n-(carboxymethyl)-n-(phosphonomethyl)-glycine

n-(carboxymethyl)-n-(phosphonomethyl)-glycine - Names and Identifiers

Name	N-Phosphonomethyl aminodiacetic acid
Synonyms	PMID PMIDA ntermediate of Glyphosate N-Phosphonomethyl aminodiacetic acid N-(PHOSPHONOMETHYL)IMINODIACETIC ACID N-(Phosphonomethyl)iminodiacetic acid N-(Phosphonomethyl) iminodiacetic acid 2,2'-[(phosphonomethyl)imino]diacetic acid n-(phosphonomethyl)iminodiaceticacidhydrate N-(Carboxymethyl)-N-(phosphonomethyl)-glycine n-(carboxymethyl)-n-(phosphonomethyl)-glycine N-(phosphonomethyl)iminodiacetic acid hydrate N-(PHOSPHONOMETHYL)IMINODIACETIC ACID MONOHYDRATE
CAS	5994-61-6
EINECS	227-824-5
InChI	InChI=1/C5H10NO7P/c7-4(8)1-6(2-5(9)10)3-14(11,12)13/h1-3H2,(H,7,8)(H,9,10)(H2,11,12,13)

n-(carboxymethyl)-n-(phosphonomethyl)-glycine - Physico-chemical Properties

Molecular Formula	C5H10NO7P
Molar Mass	227.11
Density	1.792g/cm³
Melting Point	215℃ (dec.)
Boling Point	585.9°C at 760 mmHg
Flash Point	308.2°C
Water Solubility	insoluble to water
Vapor Presure	3.01E-15mmHg at 25°C
Appearance	Diglyphosate is a white loose powder, insoluble in water.
pKa	0.90±0.10(Predicted)
Storage Condition	2-8℃
Refractive Index	1.577
Physical and Chemical Properties	Melting point 215°C (dec.)
Use	It is the main raw material for the production of broad-spectrum post-emergence herbicides, and is also an important intermediate in pesticide, medicine, rubber, electroplating and dye industries.

n-(carboxymethyl)-n-(phosphonomethyl)-glycine - Risk and Safety

Hazard Symbols	C - Corrosive
Risk Codes	R34 - Causes burns
Safety Description	S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.)
UN IDs	UN 3261 8/PG 3
WGK Germany	1

n-(carboxymethyl)-n-(phosphonomethyl)-glycine - Upstream Downstream Industry

Raw Materials	IMINODIACETIC ACID DISODIUM SALT HYDRATE Diethylamine hydrochloride
Downstream Products	Glyphosate GLYPHOSATE-N-METHYL Formaldehyde

n-(carboxymethyl)-n-(phosphonomethyl)-glycine - Production method

its preparation method is to add sodium iminodiacetate salt to excessive hydrochloric acid to generate iminodiacetic acid hydrochloride, dehydrate at high temperature, then add phosphorous acid and dropwise formaldehyde, after dropwise addition, add liquid alkali dropwise, stir and crystallize.

Last Update：2024-04-10 22:29:15

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