Acetyloxy(phenyl)mercury

C8H8HgO2

acetyloxy(phenyl)mercury

CAS62-38-4
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
62-38-4
EC Number
200-532-5
UN Number
1674
Index Number
080-011-00-5
PubChem CID
16682730

Physical-chemical properties

Molecular Formula
C8H8HgO2
Molar Mass
336.74 g/mol
IUPAC Name
acetyloxy(phenyl)mercury

Chemical Identifiers

InChI
InChI=1S/C6H5.C2H4O2.Hg/c1-2-4-6-5-3-1;1-2(3)4;/h1-5H;1H3,(H,3,4);/q;;+1/p-1
InChI Key
XEBWQGVWTUSTLN-UHFFFAOYSA-M

Overview

Acetyloxy(phenyl)mercury (CAS 62-38-4) is an organomercury compound with highly toxic properties and significant environmental hazards. This organomercurial substance represents a class of chemical compounds where mercury is covalently bonded to organic groups, specifically featuring both phenyl and acetate functional groups. With the molecular formula C8H8HgO2 and a molecular weight of 336.74 g/mol, acetyloxy(phenyl)mercury exhibits the characteristic properties of organomercury compounds, including high toxicity and environmental persistence. The compound is classified under multiple hazard categories, reflecting its severe health and environmental risks with acute toxicity category 3, specific target organ toxicity for repeated exposure category 1, and severe skin corrosion properties. The substance's hazard profile necessitates extreme caution in handling and storage, as indicated by its "Danger" signal word and multiple GHS pictograms including skull and crossbones, health hazard, corrosion, and environmental hazard symbols. Its ADR classification as class 6.1 further emphasizes the toxic nature requiring specialized transportation protocols. Like other organomercury compounds such as chloro(2-methoxyethyl)mercury, this substance poses significant bioaccumulation risks in aquatic environments, earning both acute and chronic aquatic toxicity classifications. Industrial applications of acetyloxy(phenyl)mercury are highly regulated due to its toxicity profile. Historically, organomercury compounds have been utilized in specialized chemical synthesis processes, analytical chemistry applications, and as catalysts in certain organic transformations. However, contemporary usage is extremely limited due to environmental and health concerns, with many applications being phased out in favor of safer alternatives. OYSI maintains strict protocols for the handling and distribution of high-hazard organomercury compounds, ensuring full regulatory compliance and customer safety throughout the supply chain.

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 Number1674
ADR Class6.1
Packing GroupII
Tunnel CodeD/E
Proper Shipping NamePhenylquecksilber(II)acetat, fest
Marine PollutantNo

Frequently Asked Questions

What is acetyloxy(phenyl)mercury?

Acetyloxy(phenyl)mercury is an organomercury compound with the chemical formula C8H8HgO2 and CAS number 62-38-4. This substance has a molecular weight of 336.74 g/mol and consists of a phenyl group and an acetoxy group bonded to a mercury atom. It is classified as a highly hazardous chemical with severe toxicity properties, requiring strict handling protocols and safety measures during use.

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

Acetyloxy(phenyl)mercury is an organomercury compound that typically appears as a crystalline solid at room temperature. Like most organomercury compounds, it exhibits limited water solubility but may dissolve in organic solvents. The compound contains both aromatic and organometallic characteristics due to its phenyl-mercury bond structure, making it chemically reactive and potentially unstable under certain conditions.

What is acetyloxy(phenyl)mercury used for?

Acetyloxy(phenyl)mercury is primarily used as a specialized chemical reagent in organic synthesis and pharmaceutical research applications. Due to its organomercury structure, it may serve as a catalyst or intermediate in specific chemical transformations. However, given its high toxicity classification and environmental hazards, its industrial applications are extremely limited and subject to strict regulatory controls and safety protocols.

How to handle acetyloxy(phenyl)mercury safely?

Acetyloxy(phenyl)mercury must be handled with extreme caution using full personal protective equipment including chemical-resistant gloves, safety goggles, and respiratory protection. Work should be conducted in a well-ventilated area or fume hood due to its Acute Toxicity 3 classification. Avoid skin contact as it is classified as Skin Corrosive 1B, and implement strict contamination prevention measures to prevent exposure.

How to store acetyloxy(phenyl)mercury correctly?

Acetyloxy(phenyl)mercury should be stored in a cool, dry, well-ventilated area away from incompatible materials and heat sources. The container must be tightly sealed and properly labeled with appropriate hazard warnings. Storage areas should be equipped with spill containment measures and restricted access due to its high toxicity. Secondary containment is recommended to prevent environmental contamination in case of leakage.

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

Immediate medical attention is required for any contact with acetyloxy(phenyl)mercury due to its high toxicity and corrosive properties. For skin contact, remove contaminated clothing and flush affected area with copious amounts of water for at least 15 minutes. In case of inhalation, move to fresh air immediately. For eye contact, rinse thoroughly with water and seek emergency medical care promptly.

How to dispose of acetyloxy(phenyl)mercury appropriately?

Acetyloxy(phenyl)mercury must be disposed of as hazardous waste through licensed hazardous waste disposal companies due to its high toxicity and environmental persistence. The substance cannot be disposed of in regular waste streams or sewers. Disposal must comply with local, national, and EU waste regulations for mercury-containing compounds, requiring specialized treatment facilities capable of handling organomercury wastes safely.

How to transport acetyloxy(phenyl)mercury?

Acetyloxy(phenyl)mercury is classified under ADR Class 6.1 (Toxic substances) with Packing Group II, indicating high toxicity requiring special transport precautions. It must be packaged in UN-approved containers with proper hazard labels and documentation. Transport requires compliance with dangerous goods regulations, trained personnel, and appropriate emergency response information during shipping across European borders.

Is acetyloxy(phenyl)mercury subject to particular regulations?

Acetyloxy(phenyl)mercury is subject to strict regulations under REACH and CLP regulations due to its classification as Acute Tox. 3, STOT RE 1, and aquatic toxicity. While not currently listed as an SVHC, its organomercury nature means it faces severe restrictions under mercury-related legislation. Usage requires proper registration, safety data sheets, and compliance with occupational exposure limits and environmental protection measures.

Where to buy acetyloxy(phenyl)mercury in Europe?

Acetyloxy(phenyl)mercury can be purchased through OYSI, a European distributor of specialty chemicals, subject to strict regulatory compliance and customer qualification requirements. Due to its high hazard classification and mercury content, purchases require proper licensing, safety protocols, and legitimate research or industrial applications. OYSI ensures full regulatory compliance and provides comprehensive safety documentation with shipments.

Data Sources

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