1.02406

Sodium chloride

volumetric standard, secondary reference material for argentometry, traceable to NIST SRM Certipur^® Reag. Ph Eur,Reag. USP

• Synonym(s): Halite, NaCl
• Linear Formula: NaCl
• CAS Number: 7647-14-5
• Molecular Weight: 58.44
• Beilstein: 3534976
• MDL number: MFCD00003477
• UNSPSC Code: 41116107
• EC Index Number: 231-598-3

Properties

• Agency: ISO 17025; reag. Ph. Eur.; reag. USP
• Quality Level: 300
• vapor pressure: 1.3 hPa ( 865 °C)
• form: solid
• potency: 3000 mg/kg LD₅₀, oral (Rat); >10000 mg/kg LD₅₀, skin (Rabbit)
• technique(s): titration: suitable
• pH: 4.5-7.0 (20 °C, 100 g/L in H₂O)
• bp: 1461 °C/1013 hPa
• mp: 801 °C (lit.)
• solubility: 358 g/L
• bulk density: 1140 kg/m³
• storage temp.: 15-25°C
• SMILES string: [Na+].[Cl-]
• InChI: 1S/ClH.Na/h1H;/q;+1/p-1
• InChI key: FAPWRFPIFSIZLT-UHFFFAOYSA-M

Description

General description

Sodium chloride (NaCl) is a volumetric standard manufactured under rigorous conditions and analyzed with the highest possible precision. The mass fraction of the standard is determined by potentiometric titration, and it is qualified in a DIN EN ISO/IEC 17025 accredited laboratory.

Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.

Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.

Application

It finds its use as a certified reference material (CRM) for the standardization of volumetric solutions in argentometric titrations, in accordance with USP and Ph. Eur.

Features and Benefits

• Available as a solid in a contamination-proof glass bottle to ensure its stability for the entire shelf life until opened.
• Certified reference material according to ISO 17034
• High-purity material traceable to SRMs from NIST
• Analyzed in a DIN EN ISO/IEC 17025 accredited laboratory
• In accordance with the chapter reagents of USP and Ph. Eur
• High-quality offering accurate titer determinations
• Accompanied by a certificate of analysis (CoA)

Packaging

SKU-pack size numbers ending with a "3" are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals

Legal Information

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

Safety Information

• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 1
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable