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(R)-(+)-2,2'-Diamino-1,1'-binaphthalene

CAS No.
18741-85-0
Chemical Name:
(R)-(+)-2,2'-Diamino-1,1'-binaphthalene
Synonyms
(R)-BINAM;(R)-[1,1'-Binaphthalene]-2,2'-diamine;R(+)-DABN;S(-)-DABN;2,2-DIAMINO-1,1'-BINAPHTHALENE;(R)-(+)-1,1'-BI(2-NAPHTHYLAMINE);(+)-1,1'-Binaphthyl-2,2'-diamine;(R)-(+)-2,2'-Diamino-1,1'-biphthyl;(aR)-2,2'-Diamino-1,1'-binaphthalene;(aR)-1,1'-Binaphthalene-2,2'-diamine
CBNumber:
CB0357339
Molecular Formula:
C20H16N2
Molecular Weight:
284.35
MDL Number:
MFCD00145204
MOL File:
18741-85-0.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-27 22:41:06

(R)-(+)-2,2'-Diamino-1,1'-binaphthalene Properties

Melting point 242-244 °C(lit.)
alpha 156 º (c=1, pyridine)
Boiling point 416.85°C (rough estimate)
Density 1.0447 (rough estimate)
refractive index 1.6450 (estimate)
storage temp. Keep in dark place,Sealed in dry,Room Temperature
solubility Chloroform (Slightly), DMSO (Slightly), Methanol (Slightly)
pka 3.79±0.10(Predicted)
form Powder
color slightly beige
optical activity [α]20/D +157°, c = 1 in pyridine
Water Solubility slightly soluble
BRN 5279621
InChI 1S/C20H16N2/c21-17-11-9-13-5-1-3-7-15(13)19(17)20-16-8-4-2-6-14(16)10-12-18(20)22/h1-12H,21-22H2
InChIKey DDAPSNKEOHDLKB-UHFFFAOYSA-N
SMILES Nc1ccc2ccccc2c1-c3c(N)ccc4ccccc34
CAS DataBase Reference 18741-85-0(CAS DataBase Reference)
FDA UNII XI03TW52AO
UNSPSC Code 12352005
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Exclamation Mark (GHS07)
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  Xn,Xi
Risk Statements  36/37/38
Safety Statements  26-39-37/39-36
WGK Germany  3
RTECS  DU3090000
10
HS Code  29215900
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3
NFPA 704
0
2 0

(R)-(+)-2,2'-Diamino-1,1'-binaphthalene price More Price(69)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 382426 (R)-(+)-1,1′-Binaphthyl-2,2′-diamine 99% 18741-85-0 1g $245 2026-04-30 Buy
TCI Chemical D3207 (R)-(+)-1,1'-Binaphthyl-2,2'-diamine >98.0%(HPLC)(T) 18741-85-0 200mg $41 2026-04-30 Buy
Strem Chemicals 07-0327 (R)-(+)-2,2'-Diamino-1,1'-binaphthyl, 99% 99% 18741-85-0 250mg $78 2026-04-30 Buy
Strem Chemicals 07-0327 (R)-(+)-2,2'-Diamino-1,1'-binaphthyl, 99% 99% 18741-85-0 1g $225 2026-04-30 Buy
TRC TRC-B387010-5G (R)-(+)-[1,1'-Binaphthalene]-2,2'-diamine 18741-85-0 5g $651 2026-06-03 Buy
Product number Packaging Price Buy
382426 1g $245 Buy
D3207 200mg $41 Buy
07-0327 250mg $78 Buy
07-0327 1g $225 Buy
TRC-B387010-5G 5g $651 Buy

(R)-(+)-2,2'-Diamino-1,1'-binaphthalene Chemical Properties, Uses, Production

Synthesis

(R)-(+)-2,2'-Diamino-1,1'-binaphthalene can be 1a , 2b, potassium carbonate, potassium iodide, dimethyl sulfoxide as a reaction solvent, then react with adding potassium hydroxide, and finally extract with ethyl acetate And get.
(R)-(+)-2,2'-Diamino-1,1'-binaphthalene

Physical properties

(R)-(+)-2,2'-Diamino-1,1'-binaphthalene is a off-white to brown powder.

Uses

(R)-(+)-1,1'-Bi(2-naphthylamine) derivatives have been used for asymmetric hydrogenations, cyclopropanations and formation of chiral lactones. It can be used for the synthesis of sterically hindered binaphthalene-based monophosphane ligands.

General Description

(R)-(+)-1,1′-Binaphthyl-2,2′-diamine is an axially dissymmetric binaphthyl ligand mainly used in enantioselective catalysis.

References

[1] Patent: CN107814729, 2018, A. Location in patent: Paragraph 0170-0173; 0254-0257
[2] Organic and Biomolecular Chemistry, 2016, vol. 14, # 38, p. 9021 - 9032

18531-94-7
18741-85-0
Synthesis of (R)-(+)-2,2'-Diamino-1,1'-binaphthalene from (R)-(+)-1,1'-Bi-2-naphthol

(R)-(+)-2,2'-Diamino-1,1'-binaphthalene Preparation Products And Raw materials

Global Suppliers ( 186)
Supplier Tel Email Country ProdList Advantage
Daicel Chiral Technologies (China)CO.,LTD 021-50460086-9 15921403865 han_yajun@dctc.daicel.com China 7909 65
Zhengzhou HQ Material Co., Ltd. +86-0371-67759225 13526468238 3165471285@qq.com China 342 55
Chengdu Forest Science and Technology Development Co., Ltd. 18030648795 18030648795 sales@cdforestchem.com China 1997 58
Xinxiang Runyu Material Co., Ltd. 166-166-37336996 15690792173 chenxi.song@runvmat.com China 282 55
Sigma-Aldrich 021-61415566 800-8193336 orderCN@merckgroup.com China 51389 80
Shanghai Boyle Chemical Co., Ltd. sales@boylechem.com China 2915 55
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. 4006356688 18621169109 market03@meryer.com China 40202 62
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61

View Latest Price from (R)-(+)-2,2'-Diamino-1,1'-binaphthalene manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
(R)-(+)-1,1'-Bi(2-naphthylamine) pictures 2026-09-17 (R)-(+)-1,1'-Bi(2-naphthylamine)
18741-85-0
$86.00-296.00 5g 0.97 25kg Shanghai UCHEM Inc.
(R)-(+)-2,2'-Diamino-1,1'-binaphthalene pictures 2026-08-25 (R)-(+)-2,2'-Diamino-1,1'-binaphthalene
18741-85-0
$2.00-5.00 1kg 99% 100kg ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
(R)-(+)-1,1'-binaphthyl-2,2'-diamine pictures 2025-12-23 (R)-(+)-1,1'-binaphthyl-2,2'-diamine
18741-85-0
1KG 0.99 500kg XINXIANG RUNYU MATERIAL CO., LTD.
(R)-(+)-1,1''-BINAPHTHALENE-2,2''-DIAMINE (R-BINAM) ((R)-(+) -2,2''-DIAMINO-1''1-BINAPHTHYL) (R)-(+)-1,1μ-Binaphthalene-2,2μ-diamine, (R)-(+)-2,2μ-Diamino-1,1μ-binaphthalene, (R)-(+)-DABN (R)-(+)-1,1μ-Bi(2-naphthylamine), (R)-(+)-1,1μ-Binaphthalene-2,2μ-diamine, (R)-(+)-2,2μ-Diamino-1,1μ-binaphthalene, (R)-(+)-DABN (aR)-1,1'-Binaphthalene-2,2'-diamine (aR)-2,2'-Diamino-1,1'-binaphthalene [aR,(+)]-1,1'-Binaphthalene-2,2'-diamine (R)-(+)-1,1'-BINAPHTHYL-2,2'-DIAMINE, 99 % (99% EE/GLC) (R)-(+)-2,2'-Diamino-1,1'-binaphthyl,99% (R)-(+)-2,2'-Diamino-1,1'-binaphthalene,99% (R)-(+)-1,1'-Binaphthyl-2,2'-diamine (R)-(+)-1,1'-Binaphthyl-2,2'-diamine 99% (R)-(+)-1,1′-Binaphthyl-2,2′-diamine, >=98% (R)-[1,1'-Binaphthalene]-2,2'-diamine,99%e.e. (+/-)-2,2'-DIAMINO-1,1'-BINAPHTHALENE 2,2-DIAMINO-1,1'-BINAPHTHALENE R(+)-DABN (S)-(-)-2,2'-DIAMINO-1,1'-BINAPHTHYL S(-)-1,1'-BINAPHTHALENE-2,2'-DIAMINE S(-)-DABN (R)-(+)-1,1'-BI(2-NAPHTHYLAMINE) R(+)-1,1'-BINAPHTHALENE-2,2'-DIAMINE RACEMIC-2,2'-DIAMINO-1,1'-BINAPHTHYL (R)-(+)-2,2'-DIAMINO-1,1-BINAPHTHALENE (R)-(+)-2,2-DIAMINO-1,1'-BINAPHTHALENE R-(+)-2,2'-DIAMINO-1,1'-BINAPHTHALENE (+/-)-1,1'-BINAPHTHALENE-2,2'-DIAMINE [1,1'-Binaphthalene]-2,2'-diamine, (1R)- 1-(2-aminonaphthalen-1-yl)naphthalen-2-amine (R)-(+)-2,2'-Diamino-1,1'-binaphthyl,99%,99%ee (R)-[1,1'-Binaphthalene]-2,2'-diamine [(R)-Binam] (+)-1,1'-Binaphthyl-2,2'-diamine (R)-(+)-2,2′-Diamino-1,1′-binaphthalene((R)-Binam) (R)-(+)-2,2'-Diamino-1,1'-binaphthalene (R)-(+)-1,1'-binaphthyl-2,2'-diamine (R)-[1,1'-Binaphthalene]-2,2'-diamine [(R)-Binam (R)-(+)-2,2'-Diamino-1,1'-binaphthyl (R)-(+)-1,1′-Bi(2-naphthylamine), CAS 18741-85-0 (R)-(+)-2,2'-DIAMINO-1,1'-BINAPHTHALENE 99% (R)-(+)-2,2'-Diamino-1,1'-biphthyl (R)-[1,1'-Binaphthalene]-2,2'-diamine (R)-BINAM 18741-85-0 Asymmetric Synthesis Polyamines Other Chiral Ligands Organic Building Blocks Nitrogen Compounds Chiral Catalysts, Ligands, and Reagents Building Blocks BINAM Series Achiral Nitrogen