139-13-9 structure, C6H9NO6
nitrilotriacetic acid
CAS No.: 139-13-9 Formula: C6H9NO6 Molecular Weight: 191.13900
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nitrilotriacetic acid

CAS No.:

139-13-9

Formula:

C6H9NO6

Molecular Weight: 191.13900
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Description

Nitrilotriacetic acid (NTA) is the aminopolycarboxylic acid with the formula N(CH2CO2H)3. It is a colourless solid that is used as a chelating agent, which forms coordination compounds with metal ions (chelates) such as Ca2+, Cu2+, and Fe3+.

Numbering system

EINECS number 205-355-7
RTECS number AJ0175000
PubChem number 24897916
BRN number 1710776
MDL number MFCD00004287

Properties

Appearance & Physical State

white powder

Density

1.61 g/cm3

Boiling Point

498.2ºCat 760 mmHg

Melting Point

246ºC

Flash Point

100ºC

Water Solubility

Insoluble.

Stability

Stable under normal temperatures and pressures.

Storage Condition

Store at RT.

Safety Info

RTECS

AJ0175000

Hazard Class

8

Safety Statements

S26-S36/37/39-S45

HS Code

29224995

WGK Germany

2

Packing Group

II

RIDADR

UN 2811

Risk Statements

R22; R36/37/38; R40

Hazard Codes

Xn

Hazard Declaration

H319; H351

Caution Statement

P281; P305 + P351 + P338

Signal Word

Warning

Symbol

GHS07, GHS08
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