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Merck
CN

289981

Sodium hydrogentartrate

98%

Synonym(s):

L(+)-Tartaric acid monosodium salt, Sodium bitartrate, Tartaric acid monosodium salt

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About This Item

Linear Formula:
NaO2CCH(OH)CH(OH)CO2H
CAS Number:
526-94-3
Molecular Weight:
172.07
UNSPSC Code:
51113400
NACRES:
NA.22
PubChem Substance ID:
329753305
EC Number:
208-400-9
Beilstein/REAXYS Number:
6099125
MDL number:
MFCD00065393

Key Documents

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Product Name

Sodium hydrogentartrate, 98%

InChI key

NKAAEMMYHLFEFN-ZVGUSBNCSA-M

InChI

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

SMILES string

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

assay

98%

form

solid

optical activity

[α]20/D +24°, c = 3 in H2O

mp

253 °C (dec.) (lit.)

functional group

carboxylic acid
hydroxyl

Quality Level

200

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Application

Sodium hydrogentartrate may also be used in the preparation of sodium citrate-sodium tartrate reagent, which can complex with interfering metals during the colorimetric estimation of ammonium ions in soil samples. The modification of supported nickel catalysts with sodium hydrogentartrate leads to enhanced enantiomeric excess (ee) during the hydrogenation of methyl acetoacetate.

General description

Sodium hydrogentartrate is an inorganic salt commonly used in qualitative chemical analysis to detect potassium.

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
SDBB7050
SDBB4501
STBL1168
STBL3215
STBK1800

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Enantio-differentiating hydrogenation of methyl acetoacetate over modified nickel catalysts: effects of nickel dispersion on the enantio-selectivity of catalysts.
Jo D, et al.
Research on Chemical Intermediates, 30(9), 889-901 (2004)
Driver JE
Bentley and Driver's Qualitative Chemical Analysis: A Handbook for Teaching Practice Supervisors., 16-16 (1988)

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