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Merck
CN

71679

Sodium bitartrate monohydrate

BioUltra, ≥99.0% (T)

Synonym(s):

L-(+)-Tartaric acid monosodium salt, Sodium hydrogen tartrate monohydrate

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About This Item

Empirical Formula (Hill Notation):
C4H5NaO6 · H2O
CAS Number:
Molecular Weight:
190.08
UNSPSC Code:
12161700
NACRES:
NA.21
PubChem Substance ID:
EC Number:
208-400-9
Beilstein/REAXYS Number:
6099125
MDL number:
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Product Name

Sodium bitartrate monohydrate, BioUltra, ≥99.0% (T)

Quality Level

InChI key

LLVQEXSQFBTIRD-UHFFFAOYSA-M

InChI

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

SMILES string

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

product line

BioUltra

assay

≥99.0% (T)

form

powder or crystals

optical activity

[α]20/D +22±1°, c = 1% in H2O

impurities

insoluble matter, passes filter test

pH

2.5-4.0 (25 °C, 0.1 M in H2O)

solubility

H2O: 0.1 M at 20 °C, clear, colorless

anion traces

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

cation traces

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤50 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

0.1 M in H2O

UV absorption

λ: 260 nm Amax: 0.01
λ: 280 nm Amax: 0.01

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Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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