CAS No.74866-28-7,2,2'-DIBROMO-1,1'-BINAPHTHYL Suppliers

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Basic Information

Molecular Structure:
CAS No.:	74866-28-7
Name:	2,2'-DIBROMO-1,1'-BINAPHTHYL
Article Data:	16

Formula:	C₂₀H₁₂Br₂
Molecular Weight:	412.123
Synonyms:	(?à)-2,2'-Dibromo-1,1'-binaphthalene;2,2'-Dibromo-1,1'-binaphthalene;2,2'-Dibromo-1,1'-binaphthyl;1,1'-Binaphthyl,2,2'-dibromo- (6CI);
EINECS:	626-733-1
Density:	1.614 g/cm³
Melting Point:	178-183 °C
Boiling Point:	464.1 °C at 760 mmHg
Flash Point:	273.6 °C
Solubility:	Sparingly Soluble in water.
Hazard Symbols:	Xn
Risk Codes:	36/37/38-22
Safety:	26-36/37/39
PSA:	0.00000
LogP:	7.18500

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Specification

The 1,1'-Binaphthalene,2,2'-dibromo-, with the CAS registry number 74866-28-7, is also known as 2,2'-Dibromo[1,1']binaphthyl. It belongs to the product categories of Aryl; C13 to C37+; Halogenated Hydrocarbons. This chemical's molecular formula is C₂₀H₁₂Br₂ and molecular weight is 412.12. Its IUPAC name is called 2-bromo-1-(2-bromonaphthalen-1-yl)naphthalene. The product should be sealed and stored in cool and dry place. What's more, it should be protected from strong oxides.

Physical properties of 1,1'-Binaphthalene,2,2'-dibromo-: (1)ACD/LogP: 7.58; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 7.58; (4)ACD/LogD (pH 7.4): 7.58; (5)ACD/BCF (pH 5.5): 336845.69; (6)ACD/BCF (pH 7.4): 336845.69; (7)ACD/KOC (pH 5.5): 314853.41; (8)ACD/KOC (pH 7.4): 314853.41; (9)#Freely Rotating Bonds: 1; (10)Index of Refraction: 1.73; (11)Molar Refractivity: 101.91 cm³; (12)Molar Volume: 255.3 cm³; (13)Surface Tension: 53.1 dyne/cm; (14)Density: 1.614 g/cm³; (15)Flash Point: 273.6 °C; (16)Enthalpy of Vaporization: 69.76 kJ/mol; (17)Boiling Point: 464.1 °C at 760 mmHg; (18)Vapour Pressure: 2.39E-08 mmHg at 25°C.

Preparation of 1,1'-Binaphthalene,2,2'-dibromo-: this chemical can be prepared by 2-bromo-naphthalene. This reaction will need reagents lead tetraacetate and boron trifluoride diethyl etherate. The reaction time is 3 hours. The yield is about 55%.

1,1'-Binaphthalene,2,2'-dibromo- can be prepared by 2-bromo-naphthalene

Uses of 1,1'-Binaphthalene,2,2'-dibromo-: it can be used to produce 2,2'-dibromo-5,6,7,8,5',6',7',8'-octahydro-[1,1']binaphthalenyl at temperature of 150 °C. This reaction will need reagent H₂ and solvents ethanol, ethyl acetate with reaction time of 16 hours. The yield is about 86%.

1,1'-Binaphthalene,2,2'-dibromo- can be used to produce 2,2'-dibromo-5,6,7,8,5',6',7',8'-octahydro-[1,1']binaphthalenyl

When you are using this chemical, please be cautious about it as the following:
This chemical may cause damage to health. It is irritating to eyes, respiratory system and skin. In case of contact with eyes, you should rinse immediately with plenty of water and seek medical advice. Whenever you will contact it, please wear suitable protective clothing, gloves and eye/face protection.

You can still convert the following datas into molecular structure:
(1)Canonical SMILES: C1=CC=C2C(=C1)C=CC(=C2C3=C(C=CC4=CC=CC=C43)Br)Br
(2)InChI: InChI=1S/C20H12Br2/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
(3)InChIKey: IJUDEFZBMMRSNM-UHFFFAOYSA-N