Nitrilotriacetic acid

Basic Information

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CAS Number

139-13-9

Molecular Formula

C6H9NO6

Molecular Weight

191.14 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Physical Properties

Melting Point

245 °C (dec.)

Boiling Point

326.86°C (rough estimate)

Solubility

0.1 M NaOH: 0.1 M at 20 °C, clear, colorless

Refractive Index

1.4860 (estimate)

SMILES

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OC(=O)CN(CC(=O)O)CC(=O)O

InChI

InChI=1S/C6H9NO6/c8-4(9)1-7(2-5(10)11)3-6(12)13/h1-3H2,(H,8,9)(H,10,11)(H,12,13)

InChIKey

MGFYIUFZLHCRTH-UHFFFAOYSA-N

LogP

-1.4577999999999993

pKa

3.03, 3.07, 10.70(at 20℃)

Topological Polar Surface Area

115.14 Å²

Hydrogen Bond Donor/Acceptor

3 / 7

Complexity

187

Safety Information

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GHS Hazard Pictograms

H302

H319

H351

Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

H319 Causes serious eye irritation
Serious eye damage/eye irritation

H351 Suspected of causing cancer
Carcinogenicity

Hazard Class

Class 8 Class 8

Sensitiveness

Sensitive to humidity

Synonyms & References

English

2,2',2''-Nitrilotriacetic acid
ALPHA,ALPHA',ALPHA''-TRIMETHYLAMINETRICARBOXYLIC ACID
AMINOTRIACETIC ACID
COMPLEXONE I
COMPLEXONE L(R)
IDRANAL(R)
IMINOTRIACETIC ACID
N,N-BIS(CARBOXYMETHYL)GLYCINE
NTA
TIMTEC-BB SBB006593
TITRIPLEX(R) I
TRIGLYCINE
TRIGLYCOLLAMIC ACID
TRILON A
TRIMETHYLAMINE-A,A',A''-TRICARBOXYLIC ACID
TRIMETHYLAMINE-ALPHA,ALPHA',ALPHA''-TRICARBOXYLIC ACID
TRIS(CARBOXYMETHYL)AMINE
ai3-52483
chel300
Nitrilotriacetic acid
Nitrilotriacetic Aci
Nitrilotriacetic Acid (NTA)
combretastatin A2
Complexon I
N,N-Bis(carboxymethyl)glycine,NTA,Tris(carboxymethyl)amine
Prochlorperazin
prochlorperazine Maleate
Prochlorperazinemaleat
Noname
Trilone A
idranal i

MDL Number

MFCD00004287

Customs Code

29224995

FAQ

What is Nitrilotriacetic acid (CAS: 139-13-9)?

Nitrilotriacetic acid, with the CAS number 139-13-9, is a versatile organic compound with the chemical formula C3H6N O3. It is a white crystalline solid that is soluble in water and commonly used as a chelating agent. This compound is known for its ability to bind metal ions, making it valuable in various applications across industries.

What are the main uses of Nitrilotriacetic acid (CAS: 139-13-9)?

Nitrilotriacetic acid (CAS: 139-13-9) is widely used in pharmaceuticals, industrial processes, and research. It serves as a chelating agent in water treatment, metal removal, and as a component in detergents and cleaning products. In the food industry, it is used as a sequestrant to preserve quality and extend shelf life. It also plays a role in the synthesis of other chemicals and in analytical chemistry for metal ion detection.

Is Nitrilotriacetic acid (CAS: 139-13-9) safe?

Nitrilotriacetic acid (CAS: 139-13-9) is generally considered safe when handled properly, but it can be harmful if inhaled, ingested, or contacted with skin. Safety data sheets recommend using appropriate personal protective equipment such as gloves and goggles. It is classified as a moderately toxic substance, so proper handling and storage are essential to ensure safety in industrial and laboratory settings.

How should Nitrilotriacetic acid (CAS: 139-13-9) be stored?

Nitrilotriacetic acid (CAS: 139-13-9) should be stored in a cool, dry, and well-ventilated area, away from direct sunlight. It is typically kept in a sealed container to prevent moisture absorption and maintain stability. Storage conditions should be controlled to avoid high temperatures and humidity, as these can affect the chemical's integrity and safety. Always store in a designated chemical storage area with proper labeling.