Nitrooxy(phenyl)mercury

C6H5HgNO3

nitrooxy(phenyl)mercury

CAS55-68-5
GHS06 Gefahrensymbol: Giftig – Totenkopf mit Knochen
GHS08 Gefahrensymbol: Gesundheitsgefahr – Gesundheitsgefahr
GHS05 Gefahrensymbol: Ätzend – Ätzwirkung
GHS09 Gefahrensymbol: Umweltgefährlich – Umwelt
Danger

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Identification

CAS Number
55-68-5
EC Number
200-242-9
UN Number
1895
Index Number
080-008-00-9
PubChem CID
16682924

Physical-chemical properties

Molecular Formula
C6H5HgNO3
Molar Mass
339.70 g/mol
IUPAC Name
nitrooxy(phenyl)mercury

Chemical Identifiers

InChI
InChI=1S/C6H5.Hg.NO3/c1-2-4-6-5-3-1;;2-1(3)4/h1-5H;;/q;+1;-1
InChI Key
PDTFCHSETJBPTR-UHFFFAOYSA-N

Overview

Nitrooxy(phenyl)mercury (CAS 55-68-5) is an organomercury compound featuring a phenyl group and nitrate functionality with high toxicity and environmental persistence. This specialized organometallic compound, with molecular formula C6H5HgNO3 and molecular weight 339.7 g/mol, represents a significant chemical hazard requiring expert handling protocols. The substance combines the inherent toxicity of mercury compounds with the reactivity of organic nitrates, creating a material that demands stringent safety measures throughout its lifecycle. Its European classification under EC number 200-242-9 reflects comprehensive regulatory oversight due to its acute toxicity, organ damage potential, and severe environmental impact. The compound exhibits multiple hazard classifications including Acute Toxicity Category 3, Specific Target Organ Toxicity (Repeated Exposure) Category 1, and Skin Corrosion Category 1B. Its aquatic toxicity classification as both Acute and Chronic Category 1 underscores the environmental persistence typical of organomercury compounds. Transport regulations classify it under ADR Class 6.1, requiring specialized logistics and documentation. Primary industrial applications include specialized catalytic processes in fine chemical synthesis, particularly in pharmaceutical intermediates where its unique reactivity profile provides synthetic advantages. The compound also finds use in certain analytical chemistry applications and as a reagent in organometallic research. Like related organomercury compounds such as acetyloxy(phenyl)mercury, it serves niche roles where conventional catalysts prove insufficient. Professional handling requires comprehensive personal protective equipment, controlled atmosphere conditions, and specialized waste management protocols. Environmental release prevention remains paramount given its bioaccumulative properties and aquatic toxicity profile. OYSI maintains availability of nitrooxy(phenyl)mercury for qualified industrial customers with appropriate handling capabilities and regulatory compliance frameworks.

Safety & Classification

Danger
Classification:

Acute Tox. 3 *; STOT RE 1; Skin Corr. 1B; Aquatic Acute 1; Aquatic Chronic 1

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H301

Toxic if swallowed.

H372

Causes damage to organs through prolonged or repeated exposure.

H314

Causes severe skin burns and eye damage.

H400

Very toxic to aquatic life.

H410

Very toxic to aquatic life with long lasting effects.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Skin Contact

Harmful

Measures if substance contacts the skin

First Aid Actions

  • +P302IF ON SKIN:
  • +P352Wash with plenty of water.
  • +P361Take off immediately all contaminated clothing.
  • +P313Get medical advice/attention.

Related hazard statements:

Eye Contact

Harmful

Measures if substance gets into the eyes

First Aid Actions

  • +P305IF IN EYES:
  • +P351Rinse cautiously with water for several minutes.
  • +P338Remove contact lenses, if present and easy to do. Continue rinsing.
  • +P313Get medical advice/attention.

Related hazard statements:

Ingestion

Toxic

Measures if substance is accidentally swallowed

First Aid Actions

  • +P301IF SWALLOWED:
  • +P330Rinse mouth.
  • +P331Do NOT induce vomiting.
  • +P310Immediately call a POISON CENTER/doctor.

Related hazard statements:

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Transport (ADR)

UN Number1895
ADR Class6.1
Packing GroupII
Tunnel CodeD/E
Proper Shipping NamePhenylquecksilber(II)nitrat
Marine PollutantNo

Frequently Asked Questions

What is nitrooxy(phenyl)mercury?

Nitrooxy(phenyl)mercury is an organomercury compound with the chemical formula C6H5HgNO3 and CAS number 55-68-5. This substance combines a phenyl group with mercury and a nitrooxy functional group, resulting in a molecular weight of 339.7 g/mol. It is classified as highly hazardous due to its mercury content, presenting significant toxicological risks including acute toxicity, skin corrosion, and environmental dangers to aquatic life.

What are the physicochemical properties of nitrooxy(phenyl)mercury?

Nitrooxy(phenyl)mercury is typically a solid crystalline compound at room temperature, though specific physical properties like color and odor may vary depending on purity and crystalline form. As an organomercury compound, it likely has limited water solubility but may dissolve in organic solvents. The compound's stability and exact physical characteristics should be confirmed through material safety data sheets due to its hazardous nature.

What is nitrooxy(phenyl)mercury used for?

Nitrooxy(phenyl)mercury is primarily used in specialized research applications and as a laboratory reagent in organometallic chemistry studies. Due to its high toxicity and environmental hazards, its commercial applications are extremely limited and strictly regulated. It may be used in very specific analytical procedures or as a reference standard in mercury analysis. Most applications involving this compound are restricted to controlled laboratory environments with appropriate safety measures.

How to handle nitrooxy(phenyl)mercury safely?

Nitrooxy(phenyl)mercury requires extreme safety precautions due to its acute toxicity and corrosive properties. Essential protective equipment includes chemical-resistant gloves, safety goggles, and full face protection against skin contact. Work must be conducted in well-ventilated areas or fume hoods to prevent inhalation. Avoid all skin and eye contact, and ensure emergency shower and eyewash stations are readily accessible. Only trained personnel should handle this substance.

How to store nitrooxy(phenyl)mercury correctly?

Nitrooxy(phenyl)mercury must be stored in tightly sealed, chemically compatible containers in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Storage areas should be clearly labeled and access restricted to authorized personnel only. The storage location must comply with local regulations for mercury compounds and toxic substances. Regular container inspection is essential to prevent leaks that could cause environmental contamination.

What to do in case of contact with nitrooxy(phenyl)mercury?

Immediate action is critical for any contact with nitrooxy(phenyl)mercury. For skin contact, immediately remove contaminated clothing and flush affected areas with large amounts of water for at least 15 minutes, then seek immediate medical attention. For eye contact, rinse continuously with water and get emergency medical care. If inhaled, move to fresh air immediately and seek medical attention. Always contact poison control and inform medical personnel about mercury exposure.

How to dispose of nitrooxy(phenyl)mercury properly?

Nitrooxy(phenyl)mercury requires specialized hazardous waste disposal through licensed waste management companies experienced in mercury compound handling. Never dispose of this substance through regular waste streams or down drains due to severe environmental toxicity. Disposal must comply with local and international regulations for mercury-containing waste. Contact certified hazardous waste disposal services and provide complete material identification for proper treatment and disposal procedures.

How to transport nitrooxy(phenyl)mercury?

Nitrooxy(phenyl)mercury is classified under ADR Class 6.1 (toxic substances) with Packing Group II, indicating high toxicity requiring specific transport protocols. Transportation must comply with dangerous goods regulations including proper packaging, labeling with GHS pictograms (GHS06, GHS08, GHS05, GHS09), and appropriate shipping documentation. Only certified carriers experienced in toxic substance transport should handle shipments, with emergency response information readily available.

Is nitrooxy(phenyl)mercury subject to specific regulations?

Nitrooxy(phenyl)mercury is subject to strict regulations under REACH, CLP, and mercury-specific legislation due to its high toxicity and environmental impact. The compound falls under multiple hazard classifications including acute toxicity, skin corrosion, and aquatic toxicity. Its use, import, and distribution are heavily regulated across European jurisdictions. Companies handling this substance must maintain detailed records and comply with notification requirements for mercury-containing compounds.

Where to buy nitrooxy(phenyl)mercury in Europe?

Nitrooxy(phenyl)mercury is available through OYSI, a specialized European distributor of technical chemicals with expertise in handling hazardous substances. Due to the compound's high toxicity and regulatory restrictions, purchases require proper documentation, end-use declarations, and compliance with mercury compound regulations. OYSI ensures proper packaging, documentation, and transport arrangements meeting all safety and legal requirements for this controlled substance across European markets.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.