1,1'-Bi-2-naphthol
- Product Name
- 1,1'-Bi-2-naphthol
- CAS No.
- 602-09-5
- Chemical Name
- 1,1'-Bi-2-naphthol
- Synonyms
- b-Binaphthol;(R,S)-BINOL;1,1'-BINAPHTHYL-2,2'-DIOL;2,2'-DIHYDROXY-1,1'-BINAPHTHYL;215-217oC;AKOS 90560;(+/-)-BINOL;DI-B-NAPHTHOL;BI-2-NAPHTHOL;AURORA KA-7212
- CBNumber
- CB0380425
- Molecular Formula
- C20H14O2
- Formula Weight
- 286.32
- MOL File
- 602-09-5.mol
1,1'-Bi-2-naphthol Property
- Melting point:
- 215-218 °C
- Boiling point:
- 388.69°C (rough estimate)
- Density
- 1g/cm
- refractive index
- 1.7580 (estimate)
- storage temp.
- Inert atmosphere,Room Temperature
- solubility
- Soluble in dioxane (50 mg/mL).
- solubility
- dioxane: 50 mg/mL, clear
- form
- Powder
- pka
- 8.29±0.50(Predicted)
- color
- White to beige
- Water Solubility
- insoluble
- Merck
- 14,1226
- BRN
- 997518
- InChIKey
- PPTXVXKCQZKFBN-UHFFFAOYSA-N
- CAS DataBase Reference
- 602-09-5(CAS DataBase Reference)
- NIST Chemistry Reference
- 1,1'-Bi-2-naphthol(602-09-5)
- EPA Substance Registry System
- [1,1'-Binaphthalene]-2,2'-diol (602-09-5)
Safety
- Hazard Codes
- T,Xi
- Risk Statements
- 25-36-36/37/38
- Safety Statements
- 26-45-37/39-36
- RIDADR
- UN 2811 6.1/PG 3
- WGK Germany
- 3
- RTECS
- DU3106100
- F
- 10
- TSCA
- Yes
- HazardClass
- 6.1
- PackingGroup
- III
- HS Code
- 29072900
- Toxicity
- LDLo orl-mus: 42 mg/kg AECTCV 14,111,85
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H301Toxic if swalloed
H315Causes skin irritation
H319Causes serious eye irritation
- Precautionary statements
-
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
- 104655
- Product name
- 1,1′-Bi-2-naphthol
- Purity
- 99%
- Packaging
- 5g
- Price
- $31.3
- Updated
- 2024/03/01
- Product number
- 104655
- Product name
- 1,1′-Bi-2-naphthol
- Purity
- 99%
- Packaging
- 25g
- Price
- $123
- Updated
- 2024/03/01
- Product number
- B0461
- Product name
- 1,1'-Bi-2-naphthol
- Purity
- >99.0%(GC)
- Packaging
- 5g
- Price
- $30
- Updated
- 2024/03/01
- Product number
- B0461
- Product name
- 1,1'-Bi-2-naphthol
- Purity
- >99.0%(GC)
- Packaging
- 25g
- Price
- $83
- Updated
- 2024/03/01
- Product number
- A11182
- Product name
- (±)-1,1'-Bi(2-naphthol), 99%
- Packaging
- 5g
- Price
- $38.65
- Updated
- 2024/03/01
1,1'-Bi-2-naphthol Chemical Properties,Usage,Production
Chemical Properties
1,1′-Bi-2-naphthol is a white to yellowish gray crystalline powder. It is known to be soluble in methanol. Store in a cool and dark place at ambient temperatures for best keeping.
Uses
(+/-)-1,1'-Bi(2-naphthol) acts as chiral separation agents. It is widely used in chiral liquid crystal,medicines,spices etc,.
Uses
Chiral ligand and auxiliary for asymmetric Michael addition reaction; enantioselective Diels-Alder reaction; alkynylation.
Uses
1,1'-Bi-2-naphthol is used as a chiral ligand in alkynylation, Diels-Alder and assymmetric Michael addition reactions.
Definition
ChEBI: (S)-(-)-1,1'-Bi-2-naphthol is a member of naphthols.
Synthesis Reference(s)
Tetrahedron, 48, p. 9483, 1992 DOI: 10.1016/S0040-4020(01)88316-2
Tetrahedron Letters, 24, p. 3261, 1983 DOI: 10.1016/S0040-4039(00)88151-4
Safety Profile
1,1'-Bi-2-naphthol is incompatible with oxidizing agents and should not be stored or handled near them. Poison by ingestion and causes skin irritation along with serious eye irritation. When heated to decomposition it emits acrid smoke and irritatingvapors.
Purification Methods
Crystallise the binaphthol from toluene or *benzene (10mL/g). When crystallised from chlorobenzene it has m 238o. Its solubility in dioxane is 5%. [Beilstein 6 IV 7020.]
1,1'-Bi-2-naphthol Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 1,1'-Bi-2-naphthol manufacturers
- Product
- 1,1'-Bi-2-naphthol 602-09-5
- Price
- US $12.00-130.00/g
- Min. Order
- 1g
- Purity
- 0.99
- Supply Ability
- 25kg
- Release date
- 2023-10-13
- Product
- 1,1'-Bi-2-naphthol 602-09-5
- Price
- US $10.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 10 mt
- Release date
- 2021-05-12
- Product
- 1,1'-Bi-2-naphthol 602-09-5
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 50000KG/month
- Release date
- 2023-09-01