H9003

Hydroquinone

ReagentPlus^®, ≥99%

• Synonym(s): 1,4-Benzenediol, 1,4-Dihydroxybenzene, HQ
• Linear Formula: C₆H₄-1,4-(OH)₂
• CAS Number: 123-31-9
• Molecular Weight: 110.11
• Beilstein: 605970
• EC Number: 204-617-8
• MDL number: MFCD00002339
• UNSPSC Code: 12352005
• PubChem Substance ID: 57654278
• NACRES: NA.77

Properties

• biological source: synthetic
• Quality Level: 200
• vapor density: 3.81 (vs air)
• vapor pressure: 1 mmHg ( 132 °C)
• product line: ReagentPlus^®
• Assay: ≥99%
• form: powder
• autoignition temp.: 930 °F
• bp: 285 °C (lit.)
• mp: 172-175 °C (lit.)
• solubility: water: 50 mg/mL, clear
• 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

Description

General description

Hydroquinone is a phenolic compound, which is naturally found in coffee, tea and wine. It is used in photographic, chemical and cosmetic industries. Hydroquinone is used as a skin lightening agent. It is topically applied to treat melisma, freckles and senile lentigines. Hydroquinone is linked to exogenous ochronosis, dermatitis and skin irritation. It inhibits melanogenesis.

Application

Hydroquinone has been used as reagent for the conversion of DNA by sodium bisulfite. It has also been used as a chemical in Timm′s staining.

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS08,GHS05,GHS07,GHS09
• Signal Word: Danger
• Hazard Statements: H302,H317,H318,H341,H351,H410
• Precautionary Statements: P273 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Eye Dam. 1 - Muta. 2 - Skin Sens. 1B
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): 329.0 °F - closed cup
• Flash Point(C): 165 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves