Materials Co.,Ltd | +86-2158073036 | info@dakenam.com | China | 14036 | 58 |
| Henan Tianfu Chemical Co.,Ltd. | +86-0371-55170693 +86-19937530512 | info@tianfuchem.com | China | 21533 | 55 |
| Fluoropharm Co., Ltd. | +86-0571-85586753 +86-13336034509 | sales@fluoropharm.com | China | 1444 | 60 |
| career henan chemical co | +86-0371-86658258 | sales@coreychem.com | China | 29766 | 58 |
| Changzhou Ditong Chemical Co.,Ltd | +86-0519-88298848 | info@edengenechem.com | China | 2163 | 58 |
| CONIER CHEM AND PHARMA LIMITED | sales@conier.com | China | 49906 | 58 | |
| SIMAGCHEM CORP | +86-5922680277 +86-13806087780 | sale@simagchem.com | China | 17339 | 58 |
View Lastest Price from (1R,2R)-(+)-1,2-Diphenylethylenediamine manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
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2026-08-19 | (1R,2R)-(+)-1,2-Diphenylethylenediamine
35132-20-8
|
$11.00-193.00 | 1g | 0.98 | 25kg | Shanghai UCHEM Inc. | |
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2025-06-27 | (1R,2R)-(+)-1,2-Diphenylethylenediamine
35132-20-8
|
1KG | 99% | 500000kg | Hebei Chuanghai Biotechnology Co., Ltd | ||
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2025-04-04 | (1R,2R)-(+)-1,2-Diphenylethylenediamine
35132-20-8
|
1kg | 98% | 1Ton | Henan Aochuang Chemical Co.,Ltd. |
-

- (1R,2R)-(+)-1,2-Diphenylethylenediamine
35132-20-8
- $11.00-193.00
- 0.98
- Shanghai UCHEM Inc.
-

- (1R,2R)-(+)-1,2-Diphenylethylenediamine
35132-20-8
- 99%
- Hebei Chuanghai Biotechnology Co., Ltd
-

- (1R,2R)-(+)-1,2-Diphenylethylenediamine
35132-20-8
- 98%
- Henan Aochuang Chemical Co.,Ltd.
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