Factory Price 4, 5-Bis (diphenylphosphino) -9, 9-Dimethylxanthene CAS 161265-03-8
4, 5-Bis (diphenylphosphino) -9, 9-Dimethylxanthene CAS 161265-03-8 Supplier in China
Email: sophia@crovellbio.com
Whatsapp:+8619930503253
wickrme guanlangsophia
Hello everyone
I 'm sophia
My company is hebei Crovell biotech Co,.LTD , which is leading supplier of the CAS 161265-03-8 in China
Parcels will be no encounter customs issues such as Mexico ,Spain, UK, Netherlands, USA, Ireland, France, Germany, Brazil, Italy, and many European countries
WE HAVE SPECIAL SHIPPING WAY DDP delivery to your door ,safe and fast
Our products meet the USP BP standard and we have a certificate of conformity.
Specification
| ITEMS | SPECIFICATION | TESTRESULTS |
| Appearance | Off-white or white powder | Conforms |
| Identification | HPLC,NMR;LC-MS | Conforms |
| Related substances | Individual impurity≤0.5% | 0.09% |
| Total impurities≤1.0% | 0.20% |
| Loss on drying | ≤0.5% | 0.3% |
| Residue on ignition | ≤0.1% | 0.04% |
| Heavy metals | ≤10ppm | Conforms |
| Assay | ≥98.0 % | 99.1% |
Usage:
4,5-Bis(diphenylphosphino)-9,9-dimethylxanthene is an organophosphorus compound derived from the heterocycle xanthene. It is used as a bidentate ligand and is noteworthy for having a particularly wide bite angle. Such ligands are useful in the hydroformylation of alkenes.
CONTACT US IF YOU WANT TO KNOW MORE DETAILS ~
Whats app / wechat: +86 19930503253
[Storage] Stored in a clean, cool and dry area; keep away from strong, direct light.
[Shelf Life] 2 years when properly stored.
[Packing]
25kg drum
[Delivery] 5 working days after payment.
Shipping
1. Preferentially DHL or FedEx for quantity less than 50KG; Air shipping for 100KG above;
Sea shipping for quantity over 500KG.
2. For customers from Russia, Mexico, Turkey, Slovenia, Romania, etc, before placing an order,
please kindly confirm if you can make clearance when goods reach your customs.
Hebei Crovell Biotech Co,.LTD. is the leading manufacturer for cosmetic materials in China.
Which located in Shijiazhuang, Hebei Province.
We are specialized in pharmaceutical intermediates, veterinary drug intermediates and dyes intermediates,
After ten years development, Hebei Crovell Biotech Co,.LTD. has become a Diversified development company, not only involves in chemicals, but also real estate, clothes, agricultural products and so on.
So far, Hebei Crovell Biotech Co,.LTD. has business in more than 35 countries, most big customers come from Europe and America, because among the suppliers in China, Crovell can always make the product quality best, some of the products from Crovell can reach the purity of 99.9+, such as carbomer. This is the important reason for customers who choosing Crovell.
In future, Hebei Crovell Biotech Co,.LTD. must become to a more important trade bridge for China and foreign countries especially in pharmaceutical industries
6.FAQ
1. quality
our products meet msds safe standard and we have iso and other certificate so yan can get high quality products from our company.
2. price
we are the company which is the joint of trade and industry so we cao provide the competitive price and high quality product.
3.packing
we can do according to the customers' request.
4.transport
ems,dhl, tnt, ups ,fedex, by air, by sea
dhl express, fedex and ems for quantity less than 50kg, usually called as ddu service;
sea shipping for quantity over 500kg; and air shipping is available for 50kg above;
for high value products, please select air shipping and dhl express for safe;
5.service
we offer specialized logistic service including export declaration,customs clearance and every detail during shipment,this makes us able to offer you one-stop service from the order to the products transported to your hand.
we will try our best to satisfied you.
1. tailor-made for every customers.
2. third-party test for the products you demand.
3. test your counter-samples and produce them for you.
4. best discount for old customers.
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