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Product FOB Price Min.Order Supply Ability Supplier
Cas No: 103-16-2
USD $ 180.0-200.0 / Kilogram 1 Kilogram 5000 Kilogram/Month Kono Chem Co.,Ltd Contact Supplier
4-Benzyloxyphenol Manufacturer/High quality/Best price/In stock
Cas No: 103-16-2
USD $ 3.0-3.0 / Kilogram 1 Kilogram 1-100 Metric Ton/Month Hangzhou Dayangchem Co., Ltd. Contact Supplier
Monobenzone CAS NO.103-16-2
Cas No: 103-16-2
USD $ 1.0-3.0 / Metric Ton 1 Metric Ton 10 Metric Ton/Day Hebei yanxi chemical co.,LTD. Contact Supplier
High quality 4-Benzyloxy Phenol (Monobenzone) supplier in China
Cas No: 103-16-2
No Data No Data No Data Simagchem Corporation Contact Supplier
Cas No: 103-16-2
No Data No Data No Data Chemwill Asia Co., Ltd. Contact Supplier
4-Benzyloxyphenol CAS: 103-16-2
Cas No: 103-16-2
USD $ 1.0-2.0 / Metric Ton 5 Metric Ton 1000 Metric Ton/Year Henan Sinotech Import&Export Corporation Contact Supplier
Supply 103-16-2 C13H12O2 PBP
Cas No: 103-16-2
USD $ 750.0-850.0 / Kilogram 1 Kilogram 100 Kilogram/Month HENAN SUNLAKE ENTERPRISE CORPORATION Contact Supplier
Factory supply Monobenzone powder 99% for whitening cream
Cas No: 103-16-2
No Data 1 Gram 1 Metric Ton/Month Shaanxi Mingqi Chemical Co., Ltd Contact Supplier
TIANFUCHEM--103-16-2--PBP factory price
Cas No: 103-16-2
USD $ 2000.0-2000.0 / Metric Ton 1 Metric Ton 1000 Metric Ton/Day Henan Tianfu Chemical Co., Ltd. Contact Supplier
Chinese 4-Benzyloxyphenol Monobenzone supplier/suppliers manufacturer factory
Cas No: 103-16-2
No Data No Data 1000 Metric Ton/Month Crovell Biotech (Hebei) Co., Ltd. Contact Supplier

103-16-2 Usage

Brand name

Benoquin (Valeant).

Chemical Properties

cream to beige-light brownish crystals or


Toxic substance


antiinflammatory, antisecretory, antiulcer

Stimulate data

Skin-guinea pigs 5%/48 hours,  mild grade.




Monobenzone, also called 4-(Benzyloxy)phenol and monobenzyl ether of hydroquinone (MBEH) is an organic chemical in the phenol family with chemical formula C6H5CH2OC6H4OH. It is used as a topical drug for medical depigmentation. Monobenzone occurs as a white, almost tasteless crystalline powder, soluble in alcohol and practically insoluble in water.
The topical application of monobenzone in animals, increases the excretion of melanin from the melanocytes. The same action is thought to be responsible for the depigmenting effect of the drug in humans.

Treatment for vitiligo

Monobenzone may cause destruction of melanocytes and permanent depigmentation.Hyperpigmented skin appears to fade more rapidly than does normal skin, and exposure to sunlight reduces the depigmenting effect of the drug. The histology of the skin after depigmentation with topical monobenzone is the same as that seen in vitiligo; the epidermis is normal except for the absence of identifiable melanocytes.This function enables it treat the uneven appearance of the skin due to a loss of skin color (vitiligo). It works by permanently removing color from normal skin located around skin with vitiligo. This will help to make the appearance of the skin more even. 
What calls for special attention is that: Do not use this drug to treat other skin discoloration problems ("sun spots," "age spots," freckles, skin discoloration caused by hormone medicine, perfumes, pregnancy, or skin trauma). Monobenzone is not a mild cosmetic bleach. Because it causes a permanent discoloration of the skin, it may not be the right treatment for these other skin conditions.
Besides, Monobenzone is also being considered for the treatment of Melanoma.

Acute toxicity

Abdomen-rat LD50: 4500 mg/kg

How to use

This medication is for use on the skin only. Apply a thin layer of the medication to normal-colored skin, usually 2-3 times daily or as directed by your doctor. Avoid getting this product in your eyes or on the inside of your nose or mouth. If you do get this medication in those areas, flush with plenty of water.After using this medication, the skin will be permanently affected and sensitive to sunlight. Avoid prolonged exposure to sunlight, tanning booths, and sunlamps. Always use a sunscreen of SPF 15 or greater, and wear protective clothing when outdoors.It may take up to 4 months before the full benefit of this drug takes effect. Once the desired skin color is achieved, this medication is applied only as needed to maintain your new skin color (usually 2 times a week).Use this medication regularly to get the most benefit from it. To help you remember, use it at the same times each day.Inform your doctor if your condition persists or worsens after 4 months.
You should not use this medication if you are allergic to monobenzone. Do not use monobenzone on any areas that are not affected by vitiligo.


ChEBI: The monobenzyl ether of hydroquinone. It is used as a topical drug for medical depigmentation.

Purification Methods

Crystallise it from EtOH or H2O, and dry (P2O5) under vacuum. [Walter et al. J Am Chem Soc 108 5210 1986, Beilstein 6 IV 5778.]

Toxic grading

Moderate toxicity


Ventilated warehouse, low temperature, dry; Separated from food raw materials.

Flammability hazard characteristics

The drug is combustible, and combustion releases stimulus smoke.

Extinguishing agent

Dry powder, foam, sand, carbon dioxide, mist water.

103-16-2 Well-known Company Product Price

Brand (Code)Product description CAS number Packaging Price Detail
USP (1445506)  Monobenzone  United States Pharmacopeia (USP) Reference Standard 103-16-2 1445506-200MG 4,588.74CNY Detail
Alfa Aesar (A14843)  4-Benzyloxyphenol, 98+%    103-16-2 1000g 7119.0CNY Detail
Alfa Aesar (A14843)  4-Benzyloxyphenol, 98+%    103-16-2 250g 2163.0CNY Detail
Alfa Aesar (A14843)  4-Benzyloxyphenol, 98+%    103-16-2 100g 1018.0CNY Detail
Alfa Aesar (A14843)  4-Benzyloxyphenol, 98+%    103-16-2 50g 623.0CNY Detail
Alfa Aesar (A14843)  4-Benzyloxyphenol, 98+%    103-16-2 25g 366.0CNY Detail



According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 10, 2017

Revision Date: Aug 10, 2017


1.1 GHS Product identifier

Product name monobenzone

1.2 Other means of identification

Product number -
Other names 4-Benzyloxyphenol

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number -
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:103-16-2 SDS

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