Product Description
PRODUCT DISCRIPTION
Benzophenone-3 CAS 131-57-7 Basic information
Product Name: Benzophenone-3
CAS: 131-57-7
MF: C14H12O3
MW: 228.24
EINECS: 205-031-5
Benzophenone-3 CAS 131-57-7 Specification
| Items |
Standard |
| Appearance |
Pale greenish yellow crystalline powder |
| Assay (HPLC) |
97.0-103.0% |
| Melting point |
62.0-65.0ºC |
| Congealing Temperature |
≥62.0ºC |
| Total Impurities |
≤1.0% |
| Benzophenone-1 |
≤0.2% |
| Single largest unspecified impurity |
≤0.10% |
| UV absorption coefficient (1%, 1cm)E288 |
≥630 |
| UV absorption coefficient (1%, 1cm)E325 |
≥410 |
| Loss on drying |
≤0.2% |
| Gardner color |
≤4.0 |
| Heavy metal |
≤5 ppm |
Certifications
CERTIFICATION
Company Profile
COMPANY SHOW
GuanLang (Hebei) Co., Ltd is Located in Shijiazhuang, Hebei Province.
GuanLang is specialized in APIs, Antiseptic fungicide, Daily chemicals and Dye intermediate. GuanLang also supply various industrial chemicals for customers. After ten years development ,GuanLang has become a Diversified development company, not only involves in chemicals, but also real estate ,clothes ,agricultural products and so on.So far, GuanLang has business in more than 50 countries, most big customers come from Europe and America, because among thesuppliers in china, GuanLang can always make the product quality best, some of the products from GuanLang can reach the purity of 99.9+. This is the important reason for customers who choosing GuanLang.In the future, GuanLang must become a more important trade bridge for china and foreign countries especially in pharmaceuticalindustries.
Packaging & Shipping
PACKING&SHIPPING
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FAQ
FAQ
why choose our company
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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