N,N-Bis[2-(2,6-dioxo-4-morpholinyl)ethyl]-glycine
[CAS# 23911-26-4]

Identification

• Name: N,N-Bis[2-(2,6-dioxo-4-morpholinyl)ethyl]-glycine
• Synonyms: 1,5-Bis(2,6-dioxomorpholino)-3-azapentane-3-acetic acid; DTPA anhydride; DTPA cyclic anhydride; DTPA dianhydride; DTPAA; Diethylenetriamine-N,N,N',N'',N''-pentaacetic acid N,N''-dianhydride
• Molecular Formula: C₁₄H₁₉N₃O₈
• Molecular Weight: 357.32
• CAS Registry Number: 23911-26-4
• EC Number: 607-286-1

Properties

• Solubility: Very slightly soluble (0.71 g/L) (25 °C), Calc.^*
• Density: 1.460±0.06 g/cm³ (20 °C 760 Torr), Calc.^*
• Melting point: 209-211 °C (water ethanol ethyl ether )^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2013 ACD/Labs)

^** Zhang, Ding-Wa

Safety Data

• Hazard Symbols: Xi
• Risk Statements: R36/37/38
• Safety Statements: S26;S36

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Eye irritation	Eye Irrit.	2	H319
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Reproductive toxicity	Repr.	2	H361