Product description:
| Chemical Name | estrone |
|---|---|
| Synonyms | Femidyn;Estrin;Estra-1,3,5(10)-trien-17-one, 3-hydroxy-;3-Hydroxy-1,3,5(10)-estratrien-17-one;Estrone;Expand |
| CAS No. | 53-16-7 |
| Molecular Formula | C18H22O2 |
| Molecular Weight | 270.36600 |
| PSA | 37.30000 |
| LogP | 3.81740 |
Properties
| Appearance & Physical State | White crystalline powder |
|---|---|
| Density | 1.164 g/cm3 |
| Boiling Point | 445.2ºC at 760 mmHg |
| Melting Point | 258-261ºC |
| Flash Point | 189.7ºC |
| Refractive Index | 165 ° (C=1, Dioxane) |
| Water Solubility | 0.03 g/L |
| Stability | Stable under normal temperatures and pressures. |
| Storage Condition | Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Flammables-area. |
FAQ
Q1: Can i get some samples?
A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q2: How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Western Union Etc.
Q3: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q4:What's your MOQ?
A:Our MOQ is 100g. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q5: How about delivery leadtime?
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Q6:Is there a discount?
A:Different quantity has different discount.
Q7: How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
Our Advantages:
1.We are very experienced with this field(more than 10 years);
2.Good after-sales service
3.100% quality guaranteed;
4.We accept sample order for testing;
5.Strong supply ability
6.Made in China gold members with high credit guarantee.
