High Quality (R) - (+) -2, 2'-Bis (diphenylphosphino) -1, 1'-Binaphthyl 76189 -55-4

Model NO.
98%
Molecular Weight
622.7
Specific Rotation
+233°, (C=0.3 in Toluene)
Boiling Point
Na
Purity
98%
Molecular Formula
C44h32p2
CAS
76189-55-4
Transport Package
Foil Bag or Fluoride Bottle
Trademark
SWC
Origin
China
Production Capacity
20mts/Month
Reference Price
Please contact us for quote

Product Description

High Quality (R) - (+) -2, 2′-Bis (diphenylphosphino) -1, 1′-Binaphthyl 76189-55-4

Name:    (R)-BINAP;(R)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthalene
CAS:
76189-55-4
Purity:  98%
(R)-(+)-2,2'-Bis(diphenylphosphino)-1,1'-binaphthyl Chemical Properties
mp 
alpha  240 º (c=0.3, toluene)
refractive index  235 ° (C=0.3, Toluene)
storage temp.  Room temperature.
Water Solubility  insoluble
Sensitive  Air Sensitive
Merck  14,1223
BRN  4914063
CAS DataBase Reference 76189-55-4(CAS DataBase Reference)

Molecular Formula: C44H32P2
Molecular Weight : 622.7
Melting point: 239-241°C
Boiling point:  NA
Specific rotation:   +233°, (c=0.3 in toluene)


High Quality (R) - (+) -2, 2′-Bis (diphenylphosphino) -1, 1′-Binaphthyl 76189-55-4 High Quality (R) - (+) -2, 2′-Bis (diphenylphosphino) -1, 1′-Binaphthyl 76189-55-4 High Quality (R) - (+) -2, 2′-Bis (diphenylphosphino) -1, 1′-Binaphthyl 76189-55-4

Frequently Asked Questions

Q1: May I get one sample before placing order?

Re: Yes, Sample are available. For normal products, samples are for free and you just need to bear the freight; For those high value products, you just need to freight and certain product cost. When we both cooperate for some times or when you are our VIP customer, free sample will be offered when you need.

Q2: Which payment is available for your company?
Re: T/T, L/C. You can choose the one which is convenient for you. 


Q3: How and when can I get my goods after payment?
Re: For small quantity products, they will be delivered to you by international courier(DHL, FedEx, TNT etc.) or by air. Usually it will cost 3-5days that you can get the goods after delivery.For large quantity products,shipping by see is worthwhile.It will cost days to weeks to come to your destination port, which depends on where the port is.

Q4: Is there any possible to use my appointed label or package?
Re: Yes. If needed, we'd like to use label or package according to your requirement. 

Q5: How can you guarantee the goods you offer is qualified? 
Re: We always believe honesty and responsibility are basis of one company, so whatever products we provide for you all are qualified. We will have goods tested and provide COA before delivery for sure.