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A9883

Sigma-Aldrich

ADA

≥98% (titration)

Synonym(s):

N-(2-Acetamido)iminodiacetic acid, N-(Carbamoylmethyl)iminodiacetic acid

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About This Item

Linear Formula:
H2NCOCH2N(CH2CO2H)2
CAS Number:
26239-55-4
Molecular Weight:
190.15
Beilstein:
1787181
EC Number:
247-530-0
MDL number:
MFCD00008031
UNSPSC Code:
12161700
PubChem Substance ID:
24891404
NACRES:
NA.25

Quality Level

400

Assay

≥98% (titration)

form

powder

pH

1.5-3.0

useful pH range

6.0-7.2

pKa (25 °C)

6.6

mp

219 °C (dec.) (lit.)

solubility

1 M NaOH: 160 mg/mL, clear, colorless

application(s)

diagnostic assay manufacturing

storage temp.

room temp

SMILES string

NC(=O)CN(CC(O)=O)CC(O)=O

InChI

1S/C6H10N2O5/c7-4(9)1-8(2-5(10)11)3-6(12)13/h1-3H2,(H2,7,9)(H,10,11)(H,12,13)

InChI key

QZTKDVCDBIDYMD-UHFFFAOYSA-N

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General description

ADA is a zwitterionic buffer used in biochemistry and molecular biology. It is one of the Good buffers developed in the 1960′s to provide buffers in the pH range of 6.15 - 8.35 for wide applicability to biochemical studies. The pioneering publication by Good and co-workers describes the synthesis of ADA and its physical properties. The useful range of ADA buffer in aqueous solution is 6.0 - 7.2.

Application

Biological buffer component with sodium hydroxide and sodium chloride (pH 5.67-7.57, useful pH range 6.4-7.4). Used to prepare immobilized pH gradients.

Preparation Note

This product is soluble in 1 M NaOH (160mg/mL), yielding a clear, colorless solution.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H302

Precautionary Statements

P264 - P270 - P301 + P312 - P501

Hazard Classifications

Acute Tox. 4 Oral

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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Hydrogen ion buffers for biological research
Good NE, et al.
Biochemistry, 5( (2), 467-477 (1966)
Gulen Yesilbag Tonga et al.
Nature chemistry, 7(7), 597-603 (2015-06-24)
Bioorthogonal catalysis broadens the functional possibilities of intracellular chemistry. Effective delivery and regulation of synthetic catalytic systems in cells are challenging due to the complex intracellular environment and catalyst instability. Here, we report the fabrication of protein-sized bioorthogonal nanozymes through
Eoin Gillespie et al.
Journal of separation science, 32(15-16), 2659-2667 (2009-07-09)
The application of scanning capacitively coupled contactless conductivity detection (SC(4)D) for the determination of pH dependant behaviour of two aminopolycarboxylates immobilised onto the surface of a monolithic capillary column is described. The use of SC(4)D to visualise changes in conductivity
E A Lance et al.
Analytical biochemistry, 133(2), 492-501 (1983-09-01)
Potentiometric, visible, infrared, electron spin, and nuclear magnetic resonance studies of the complexation of N-(2-acetamido)iminodiacetic acid (H2ADA) by Ca(II), Mg(II), Mn(II), Zn(II), Co(II), Ni(II), and Cu(II) are reported. Ca(II) and Mg(II) were found not to form 2:1 ADA2- to M(II)
Christopher J Smiley et al.
Journal of the American Dental Association (1939), 146(7), 508-524 (2015-06-27)
Conduct a systematic review and meta-analysis on nonsurgical treatment of patients with chronic periodontitis by means of scaling and root planing (SRP) with or without adjuncts. A panel of experts convened by the American Dental Association Council on Scientific Affairs
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