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09985

Sigma-Aldrich

Ammonium tartrate dibasic

BioUltra, ≥98% (T)

Synonym(s):

L-(+)-Tartaric acid diammonium salt, Diammonium tartrate

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About This Item

Linear Formula:
(NH4)2C4H4O6
CAS Number:
3164-29-2
Molecular Weight:
184.15
Beilstein:
6120352
EC Number:
221-618-9
MDL number:
MFCD00013073
UNSPSC Code:
12161700
eCl@ss:
39021923
PubChem Substance ID:
329748871
NACRES:
NA.25
Pricing and availability is not currently available.

product line

BioUltra

Quality Level

200

Assay

≥98% (T)

form

powder or crystals

impurities

insoluble matter, passes filter test

ign. residue

≤0.05% (as SO4)

pH

6.0-7.5 (25 °C, 1 M in H2O)

solubility

H2O: 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: ≤5 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
Na: ≤50 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H2O

UV absorption

λ: 260 nm Amax: 0.052
λ: 280 nm Amax: 0.039

SMILES string

N.N.O[C@H]([C@@H](O)C(O)=O)C(O)=O

InChI

1S/C4H6O6.2H3N/c5-1(3(7)8)2(6)4(9)10;;/h1-2,5-6H,(H,7,8)(H,9,10);2*1H3/t1-,2-;;/m1../s1

InChI key

NGPGDYLVALNKEG-OLXYHTOASA-N

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Application

Ammonium tartrate dibasic can be used to study biochemicals and reagents, biological buffers, chelators, protein structural analysis, proteomics and X-ray crystallography. Ammonium tartrate dibasic has been used in a study to research the crystal optimization and preliminary diffraction data analysis of the Smad1 MH1 domain bound to a palindromic SBE DNA element.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCM7450
BCCM1622
BCCM5008
BCCL0019
BCCJ8665

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