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Merck

1.06664

Sodium tartrate dihydrate

Certified Reference Material for Karl Fischer Titration 15.66% Aquastar®

Synonym(s):

Sodium tartrate dihydrate, di-Sodium tartrate dihydrate, Tartaric acid sodium salt dihydrate

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About This Item

Empirical Formula (Hill Notation):
C4H4Na2O6 · 2H2O
CAS Number:
6106-24-7
Molecular Weight:
230.08
UNSPSC Code:
41115601
EC Index Number:
212-773-3
NACRES:
NA.24
MDL number:
MFCD00150035

Product Name

Sodium tartrate dihydrate, Certified Reference Material for Karl Fischer Titration 15.66% Aquastar®

SMILES string

[Na+].[Na+].[O-]C(=O)[C@H](O)[C@@H](O)C(=O)[O-].O.O

InChI

1S/C4H6O6.2Na.2H2O/c5-1(3(7)8)2(6)4(9)10;;;;/h1-2,5-6H,(H,7,8)(H,9,10);;;2*1H2/q;2*+1;;/p-2/t1-,2-;;;;/m1..../s1

InChI key

FGJLAJMGHXGFDE-DGFHWNFOSA-L

grade

certified reference material

agency

ISO 17025, 17034

product line

Aquastar®

form

solid

reaction suitability

reaction type: water standard for Karl Fischer titration

packaging

bottle of 100 g

technique(s)

Karl-Fischer titration: suitable
titration: suitable

pH

8 (25 °C, 50 g/L in H2O)

solubility

290 g/L

density

1.82 g/cm3

bulk density

460 kg/m3

format

neat

storage temp.

15-25°C

Quality Level

300

Related Categories

Application

The sodium tartrate dihydrate CRM is used for the standardization of volumetric Karl Fischer titrants according to European Pharmacopeia (Ph.Eur.) chapter 2.5.12 “Water Semi-Micro Determination”, United States Pharmacopeia <921> “Water Determination”.

Features and Benefits

  • Available in a secure plastic bottle
  • Subjected to stability and homogeneity studies following ISO 17034 and ISO Guide 35
  • High-quality offering accurate and reliable results
  • Measured and qualified in an ISO/IEC 17025 and ISO 17034 accredited laboratory

General description

Sodium tartrate dihydrate is a solid standard with a water content of 15.66% determined by the technique of loss on drying at 150°C. Its preparation from high-purity reagents and analysis is completed in an ISO/IEC 17025 and ISO 17034 accredited calibration laboratory.

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

In our effort to be more sustainable, we′re going digital with COAs-download them directly from our website. Download your certificate at https://www.sigmaaldrich.com/US/en/documents-search to view certified values, including uncertainty and expiry date.

Other Notes

Replaces: 1.06664.0100

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

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

Storage Class

11 - Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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