Product details
Bulk supply and Contract manufacturing of Fine Chemicals,Pharmaceutical Intermediates,APIs from kilos to tons


  • CAS:


  • Synonym:

    Symwhite 377


CAS No: 85-27-8
Product Name: 4-(1-phenylethyl)benzene-1,3-diol
Other Name:
Symwhite 377
Density: 1.2±0.1 g/cm3
Boiling Point: 365.1±17.0 °C at 760 mmHg
Molecular Formula: C14H14O2
Molecular Weight: 214.260
Flash Point: 175.2±15.5 °C
Exact Mass: 214.099380
PSA: 40.46000
LogP: 3.10
Vapour Pressure: 0.0±0.8 mmHg at 25°C
Index of Refraction: 1.616
Appearance: White powder
Specific rotation: +39.5 to +41.5° 
State of solution(transmittance): Clear 98.0% min
Chloride[cl]: 0.020% max
Ammonium [NH4]: 0.02% max
Sulfate[SO4]: 0.020% max
Iron[Fe]: 10ppm max
Heavy metals [Pb]: 10ppm max
Arsenic[As2O3]: 1ppm max
Other amino acids: Chromatographically not detectable
Loss on drying: 0.20% max
Residue on ignition[sulfated]: 0.10% max
Assay: 99.0% min
4-(1-Phenylethyl)-1,3-benzenediol is an novel active ingredient of highly efficient skin lightening agents.
Extremely effective tyrosinase inhibitor with excellent antioxidant function. It is widely used in various whitening, freckle and anti-aging products. It can reduce skin coloration caused by ultraviolet radiation and can improve uneven skin tone.
Phenethyl resorcinol (377) is a high-efficiency new skin whitening agent derived from silver pine, with a superb potential whitening effect: in vitro experiments have also proven to be dozens or even hundreds of times stronger than VC. And clinically confirmed that its whitening ability is equivalent to that of hydroquinone.
The most important thing is that the whitening speed is fast and it is flattering to consumers. After more than ten years of continuous understanding of the nature and safety of these raw materials, it is gradually getting permission from various countries. It is gradually used in cosmetics. It is a kind of Emerging efficient natural actives.
Phenyl resorcinol is difficult to dissolve in water, and is easily oxidized and discolored, which limits its application in cosmetics. The use of nano-active substances with a particle size of less than 30 nm developed by the nano-transmission system (NDS) will convert Ethyl resorcinol is stably wrapped in a nano-carrier, which can greatly increase absorption efficiency and bioavailability, overcome the original defects well and maintain advantages, and it is more convenient and widely used.
Phenethyl resorcinol can effectively inhibit melanin synthesis by acting on multiple targets of the melanin synthesis pathway, thereby achieving whitening and brightening effects. Super strong antioxidant, effectively remove harmful free radicals from the skin, fight aging and wrinkles caused by free radicals.
Skin care effect
1. Inhibit melanin synthesis, reduce pigmentation, whiten skin
2. Eliminate free radicals, anti-oxidation, and fight against skin aging
3. Reduce acne marks
Package: 25kg/drum, can also be designed according to customer requirements.
Storage: Store in cool place. Keep container tightly closed in a dry and well-ventilated place.

The products are exported to Europe, America, Middle East, India, Southeast Asia and other countries and regions, and have been recognized and highly praised by the market and customers.We use our research in assisting customers to solve their most challenging problems and unique opportunities.In the complete production service chain with gram-kg-ton class, it can realize rapid response in the product development- pilot-amplification process and quickly transform technology into production.We not only effectively utilize the strong technical strength of our R&D department, but also establish long-term cooperative relationships with many well-known domestic enterprises and research institutions, and form a leading R&D and production team in China.The products are exported to Europe, America, Middle East, India, Southeast Asia and other countries and regions, and have been recognized and highly praised by the market and customers.

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Laboratory in Ningbo
Our company's R&D company, Ningbo Gino Chemical Co., Ltd. was established in December 2011. we have several fume hoods and kilogram laboratory, and have purchased 20L, 50L reactors and as a preliminary pilot manufacturing of the products. At the same time, We mobilized external resources to establish a pilot facility in Henan Zhumadian and Anhui Anqing, and cooperating with Shandong Zibo and Jiangsu Changzhou factories as a large production facility for our products.

Factory in Shanxi Province
At the end of 2017, We invested workshop in Xinjiang County Longzhou Chemical Co., Ltd., Xinjiang County Coal Mine Park, Yuncheng, Shanxi. The first phase of the reactors were 30* 2000L~5000L, The contract output value is 50 million annually, factory has passed the audit from public listed company domestic and abroad.

Factory in Shandong Province
The production base of liquid rectification chemical products located in Liaocheng, Shandong Province is the main outsourcing production base of our company. The products are sold to leading enterprises and listed companies in the carcass industry for many years. The production, quality and service are stable, delivery is timely, and some individual products are covering 90% of the market.

Factory in Henan Province
In year 2020, We invested workshop in Henan province, the workshop consists of 50*2000L~5000L reactors, The types of reactions that can be manufacturer there are: bromination, cyanidation, and conventional reactions.

Disclaimer: Certain products are for research use only. Not for diagnostic or therapeutic use. Not for human use. INNOPHARMCHEM does not sell to individuals. INNOPHARMCHEM does not warrant that the use or sale of the products delivered under will not infringe the claims of any China or other patents covering the product itself or the use thereof in combination with other products or the operation of any process.