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1,1'-Bi-2-naphthol

1,1'-Bi-2-naphthol Structure
1,1'-Bi-2-naphthol
  • CAS No.602-09-5
  • Chemical Name:1,1'-Bi-2-naphthol
  • 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 dioxane: 50 mg/mL, clear
  • solubility Soluble in dioxane (50 mg/mL).
  • pka 8.29±0.50(Predicted)
  • form Powder
  • 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)
  • FDA UNII 25AB254328
  • NIST Chemistry Reference 1,1'-Bi-2-naphthol(602-09-5)
  • EPA Substance Registry System [1,1'-Binaphthalene]-2,2'-diol (602-09-5)
  • UNSPSC Code 12161600
  • NACRES NA.22
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
  • NFPA 704:
    1
    3 0
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordDanger
  • Hazard statements H301-H315-H319
  • Precautionary statements P301+P310+P330-P302+P352-P305+P351+P338
1,1'-Bi-2-naphthol Price More Price(7)
  • Brand: Sigma-Aldrich(India)
  • Product number: 104655
  • Product name : 1,1′-Bi-2-naphthol
  • Purity: 99%
  • Packaging: 5G
  • Price: ₹2619.65
  • Updated: 2022/06/14
  • Buy: Buy
  • Brand: Sigma-Aldrich(India)
  • Product number: 104655
  • Product name : 1,1′-Bi-2-naphthol
  • Purity: 99%
  • Packaging: 25G
  • Price: ₹7469.25
  • Updated: 2022/06/14
  • Buy: Buy
  • Brand: ALFA India
  • Product number: ALF-A11182-22
  • Product name : (+/-)-1,1'-Bi(2-naphthol), 99%
  • Purity: 
  • Packaging: 100g
  • Price: ₹28942
  • Updated: 2022/05/26
  • Buy: Buy
  • Brand: TCI Chemicals (India)
  • Product number: B0461
  • Product name : 1,1'-Bi-2-naphthol
  • Purity: min. 99.0 %
  • Packaging: 5G
  • Price: ₹2000
  • Updated: 2022/05/26
  • Buy: Buy
  • Brand: TCI Chemicals (India)
  • Product number: B0461
  • Product name : 1,1'-Bi-2-naphthol
  • Purity: min. 99.0 %
  • Packaging: 25G
  • Price: ₹5000
  • Updated: 2022/05/26
  • Buy: Buy

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
  • reaction suitability reagent type: ligand
  • 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
1,1'-Bi-2-naphthol Suppliers
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1,1'-Bi-2-naphthol Spectrum
602-09-5, 1,1'-Bi-2-naphtholRelated Search:
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  • -联-2-萘酚
  • (±)-1,1'-联-2-萘酚
  • 1,1''-联-2-萘酚
  • 1,1'-BI-2-萘酚/RAC-BINOL
  • 1,1'-双-2-萘酚
  • 2,2'-联萘酚(消旋)
  • DL联萘酚
  • (+/-)-1,1'-联(2-萘酚)
  • 联萘酚/消旋联萘酚
  • 2,2'-二羥-1,1'-聯萘
  • 联萘酚,1,1'-联-2-萘酚
  • (±)-1,1-联萘酚,99%
  • ()-1,1-联萘酚(R,S 混型)
  • (±)-1,1-联萘酚(2-8°C)
  • (-)-1,1'-联-2-萘酚/联二萘酚/BINOL
  • ( /-)-1,1'-联-2-萘酚
  • Β , Β'- 联萘酚
  • 1,1'-联-2,2'-萘酚
  • 1,1'-联-2-萘酚,(±)-1

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