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Mercury(2+) NTA

HCID 40623
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Basic information

CAS
53113-61-4
Standard SMILES
O=C([O-])CN(CC(=O)[O-])CC(=O)O.[Hg+2]
InChIKey
OSAAFARUUMOURR-UHFFFAOYSA-L
Molecular formula
C6H7HgNO6
Average molar mass
389.71 g/mol
Monoisotopic mass
390.997981

Names & identifiers

Preferred name
Mercury(2+) NTA
IUPAC
2-[carboxylatomethyl(carboxymethyl)amino]acetate;mercury(2+)

Names & synonyms

Mercury(2+) NTAmercuric nitrilotriacetateUNII-556IIL2XTT556IIL2XTTHSDB 131153113-61-4DTXSID50201207MERCURIC NITRILOTRIACETATE [HSDB]MERCURATE(1-), (N,N-BIS((CARBOXY-.KAPPA.O)METHYL)GLYCINATO(3-)-.KAPPA.N,.KAPPA.O)-, HYDROGEN, (T-4)-RefChem:201624DTXCID10123698MERCURATE(1-), (N,N-BIS((CARBOXY-KAPPAO)METHYL)GLYCINATO(3-)-KAPPAN,KAPPAO)-, HYDROGEN, (T-4)-
Show more names
Mercurate(1-), (N,N-bis(carboxymethyl)glycinato(3-)-N,O,O',O'')-, hydrogen, (T-4)-Q27261286Mercury [(carboxylatomethyl)(carboxymethyl)amino]acetate

Database identifiers

CAS
53113-61-4
PubChem CID
40623
DTXSID
DTXSID50201207
UNII
556IIL2XTT

Properties

Computed structural properties

Topological polar surface area
121 Ų
Hydrogen bond donors
1
Hydrogen bond acceptors
7
Rotatable bonds
4
Heavy atoms
14
Formal charge
0
Complexity
198

Experimental & physicochemical properties

Chemical ClassesMetals -> Organic Acids, Metal Salts

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

Hazard information

Hazards Summary · 1 item

There is inadequate evidence in humans for the carcinogenicity of nitrilotriacetic acid and its salts. [IARC] NTA complexes of mercury, cadmium, and nickel degrade more slowly than complexes of lead, zinc, and iron; Undegraded NTA may accumulate in the environment; [HSDB] See Mercury, inorganic compounds and the linked occupational disease.

RCRA Requirements · 1 item

D009; A solid waste containing mercury may or may not become characterized as a hazardous waste when subjected to the Toxicity Characteristic Leaching Procedure listed in 40 CFR 261.24, and if so characterized, must be managed as a hazardous waste. /Mercury/

OSHA Standards · 3 items

Permissible Exposure Limit: Table Z-2 8-hr Time Weighted Avg: 0.01 mg/cu m. /Organo alkyl mercury/

Permissible Exposure Limit: Table Z-2 Acceptable Ceiling Concentration: 0.04 mg/cu m. /Organo alkyl mercury/

Vacated 1989 OSHA PEL TWA 0.01 mg/cu m; STEL 0.03 mg/cu m, skin designation, is still enforced in some states. /Mercury (organo) alkyl compounds, as Hg/

Atmospheric Standards · 1 item

Listed as a hazardous air pollutant (HAP) generally known or suspected to cause serious health problems. The Clean Air Act, as amended in 1990, directs EPA to set standards requiring major sources to sharply reduce routine emissions of toxic pollutants. EPA is required to establish and phase in specific performance based standards for all air emission sources that emit one or more of the listed pollutants. Mercury (2+) NTA is included on this list.

EPA Hazardous Waste Number · 1 item

D009; Mercury. A waste containing mercury may or may not be characterized as a hazardous waste following testing by the Toxicity Characteristic Leaching Procedure as prescribed by the Resource Conservation and Recovery Act (RCRA) regulations. /Mercury/

NIOSH Recommendations · 2 items

Related reactions

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Compound notes

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Recommended Exposure Limit: 10 Hr Time-Weighted Avg: 0.01 mg/cu m. /Mercury (organo) alkyl compounds (as Hg)/

Recommended Exposure Limit: 15 Min Short-Term Exposure Limit: 0.03 mg/cu m. /Mercury (organo) alkyl compounds (as Hg)/

Clean Water Act RequirementsToxic pollutant designated pursuant to section 307(a)(1) of the Federal Water Pollution Control Act and is subject to effluent limitations. /Mercury and cmpd/
State Drinking Water Guidelines(AZ) ARIZONA 3 ug/l /Mercury/
Federal Drinking Water StandardsEPA 2 ug/l /Mercury/
Federal Drinking Water GuidelinesEPA 2 ug/l /Mercury/

Safety & protection

Disposal Methods · 1 item

SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.

Threshold Limit Values (TLV)8 hr Time Weighted Avg (TWA): 0.01 mg/cu m; 15 min Short Term Exposure Limit (STEL): 0.03 mg/cu m, skin. /Mercury, alkyl compounds, as Hg/
Immediately Dangerous to Life or Health (IDLH)2 mg/cu m (as Hg) /Mercury (organo) alkyl compounds (as Hg)/

Toxicology

Environmental Fate · 1 item

AQUATIC FATE: The ability of NTA to form stable and soluble complexes with metals, particularly cadmium and mercury, has raised concern about mobilization, release, and redistribution of such complexes, which may be taken up by various trophic levels in the aquatic ecosystem and result in adverse ecological effects.

Adverse EffectsNeurotoxin - Sensorimotor
Environmental BiodegradationIn general, NTA complexes of mercury ... can be expected to degrade much more slowly than those of nickel, zinc, and iron.

Regulatory information

RCRA Requirements · 1 item

D009; A solid waste containing mercury may or may not become characterized as a hazardous waste when subjected to the Toxicity Characteristic Leaching Procedure listed in 40 CFR 261.24, and if so characterized, must be managed as a hazardous waste. /Mercury/

Atmospheric Standards · 1 item

Listed as a hazardous air pollutant (HAP) generally known or suspected to cause serious health problems. The Clean Air Act, as amended in 1990, directs EPA to set standards requiring major sources to sharply reduce routine emissions of toxic pollutants. EPA is required to establish and phase in specific performance based standards for all air emission sources that emit one or more of the listed pollutants. Mercury (2+) NTA is included on this list.

Clean Water Act RequirementsToxic pollutant designated pursuant to section 307(a)(1) of the Federal Water Pollution Control Act and is subject to effluent limitations. /Mercury and cmpd/
State Drinking Water Guidelines(AZ) ARIZONA 3 ug/l /Mercury/
Federal Drinking Water StandardsEPA 2 ug/l /Mercury/
Federal Drinking Water GuidelinesEPA 2 ug/l /Mercury/