次氮基三乙酸三钠

Description

nitrilotriacetic acid trisodium · CAS 5064-31-3 · C6H6NO6Na3. UNII E3C8R2M0XD.

Identification

CAS Registry Number	5064-31-3
PubChem CID	21152
Molecular formula	C6H6NO6Na3
IUPAC name	trisodium;2-[bis(carboxylatomethyl)amino]acetate
UNII (FDA)	E3C8R2M0XD

Computed Descriptors

Molecular Weight	257.08
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	7
Rotatable Bond Count	3
Exact Mass	256.98881976
Monoisotopic Mass	256.98881976
Topological Polar Surface Area	124
Heavy Atom Count	16
Formal Charge	0
Complexity	171

Physical description & handling notes

• Liquid; Dry Powder; Liquid
• White solid; [ICSC] Colorless or white solid; Slightly hygroscopic; [CHEMINFO]
• WHITE CRYSTALLINE POWDER.
• Solubility in water, g/100ml at 20 °C: 93
• -2.62 (calculated)
• When heated to decomposition it emits toxic fumes of /nitrogen oxides, and disodium oxide/.

Regulatory Status

Regulatory & Food Contact	FDA Substance added to food: BOILER WATER ADDITIVE

GHS Hazard Classification

Reported hazard statements	H302, H319, H351, H290 (10.3%), H371, H373, H402

Documented Uses

• Used as chelating agent in bleaching and as a sequestrant builder; Also used in tanning, synthetic rubber, textiles, pharmaceuticals, low phosphate and phosphate-free detergents, and in boiler-water treatment; [HSDB] Used for extraction, refining, and processing of metals; in the paper-pulp-board industry; and as an additive to construction materials; [IUCLID]
• Pulp and Paper Processing [Category: Industry]
• Textiles (Fiber & Fabric Manufacturing) [Category: Industry]
• Leather Tanning and Processing [Category: Industry]
• Metal Extraction and Refining [Category: Industry]
• CHELATING AGENT IN BLEACHING, SYNTHETIC RUBBER, TANNING, TEXTILES, PHARMACEUTICALS

Synonyms

TRISODIUM NITRILOTRIACETATE; 5064-31-3; Nitrilotriacetic acid trisodium salt; Trisodium NTA; Hampshire NTA; Ntana3; Sodium nitrilotriacetate; NTA Trisodium salt; Syntron A; Trisodium aminotriacetate; Masquol np 140; Versene NTA 150; Versene NTA 335; Hampshire NTA 150; Chemcolox 365 powder; Nitrilotriacetic acid, trisodium salt

Frequently Asked Questions

What are the CAS number and molecular formula of nitrilotriacetic acid trisodium?

CAS 5064-31-3; molecular formula C6H6NO6Na3; molecular weight — g/mol.

What other names is nitrilotriacetic acid trisodium known by?

TRISODIUM NITRILOTRIACETATE, 5064-31-3, Nitrilotriacetic acid trisodium salt, Trisodium NTA, Hampshire NTA, Ntana3.

What is the regulatory status of nitrilotriacetic acid trisodium?

Documented regulatory listings: FDA Substance added to food: BOILER WATER ADDITIVE.

Is nitrilotriacetic acid trisodium classified as hazardous?

Hazard statements reported: H302, H319, H351, H290, H371.

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.