Merck
CN

1324002

USP

对苯二酚

United States Pharmacopeia (USP) Reference Standard

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别名:
1,4-二羟基苯, 1,4-苯二酚, HQ
线性分子式:
C6H4-1,4-(OH)2
CAS号:
分子量:
110.11
Beilstein:
605970
MDL编号:
PubChem化学物质编号:
NACRES:
NA.24

等级

pharmaceutical primary standard

蒸汽密度

3.81 (vs air)

蒸汽压

1 mmHg ( 132 °C)

API family

hydroquinone

自燃温度

930 °F

manufacturer/tradename

USP

bp

285 °C (lit.)

mp

172-175 °C (lit.)

application(s)

pharmaceutical (small molecule)

格式

neat

SMILES string

Oc1ccc(O)cc1

InChI

1S/C6H6O2/c7-5-1-2-6(8)4-3-5/h1-4,7-8H

InChI key

QIGBRXMKCJKVMJ-UHFFFAOYSA-N

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一般描述

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

应用

Hydroquinone USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia.
Also, for use with USP monographs such as:
  • Hydroquinone Cream
  • Hydroquinone Topical Solution

分析说明

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

其他说明

Sales restrictions may apply.

警示用语:

Danger

危险分类

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Eye Dam. 1 - Muta. 2 - Skin Sens. 1B

储存分类代码

11 - Combustible Solids

WGK

WGK 3

闪点(°F)

329.0 °F - closed cup

闪点(°C)

165 °C - closed cup

法规信息

危险化学品

分析证书(COA)

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Mekhala Chandra et al.
Acta dermato-venereologica, 92(3), 232-235 (2011-10-18)
Post-inflammatory hyperpigmentation after acne can be as troublesome as the acne itself. Hydroquinone, a tyrosinase inhibitor, in a 4% cream can be used safely twice daily for up to 6 months to treat post-inflammatory hyperpigmentation. The efficacy of this treatment
Jacob Levitt
Journal of the American Academy of Dermatology, 57(5), 854-872 (2007-05-01)
Recently, the US Food and Drug Administration proposed a ban on over-the-counter hydroquinone mainly on the basis of high absorption, reports of exogenous ochronosis in humans, and murine hepatic adenomas, renal adenomas, and leukemia with large doses over extended time
J J Nordlund et al.
Journal of the European Academy of Dermatology and Venereology : JEADV, 20(7), 781-787 (2006-08-11)
Hydroquinone is one of the most effective molecules for the treatment of hyperpigmentary disorders, with over 40 years of efficacy and safety data. Concerns over its safety have been raised because of the fact that it is a derivative of
Sara M Belchik et al.
Drug metabolism reviews, 43(2), 307-316 (2011-03-24)
Glutathione transferases (GSTs) are best known for transferring glutathione (GSH) to hydrophobic organic compounds, making the conjugates more soluble. However, the omega-class GSTs of animals and the lambda-class GSTs and dehydroascorbate reductases (DHARs) of plants have little or no activity
Changming Chen et al.
Plant physiology, 166(1), 370-383 (2014-07-23)
A seed's ability to properly germinate largely depends on its oxidative poise. The level of reactive oxygen species (ROS) in Arabidopsis (Arabidopsis thaliana) is controlled by a large gene network, which includes the gene coding for the hydrogen peroxide-scavenging enzyme

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