94676

Zitronensäure

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

• Lineare Formel: HOC(COOH)(CH₂COOH)₂
• CAS-Nummer: 77-92-9
• Molekulargewicht: 192.12
• Beilstein: 782061
• EG-Nummer: 201-069-1
• MDL-Nummer: MFCD00011669
• UNSPSC-Code: 41116107
• eCl@ss: 39021801
• PubChem Substanz-ID: 329770375
• E-Nummer: E330
• NACRES: NA.24

Eigenschaften

• Qualität: certified reference material; TraceCERT^®
• Qualitätsniveau: 300
• Haltbarkeit: limited shelf life, expiry date on the label
• Expl.-Gr.: 8 %, 65 °F
• Hersteller/Markenname: Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
• Methode(n): HPLC: suitable; gas chromatography (GC): suitable
• pKa: (1) 3.13, (2) 4.76, (3) 6.4
• mp (Schmelzpunkt): 153-159 °C (lit.)
• Anwendung(en): cleaning products; cosmetics; flavors and fragrances; food and beverages; personal care
• Format: neat
• SMILES String: OC(=O)CC(O)(CC(O)=O)C(O)=O
• InChI: 1S/C6H8O7/c7-3(8)1-6(13,5(11)12)2-4(9)10/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12)
• InChIKey: KRKNYBCHXYNGOX-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

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

Anwendung

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

Verpackung

Bottomless glass bottle. Contents are inside inserted fused cone.

Rechtliche Hinweise

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

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• H-Sätze: H319,H335
• P-Sätze: P261 - P264 - P271 - P280 - P304 + P340 + P312 - P305 + P351 + P338
• Gefahreneinstufungen: Eye Irrit. 2 - STOT SE 3
• Zielorgane: Respiratory system
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable