1.product IntoductionRetinoic acid is yellow crystalline powder. Retinoic acid easily dissolved in chloroform and dissolved in carbinol, ethanol and retinoic acid also dissolved in vegetable oil and lipid. Retinoic acid instability exposed in light and caloricr, easily absorbing moisture and metamorphosed in water. 2.Main Functions -Retinoic Acid is the acid form of vitamin A and so also known as all-trans retinoic acid or ATRA.

-Retinoic Acid is a drug commonly used to treat acne vulgaris and keratosis pilaris.

-Retinoic Acid is available as a cream or gel.Retinoic acid is also used to treat acute promyelocytic leukemia.

-Retinoic Acid can stimulate skin growth and keep epidermic normal.

-Retinoic Acid can slow down skin aging process for solarization, remove tiny wrinkles, and retinoic acid can

reduce skin roughness, so skin will become ruddy.

3.Specification

Product name	Retinoic Acid	Other name	Tretinoin
CAS No.	302-79-4	EINECS	206-129-0
Appearance	Yellow crystalline powder	Odor	Characteristic
Molecular formula	C20H28O2
Molecular weight	300.44
Specification	98-102%
Test method	PHLC
Brand	Wison
Melting point	179-184 ºC	Water solubility	Insoluble
Heavy metals	MAX. 0.002%	Loss on drying %	MAX 0.5%
Total Plate Count	< 1000cfu/g	Yeast & Mold	< 100cfu/g
E. Coli	Negative	Conclusion	Negative
Storage	In cool,dry and clean.	Shelf life	2 years.
Package	1kg/bag,25kg/drum.	Delivery	Within 3 days after payment.

4.Process flow

Raw material→Pressing→Solvent extraction→Concentration→Crystallization→Crude product→Recrystal→Ferulic acid

5.Package & Storage

Packing : By 25kgs/drum, inner by double plastic bag

Storage : Stored in a cool&dry well-closed container, keep away from moisture and strong light/heat.

Shelf life :Two years under well storage situation..

6.Sweet tips

1. Delivery:By UPS/DHL/EMS or by Air/Sea as per Qty

2. Samples: Within 48 Hours

3. www.biowison.com

Our Company Showing

Xi'an Wison Biological Technology Co.,Ltd. locates in ecological zone and business center,We specialize in manufacturing all kinds of natural herb extract, natural food additie, pharmaceutical intermediate, daily chemical products as well as technology research, transfer and consultation of food, drink,cosmetic,medicine and healthy product Our GMP production base locates in Sanyuan of Shaanxi, with the yearly capacity of 1000 ton based on exceptional botanical natural resource. We have established a independent R&D centre in Xi'an High.Tech Development Zone. We have high performance liquid chromatography, gas chromatography, Atomic Absorption Spectrometer, Ultra-violet and Visible Spectrophotometer, and analysis appliances of micro-organism Lab. Moreover, we have another process-scale chromatography production line which specializes in manufacturing high purity natural botanical ingredients.