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HomeProduct name listPHENYLMERCURIC ACETATE

PHENYLMERCURIC ACETATE

Synonym(s):Mercury phenyl acetate;Phenylmercury acetate

  • CAS NO.:62-38-4
  • Empirical Formula: C8H8HgO2
  • Molecular Weight: 336.74
  • MDL number: MFCD00008691
  • EINECS: 200-532-5
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-05-04 17:34:40
PHENYLMERCURIC ACETATE Structural

What is PHENYLMERCURIC ACETATE?

Chemical properties

white crystalline powder

Chemical properties

Phenylmercury acetate is a white or yellow crystalline solid.

Chemical properties

Phenylmercuric acetate occurs as a white to creamy white, odorless or almost odorless, crystalline powder or as small white prisms or leaflets.

The Uses of PHENYLMERCURIC ACETATE

Phenylmercuric acetate is used as catalyst; fungicide; herbicide; algicide; preservative in antibiotic eye drops, eye cosmetics, shampoos, etc.

The Uses of PHENYLMERCURIC ACETATE

antiulcer

The Uses of PHENYLMERCURIC ACETATE

Herbicide; fungicide.

Production Methods

Phenylmercuric acetate is readily formed by heating benzene with mercuric acetate.

Definition

ChEBI: Phenylmercury acetate is an arylmercury compound and a member of benzenes.

General Description

Small lustrous prisms. Toxic by ingestion, inhalation and skin absorption. May severely irritate skin and eyes. Used as an herbicide and fungicide. as such, is mixed with organic solvent for the purpose of application.

Reactivity Profile

PHENYLMERCURIC ACETATE may react with strong oxidizing agents .

Health Hazard

Extremely toxic. The probable oral lethal dose for humans is 5-50 mg/kg, between 7 drops and 1 teaspoonful for a 70 kg (150 lb.) person.

Fire Hazard

Fire may produce irritating or poisonous gases. When heated to decomposition, very toxic mercuric fumes may be given off. Phenylmercuric ion is incompatible with halides, with which precipitates are formed.

Pharmaceutical Applications

Phenylmercuric acetate is used as an alternative antimicrobial preservative to phenylmercuric borate or phenylmercuric nitrate in a limited range of cosmetics (in concentrations not exceeding 0.007% of mercury calculated as the metal) and pharmaceuticals. It may be used in preference to phenylmercuric nitrate owing to its greater solubility.
Phenylmercuric acetate is also used as a spermicide;

Safety Profile

Poison by ingestion, intravenous, intraperitoneal, subcutaneous, and possibly other routes. An experimental teratogen. Other experimental reproductive effects. Mutation data reported. See also MERCURY COMPOUNDS. When heated to decomposition it emits toxic fumes of Hg.

Safety

Phenylmercuric acetate is mainly used as an antimicrobial preservative in topical pharmaceutical formulations. A number of adverse reactions to mercury-containing preservatives have been reported; see Phenylmercuric Nitrate.
LD50 (chicken, oral): 60 mg/kg
LD50 (mouse, IP): 13 mg/kg
LD50 (mouse, IV): 18 mg/kg
LD50 (mouse, oral): 13 mg/kg
LD50 (mouse, SC): 12 mg/kg
LD50 (rat, oral): 41 mg/kg

Potential Exposure

Phenylmercury acetate is used as an antiseptic, fungicide; for fungal and bacterial control; herbicide and control of crabgrass; mildewcide for paints; slimicide in paper mills. It was also used in contraceptive gels and foams.

Environmental Fate

If released into air, soil, or water, phenylmercuric acetate is unlikely to volatilize and is instead expected to be bound to particulates based on a low vapor pressure (6 × 10-6 mm Hg) and low Henry’s constant (5.66 × 10-10 atmm3 mol -1). Photolysis has the potential to degrade phenylmercuric acetate, releasing inorganic mercury which can volatilize and enter the atmosphere from superficial soils or water. If released into soil, the mobility of parent phenylmercuric acetic acid is expected to be high based on a Koc of 60. Water releases would result in quick dispersion since water solubility is high (4370 mg l-1). Once in solution, especially with harder water, it will dissociate into a salt. The cation will adsorb to particulates or humics suspended in the water column or in sediment, with little bioconcentration in aquatic species.

storage

As for other phenylmercuric salts; see Phenylmercuric Nitrate.
Phenylmercuric acetate should be stored in a well-closed container, protected from light, in a cool, dry place.

Shipping

UN1674 Phenylmercuric acetate, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.

Purification Methods

It forms small colourless lustrous prisms from EtOH. Its solubility in H2O is 0.17%, but it is more soluble in EtOH, Me2CO and *C6H6. [Maynard J Am Chem Soc 46 1510 1925, Coleman et al. J Am Chem Soc 59 2703 1937, J Am Pharm Assoc 25 752 1936, Beilstein 16 IV 1720.] See PhHgOH below.

Toxicity evaluation

Toxic effects of phenylmercuric acetate are correlated with its rapid metabolic breakdown into the mercuric ion. Generally, mercury interferes with cellular enzymatic mechanisms by combining with sulfhydryl (–SH) groups of different enzymes and thereby produces nonspecific cell injury or death.

Incompatibilities

A strong reducing agent. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides, halogens.

Incompatibilities

As for other phenylmercuric salts; see Phenylmercuric Nitrate.
Incompatible with: halides; anionic emulsifying agents and suspending agents; tragacanth; starch; talc; sodium metabisulfite; sodium thiosulfate; disodium edetate; silicates; aluminum and other metals; amino acids; ammonia and ammonium salts; sulfur compounds; rubber; and some plastics.
Phenylmercuric acetate is reported to be incompatible with cefuroxime and ceftazidime.

Waste Disposal

Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform with EPA regulations governing storage, transportation, treatment, and waste disposal. React to produce soluble nitrate form, precipitate as mercuric sulfide. Return to supplier.

Regulatory Status

Included in the FDA Inactive Ingredients Database (ophthalmic ointments; topical emulsions/creams; vaginal emulsions/creams). Included in the Canadian List of Acceptable Non-medicinal Ingredients (ophthalmic, nasal and otic preparations up to 0.004%; there must be no other suitable alternative preservative available).
Phenylmercuric acetate is no longer permitted to be used as a pesticide in the USA. Its use in cosmetic products in the USA is limited to eye area cosmetics at not more than 0.0065% provided that there is no other suitable available preservative. It is specifically prohibited in vaginal contraceptive drug products and antimicrobial diaper rash drug products in the USA. Phenylmercuric compounds are prohibited from use in cosmetic products in Canada.
In Europe, use in cosmetic products is limited to eye makeup and eye makeup remover at concentrations not exceeding 0.007% mercury alone or in combination with other permitted mercurial compounds.In France, a maximum concentration of 0.01% is permitted for use in pharmaceuticals. The use of mercurial compounds in cosmetics in Japan is limited to concentrated shampoo or cream at not more than 0.003% Hg and eye makeup at not more than 0.0065% Hg.

Properties of PHENYLMERCURIC ACETATE

Melting point: 148-151 °C(lit.)
Density  2,4 g/cm3
storage temp.  APPROX 4°C
solubility  Slightly soluble in water, soluble in acetone and in alcohol.
form  Powder
color  white
Specific Gravity 2.4
Odor Acetic acid odor
Water Solubility  Soluble in alcohol, benzene and glacial acetic acid. Slightly soluble in water.
Merck  14,7300
Stability: Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference 62-38-4(CAS DataBase Reference)
EPA Substance Registry System Phenylmercury acetate (62-38-4)

Safety information for PHENYLMERCURIC ACETATE

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
ghs
Skull and Crossbones
Acute Toxicity
GHS06
ghs
Health Hazard
GHS08
ghs
Environment
GHS09
GHS Hazard Statements H300:Acute toxicity,oral
H314:Skin corrosion/irritation
H372:Specific target organ toxicity, repeated exposure
H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P260:Do not breathe dust/fume/gas/mist/vapours/spray.
P273:Avoid release to the environment.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for PHENYLMERCURIC ACETATE

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