Top Quality p-Toluenesulfonyl Isocyanate CAS 4083-64-1
CAS 4083-64-1 Supplier in China
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Product Name: p-Toluenesulfonyl IsocyanateCAS No.: 4083-64-1
Molecular Fomula: C8H7NO3S
EINECS No.: 223-810-8
Molecular weight: 197.21
Appearance: Colorless
Assay: 99%min
It is a reagent used to prepare acetylated syn-1,2-diols,oxazolidin-2-ones, 2,3-diamino acids, and N-tosylcarbonamides. -Toluenesulfonyl isocyanate has been used as derivatization reagent in determination of 3-α-hydroxy tibolone in human plasma by LC-MS/MS. It is also employed in the derivatization reagent in simultaneous quantitative analysis of diethylene glycol and propylene glycol in pharmaceutical products by HPLC and as reagent in the preparation of acetylated syn-1,2-diols, oxazolidin-2-ones, 2,3-diamino acids and N-tosylcarbonamides.
Item | Specifications | Results |
Assay ( by HPLC) | 98.5%min( by HPLC) | 99.37% |
NCO | 20.89 | 21.17 |
Color | 20APHA Max | 16 APHA |
PTSC | 1%MAX | 0.59% |
Hydrolysable Chloride | 0.1%Max. | 0.05% |
Appearance: | Colorless & Clear Liquid | Colorless & Clear Liquid |
Conclusion | The results conforms with enterprise standards
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[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 or 200kg 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
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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;
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