N-(2-HYDROXYETHYL)IMINODIACETIC ACID

Synonym(s):Ethanol diglycine

CAS NO.：93-62-9
Empirical Formula: C6H11NO5
Molecular Weight: 177.16
MDL number: MFCD00004293
EINECS: 202-263-9
SAFETY DATA SHEET (SDS)
Update Date: 2024-08-11 15:28:25

N-(2-HYDROXYETHYL)IMINODIACETIC ACID Structural

What is N-(2-HYDROXYETHYL)IMINODIACETIC ACID?

Chemical properties

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The Uses of N-(2-HYDROXYETHYL)IMINODIACETIC ACID

N-(2-Hydroxyethyl)iminodiacetic Acid (cas# 93-62-9) is a compound useful in organic synthesis.

Definition

ChEBI: N-(2-hydroxyethyl)iminodiacetic acid is an amino dicarboxylic acid that is glycine in which both hydrogens attached to the nitrogen is substituted by a carboxymethyl group and a 2-hydroxyethyl group. It has a role as a chelator. It is an amino dicarboxylic acid and a glycine derivative. It is functionally related to an iminodiacetic acid, a propionic acid and an ethanolamine.

General Description

N-(2-Hydroxyethyl)iminodiacetic acid (HEIDA) is a biodegradable and strong metal chelating agent, similar to nitrilotriacetic acid (NTA).

Flammability and Explosibility

Not classified

Purification Methods

Crystallise HIMDA from water. [Beilstein 4 IV 2432.]

Properties of N-(2-HYDROXYETHYL)IMINODIACETIC ACID

Melting point:	178 °C (lit.)
Boiling point:	309.06°C (rough estimate)
Density	1.4347 (rough estimate)
vapor pressure	8.398hPa at 21.1℃
refractive index	1.4230 (estimate)
solubility	0.1 M NaOH: 50 mg/mL, clear
form	powder to crystal
pka	pK1:2.2;pK2:8.65 (25°C,μ=0.1)
color	White to Almost white
Water Solubility	18.61g/L at 25℃
BRN	1780628
CAS DataBase Reference	93-62-9(CAS DataBase Reference)
EPA Substance Registry System	N-(2-Hydroxyethyl)iminodiacetic acid (93-62-9)

Safety information for N-(2-HYDROXYETHYL)IMINODIACETIC ACID

Signal word	Warning
Pictogram(s)	Exclamation Mark Irritant GHS07
GHS Hazard Statements	H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.