Nitrilotriacetic acid (CAS 139-13-9) — formula C6H9NO6, molecular weight 191.14; category organic chemicals.
Nitrilotriacetic acid (CAS 139-13-9) is a chemical raw material in the organic chemicals category. Its molecular formula C6H9NO6 comprises 6 C, 9 H, 1 N, 6 O atoms. Its molecular weight is about 191.14. Reported physicochemical data: melting point around 242 °C dec, LogP about -3.8. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 139-13-9 |
|---|---|
| Molecular Formula | C6H9NO6 |
| Molecular Weight | 191.14 |
| Melting Point | 242 °C dec |
| LogP | -3.8 |
| Category | Organic Chemicals |
Nitrilotriacetic acid is a carbon-based organic compound with CAS registry number 139-13-9 and molecular formula C6H9NO6 (molecular weight 191.14), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 139-13-9
Its molecular formula C6H9NO6 comprises 6 C, 9 H, 1 N, 6 O atoms.
Also known as: Nitrilotriacetic acid · 次氮基三乙酸
Category: organic chemicals
The CAS registry number of Nitrilotriacetic acid is 139-13-9.
Molecular formula C6H9NO6, molecular weight 191.14.
It is also registered under: Nitrilotriacetic acid, 次氮基三乙酸.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Nitrilotriacetic acid (CAS 139-13-9), compiled from public chemistry databases.
| CAS Registry Number | 139-13-9 |
|---|---|
| PubChem CID | 8758 |
| Molecular formula | C6H9NO6 |
| IUPAC name | 2-[bis(carboxymethyl)amino]acetic acid |
| UNII (FDA) | KA90006V9D |
| Molecular Weight | 191.14 |
|---|---|
| XLogP3 | -3.2 |
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 6 |
| Exact Mass | 191.04298701 |
| Monoisotopic Mass | 191.04298701 |
| Topological Polar Surface Area | 115 |
| Heavy Atom Count | 13 |
| Melting Point | 242 °C dec |
|---|---|
| Solubility | In water, 5.91X10+4 mg/L at 25 °C |
| Vapor Pressure | 0.00000001 [mmHg] |
| LogP | -3.8 |
| Decomposition | 242 °C |
| Dissociation Constants | pK1 = 3.03, pK2 = 3.07, pK3 = 10.70 at 20 °C |
NITRILOTRIACETIC ACID; 139-13-9; Triglycollamic acid; N,N-Bis(carboxymethyl)glycine; Aminotriacetic acid; 2-[bis(carboxymethyl)amino]acetic acid; Trilon A; Versene NTA acid; Hampshire NTA acid; Komplexon I; Titriplex I; Nitriloacetate; Nitrilotriessigsaeure; Glycine, N,N-bis(carboxymethyl)-; Tri(carboxymethyl)amine; Acetic acid, nitrilotri-
| GHS notification summary | 11.6% (58 / 500) |
|---|
| GHS notification summary | 11.6% (58 / 500) |
|---|---|
| Reported hazard statements | H302 (22.4%), H319 (83%), H351 (67%), H320, H373, H402, H411, H315 |
This chemical does not meet GHS hazard criteria for 11.6% (58 of 500) of reports.
H302 (22.4%): Harmful if swallowed [Warning Acute toxicity, oral]
Nitrilotriacetic acid · CAS 139-13-9 · C6H9NO6. UNII KA90006V9D. Melting Point: 242 °C dec; Solubility: In water, 5.91X10+4 mg/L at 25 °C; Vapor Pressure: 0.00000001 [mmHg].
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 次氮基三乙酸