N,N-双(羧基甲基)-L-谷氨酸四钠

Description

tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate · CAS 51981-21-6 · C9H9NNa4O8. UNII 5EHL50I4MY.

Identification

CAS Registry Number	51981-21-6
PubChem CID	44630158
Molecular formula	C9H9NNa4O8
IUPAC name	tetrasodium;(2S)-2-[bis(carboxylatomethyl)amino]pentanedioate
UNII (FDA)	5EHL50I4MY

Computed Descriptors

Molecular Weight	351.13
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	9
Rotatable Bond Count	5
Exact Mass	350.99189337
Monoisotopic Mass	350.99189337
Topological Polar Surface Area	164
Heavy Atom Count	22
Formal Charge	0
Complexity	314

Physical description & handling notes

• Liquid; Other Solid; Dry Powder; CBI

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Cosmetic ingredients (Tetrasodium Glutamate Diacetate) -> CIR (Cosmetic Ingredient Review)
GHS notification summary	67.1% (165 / 246)

GHS Hazard Classification

GHS notification summary	67.1% (165 / 246)
Reported hazard statements	H290 (22.8%), H319 (31.7%), H335 (22.4%)

Documented Uses

• CIR ingredient: Tetrasodium Glutamate Diacetate
• EPA Safer Chemical Functional Use Classes -> Chelating Agents
• Safer Chemical Classes -> Green circle - The chemical has been verified to be of low concern
• Not Known or Reasonably Ascertainable
• Information on 135 consumer products that contain Tetrasodium Glutamate Diacetate in the following categories is provided:
• 2023: 50,000,000 - <100,000,000 lb

Synonyms

51981-21-6; tetrasodium glutamate diacetate; UNII-5EHL50I4MY; 5EHL50I4MY; Tetrasodium N,N-Bis(carboxymethyl)-L-glutamate; Tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate; EINECS 257-573-7; DISSOLVINE GL; CHELEST CMG-40; EC 257-573-7; L-Glutamic acid, N,N-bis(carboxymethyl)-, sodium salt (1:4); DTXSID2052158; L-Glutamic acid, N,N-bis(carboxymethyl)-, tetrasodium salt; GLUTAMIC ACID N,N-DIACETIC ACID SODIUM SALT; N,N-BIS(CARBOXYMETHYL)GLUTAMIC ACID TETRASODIUM SALT; L-GLUTAMIC ACID-N,N-DI(ACETIC ACID) TETRASODIUM SALT

Frequently Asked Questions

What are the CAS number and molecular formula of tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate?

CAS 51981-21-6; molecular formula C9H9NNa4O8; molecular weight — g/mol.

What other names is tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate known by?

51981-21-6, tetrasodium glutamate diacetate, UNII-5EHL50I4MY, 5EHL50I4MY, Tetrasodium N,N-Bis(carboxymethyl)-L-glutamate, Tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate.

What is the regulatory status of tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate?

Documented regulatory listings: CIR / INCI: Cosmetic ingredients (Tetrasodium Glutamate Diacetate) -> CIR (Cosmetic Ingredient Review).

Is tetrasodium N,N-bis(carboxylatomethyl)-L-glutamate classified as hazardous?

67.1% of GHS notifications report no hazard classification (165 of 246).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.