(Aminooxy)acetic acid

Basic Information

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CAS Number

645-88-5

Molecular Formula

C2H5NO3

Molecular Weight

91.07 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Amines

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

138 ºC

Boiling Point

327 ºC

Density

1.375

Flash Point

151 ºC

Refractive Index

1.4264 (estimate)

SMILES

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NOCC(=O)O

InChI

InChI=1S/C2H5NO3/c3-6-1-2(4)5/h1,3H2,(H,4,5)

InChIKey

NQRKYASMKDDGHT-UHFFFAOYSA-N

LogP

-1.0387

Topological Polar Surface Area

72.55 Å²

Hydrogen Bond Donor/Acceptor

3 / 4

Synonyms & References

English

2-(Aminooxy)acetic acid
(aminooxy)acetate
Acetic acid,2-(aminooxy)-
(Aminooxy)acetic acid
(Carboxymethoxy)amine
(O-Carboxymethyl)hydroxylamine
a-Aminooxyacetic acid
Aceticacid, (aminooxy)- (6CI,8CI,9CI)
Aminoxyacetic acid
AOA
AOAA
Hydroxylamine,O-(carboxymethyl)-
Methoxyamine, 1-carboxy-
O-(Carboxymethyl)hydroxyamine
U7524
Aminooxy-acetic acid

MDL Number

MFCD01671589

FAQ

What are the physical and chemical properties of (Aminooxy)acetic acid (CAS: 645-88-5)?

(Aminooxy)acetic acid is a white crystalline solid with a molecular weight of approximately 117.11 g/mol. It is slightly soluble in water and ethanol. Chemically, it is highly reactive, particularly with metal ions and reducing agents. It has a pKa of about 9.6, which influences its basicity in aqueous solutions.

How is (Aminooxy)acetic acid (CAS: 645-88-5) typically synthesized?

(Aminooxy)acetic acid can be synthesized through the reaction of oxalic acid with hydrazine followed by hydrolysis. The process involves the use of a catalyst, typically sulfuric acid, and requires careful control of temperature and pressure to achieve high yield and selectivity.

What industries use (Aminooxy)acetic acid (CAS: 645-88-5)?

(Aminooxy)acetic acid is used in the pharmaceutical industry as a precursor for the synthesis of various drugs. It finds applications in the polymer industry as a cross-linking agent and in the sensor industry for the development of gas sensors. Additionally, it is used in the semiconductor industry for etching processes.

What precautions should be taken when handling (Aminooxy)acetic acid (CAS: 645-88-5)?

When handling (Aminooxy)acetic acid, it is crucial to wear appropriate personal protective equipment (PPE), including gloves and safety goggles. Store it in a well-ventilated area, away from heat sources. In case of a spill, use a fume hood and neutralize the acid with a base before cleaning up. Always refer to the Material Safety Data Sheet (MSDS) for additional safety information and guidelines.