74347

Hydroquinone

certified reference material, TraceCERT^®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland

• 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: 41116107
• PubChem Substance ID: 329765635
• NACRES: NA.24

Properties

• grade: certified reference material; TraceCERT^®
• Quality Level: 300
• vapor density: 3.81 (vs air)
• vapor pressure: 1 mmHg ( 132 °C)
• product line: TraceCERT^®
• autoignition temp.: 930 °F
• shelf life: limited shelf life, expiry date on the label
• manufacturer/tradename: Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
• technique(s): HPLC: suitable; gas chromatography (GC): suitable
• bp: 285 °C (lit.)
• mp: 172-175 °C (lit.)
• application(s): cleaning products; cosmetics; food and beverages; personal care
• format: 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

Description

General description

This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to primary material from an NMI, e.g. NIST or NMIJ.
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com.

This substance is listed on the positive list of the EU regulation 10/2011 for plastics intended to come into contact with food. Find all available reference materials for compounds listed in 10/2011 here

Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Legal Information

TraceCERT 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