| Customization: | Available |
|---|---|
| CAS No.: | 68-26-8 |
| Formula: | C20h30o |
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| product name | Retinol |
| Melting point | 61-63 °C(lit.) |
| Boiling point | 368.81°C (rough estimate) |
| density | 0.9933 (rough estimate) |
| refractive index | 1.641 |
| Fp | -26 °C |
| storage temp. | -20°C |
| pka | 14.09±0.10(Predicted) |
Hebei Tianao Technology Co., Ltd. was established in 2023, is a collection of production and processing, customized services, sales, trade as one of the private enterprises. The company is located in No. 158 Yuhua West Road, Qiaoxi District, Shijiazhuang City, the factory environment is elegant, well-equipped, sufficient resources, the company has advanced technology, professional and technical personnel. We pursue the management tenet of "Quality is Superior, Service is Supreme, Reputation is First", and will sincerely create and share success with all clients. We welcome you to contact us for more information and look forward to working with you!
Q1: May I get one sample before placing order?
Re: Yes, we'd like to provide sample for you. For those normal products, you just need to bear the freight; for those high value products, you just need to freight and a little 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: In order to prompt our cooperation, there are some payment methods for your choice. T/T(USD), Western union, Paypal, Credit card all is ok. 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, T/T, EMS, etc.) or by air. Usually it will cost 2-5 days that you can get the goods after delivery.
For large quantity products, shipment is better. 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: Sure. 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 high qualified. If the goods can't come to the quality we promise, you can ask for refund.
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