Skip to Content
Merck
All Photos(1)

Key Documents

SX0795

Supelco

Sodium Tartrate, Dihydrate

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Synonym(s):

Sodium Tartrate, Dihydrate, Tartaric Acid Disodium Salt

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
(CHOHCOONa)2 · 2H2O
CAS Number:
MDL number:
UNSPSC Code:
41115601
EC Index Number:
212-773-3

Agency

meets USP/NF

Quality Level

Assay

99.0-101.0%

form

crystals

impurities

≤0.005% Insoluble Matter

loss

15.61-15.71% loss on drying, at 150C

color

white/clear

pH

8 (25 °C, 50 g/L in H2O)

solubility

290 g/L

anion traces

chloride (Cl-): ≤5 ppm
phosphate (PO43-): ≤5 ppm
sulfate (SO42-): ≤0.005%

cation traces

Ca: ≤0.01%
Fe: ≤0.001%
NH4+: ≤0.003%
heavy metals (as Pb): ≤5 ppm

shipped in

ambient

storage temp.

room temp

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

Application

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs GR ACS

Analysis Note

Ammonium (NH4): 0.003% max
Assay: 99.0-101.0%
Calcium (Ca): 0.01% max
Chloride (Cl): ppm max
Color: White or colorless
Form: Crystals
Heavy metals (as Pb): 5ppm max
Insoluble matter: 0.005% max
Iron (Fe): 0.001% max
Loss on drying at 150°C: 15.61-15.71%
Phosphate (PO4): 5ppm max
Sulfate (SO4): 0.005% max
pH of a 5% solution at 25°C: 7.0-9.0

Storage Class Code

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’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service