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PHENYLMERCURIC ACETATE

6.1 - Poison
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The Chemical Identifier fields include common identification numbers, the NFPA diamond U.S. Department of Transportation hazard labels, and a general description of the chemical. The information in CAMEO Chemicals comes from a variety of data sources.
CAS Number UN/NA Number
  • 62-38-4
DOT Hazard Label USCG CHRIS Code
  • Poison
NIOSH Pocket Guide International Chem Safety Card
none
NFPA 704
Diamond Hazard Value Description
1
3 0
Blue Health 3 Can cause serious or permanent injury.
Red Flammability 1 Must be preheated before ignition can occur.
Yellow Instability 0 Normally stable, even under fire conditions.
White Special
(NFPA, 2010)
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.

The Hazard fields include special hazard alerts air and water reactions, fire hazards, health hazards, a reactivity profile, and details about reactive groups assignments and potentially incompatible absorbents. The information in CAMEO Chemicals comes from a variety of data sources.
Reactivity Alerts
none
Air & Water Reactions
No rapid reaction with air. No rapid reaction with water.

Slightly soluble in water (NTP, 1992).
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. (EPA, 1998)
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. (EPA, 1998)
Reactivity Profile
PHENYLMERCURIC ACETATE may react with strong oxidizing agents (NTP, 1992).
Belongs to the Following Reactive Group(s)
Potentially Incompatible Absorbents

No information available.

The Response Recommendation fields include isolation and evacuation distances, as well as recommendations for firefighting, non-fire response, protective clothing, and first aid. The information in CAMEO Chemicals comes from a variety of data sources.
Isolation and Evacuation
Excerpt from ERG Guide 151 [Substances - Toxic (Non-Combustible)]:

IMMEDIATE PRECAUTIONARY MEASURE: Isolate spill or leak area in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids.

SPILL: Increase the immediate precautionary measure distance, in the downwind direction, as necessary.

FIRE: If tank, rail tank car or highway tank is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions. (ERG, 2024)
Firefighting
Materials are extremely hazardous to health, but areas may be entered with extreme care. Full protective clothing, including self-contained breathing apparatus, rubber gloves, boots and bands around legs, arms, and waist should be provided. No skin should be exposed.

Use dry chemical, foam, or carbon dioxide on solution. Use water as necessary, but run-off should be limited and controlled to prevent it from entering streams or water supplies. (EPA, 1998)

If the compound is mixed with an organic liquid fight fire given the characteristics of the liquid solvent, in addition to the mercuric hazards.
Non-Fire Response
Do not touch spilled material; stop leak if you can do it without risk. Use water spray to reduce vapors.

Small spills: take up with sand or other noncombustible absorbent material and place into containers for later disposal.

Small dry spills: with clean shovel place material into clean, dry container and cover; move containers from spill area.

Large spills: dike far ahead of spill for later disposal. (EPA, 1998)
Protective Clothing
For emergency situations, wear a positive pressure, pressure-demand, full facepiece self-contained breathing apparatus (SCBA) or pressure- demand supplied air respirator with escape SCBA and a fully-encapsulating, chemical resistant suit. (EPA, 1998)
DuPont Tychem® Suit Fabrics
No information available.
First Aid
Warning: Signs and symptoms of acute exposure may occur at varying intervals up to several weeks. Keep victim under observation.

Signs and Symptoms of Acute Phenylmercury Acetate Exposure: Signs and symptoms of phenylmercury acetate exposure include increased salivation, foul breath, and inflammation and ulceration of mucous membranes. Ingestion of phenylmercury acetate results in gastrointestinal irritation with nausea, vomiting, abdominal pain, and bloody diarrhea. Phenylmercury acetate can produce severe neurologic toxicity, such as loss of feeling in lips, tongue, and extremities, visual impairment, difficulty swallowing and talking, confusion, hallucinations, irritability, loss of coordination, staggering walk, memory loss, slurred speech, auditory defects, emotional instability, and inability to concentrate. Scanty urination, suppression of urine formation, and acute renal failure may also occur. Phenylmercury acetate is also a strong skin irritant; erythema and blistering may result 6-12 hours after exposure. Contact with the eyes may also result in injury to the external surface.

Emergency Life-Support Procedures: Acute exposure to phenylmercury acetate may require decontamination and life support for the victims. Emergency personnel should wear protective clothing appropriate to the type and degree of contamination. Air-purifying or supplied-air respiratory equipment should also be worn, as necessary. Rescue vehicles should carry supplies such as plastic sheeting and disposable plastic bags to assist in preventing spread of contamination.

Inhalation Exposure:
1. Move victims to fresh air. Emergency personnel should avoid self-exposure to phenylmercury acetate.
2. Evaluate vital signs including pulse and respiratory rate, and note any trauma. If no pulse is detected, provide CPR. If not breathing, provide artificial respiration. If breathing is labored, administer oxygen or other respiratory support.
3. Obtain authorization and/or further instructions from the local hospital for administration of an antidote or performance of other invasive procedures.
4. Transport to a health care facility.

Dermal/Eye Exposure:
1. Remove victims from exposure. Emergency personnel should avoid self-exposure to phenylmercury acetate.
2. Evaluate vital signs including pulse and respiratory rate, and note any trauma. If no pulse is detected, provide CPR. If not breathing, provide artificial respiration. If breathing is labored, administer oxygen or other respiratory support.
3. Remove and isolate contaminated clothing as soon as possible.
4. If eye exposure has occurred, eyes must be flushed with lukewarm water for at least 15 minutes.
5. Wash exposed skin areas thoroughly with water.
6. Obtain authorization and/or further instructions from the local hospital for administration of an antidote or performance of other invasive procedures.
7. Transport to a health care facility.

Ingestion Exposure:
1. Evaluate vital signs including pulse and respiratory rate, and note any trauma. If no pulse is detected, provide CPR. If not breathing, provide artificial respiration. If breathing is labored, administer oxygen or other respiratory support.
2. Obtain authorization and/or further instructions from the local hospital for administration of an antidote or performance of other invasive procedures.
3. Give the victims water or milk: children up to 1 year old, 125 mL (4 oz or 1/2 cup); children 1 to 12 years old, 200 mL (6 oz or 3/4 cup); adults, 250 mL (8 oz or 1 cup). Water or milk should be given only if victims are conscious and alert.
4. Activated charcoal may be administered if victims are conscious and alert. Use 15 to 30 g (1/2 to 1 oz) for children, 50 to 100 g (1-3/4 to 3-1/2 oz) for adults, with 125 to 250 mL (1/2 to 1 cup) of water.
5. Promote excretion by administering a saline cathartic or sorbitol to conscious and alert victims. Children require 15 to 30 g (1/2 to 1 oz) of cathartic; 50 to 100 g (1-3/4 to 3-1/2 oz) is recommended for adults.
6. Transport to a health care facility. (EPA, 1998)

The Physical Property fields include properties such as vapor pressure and boiling point, as well as explosive limits and toxic exposure thresholds The information in CAMEO Chemicals comes from a variety of data sources.

Note: For Vapor Density and Specific Gravity, comparing the value to 1.0 can tell you if the chemical will likely sink/rise in air or sink/float in fresh water (respectively). Short phrases have been added to those values below as an aid. However, make sure to also consider the circumstances of a release. The Vapor Density comparisons are only valid when the gas escaping is at the same temperature as the surrounding air itself. If the chemical is escaping from a container where it was pressurized or refrigerated, it may first escape and behave as a heavy gas and sink in the air (even if it has a Vapor Density value less than 1). Also, the Specific Gravity comparisons are for fresh water (density 1.0 g/mL). If your spill is in salt water (density about 1.027 g/mL), you need to adjust the point of comparison. There are some chemicals that will sink in fresh water and float in salt water.
Chemical Formula:
  • C8H8HgO2
Flash Point: 140°F (USCG, 1999)
Lower Explosive Limit (LEL): data unavailable
Upper Explosive Limit (UEL): data unavailable
Autoignition Temperature: data unavailable
Melting Point: 300°F (NTP, 1992)
Vapor Pressure: 9 mmHg at 95°F (NTP, 1992)
Vapor Density (Relative to Air): data unavailable
Specific Gravity: 0.24 (est) (USCG, 1999) - Less dense than water; will float
Boiling Point: data unavailable
Molecular Weight: 336.75 (NTP, 1992)
Water Solubility: Slightly soluble (NTP, 1992)
Ionization Energy/Potential: data unavailable
IDLH: data unavailable

AEGLs (Acute Exposure Guideline Levels)

No AEGL information available.

ERPGs (Emergency Response Planning Guidelines)

No ERPG information available.

PACs (Protective Action Criteria)

Chemical PAC-1 PAC-2 PAC-3
Phenylmercury acetate; (Acetoxyphenylmercury) (62-38-4) 0.5 mg/m3 22 mg/m3 47 mg/m3
(DOE, 2024)

The Regulatory Information fields include information from the U.S. Environmental Protection Agency's Title III Consolidated List of Lists, the U.S. Cybersecurity and Infrastructure Security Agency's Chemical Facility Anti-Terrorism Standards, and the U.S. Occupational Safety and Health Administration's Process Safety Management of Highly Hazardous Chemicals Standard List (see more about these data sources).

EPA Consolidated List of Lists

Regulatory Name CAS Number/
313 Category Code
EPCRA 302
EHS TPQ
EPCRA 304
EHS RQ
CERCLA RQ EPCRA 313
TRI
RCRA
Code
CAA 112(r)
RMP TQ
Mercury Compounds N458 & 313
Phenylmercuric acetate 62-38-4 500/10000 pounds 100 pounds 100 pounds 313c P092
Phenylmercury acetate 62-38-4 500/10000 pounds 100 pounds 100 pounds 313c P092

(EPA List of Lists, 2024)

CISA Chemical Facility Anti-Terrorism Standards (CFATS)

No regulatory information available.

OSHA Process Safety Management (PSM) Standard List

No regulatory information available.

This section provides a listing of alternate names for this chemical, including trade names and synonyms.
  • (ACETATO)PHENYLMERCURY
  • (ACETATO-O) PHENYL MERCURY
  • (ACETATO-O)PHENYLMERCURY
  • ACETATOPHENYLMERCURY
  • ACETIC ACID, PHENYLMERCURY DERIV
  • ACETIC ACID, PHENYLMERCURY DERIV.
  • (ACETOXYMERCURI)BENZENE
  • ACETOXYPHENYLMERCURY
  • AGROSAN D
  • AGROSAN GN 5
  • ALGIMYCIN
  • ALGIMYCIN 200
  • ANTICON
  • ANTIMUCIN WBR
  • ANTIMUCIN WDR
  • BENZENE, (ACETOXYMERCURI)-
  • BENZENE, (ACETOXYMERCURIO)-
  • BUFEN
  • BUFEN 30
  • CERESAN
  • CERESAN UNIVERSAL
  • CERESOL
  • COCURE 26
  • CONTRA CREME
  • COSAN PMA-100
  • DYANACIDE
  • FEMMA
  • FMA
  • FUNGICIDE R
  • FUNGITOX OR
  • GALLOTOX
  • HEXASAN
  • HEXASAN (FUNGICIDE)
  • HL-331
  • HONG NIEN
  • HOSTAQUICK
  • HOSTAQUIK
  • INTERCIDE 60
  • INTERCIDE PMA 18
  • KWIKSAN
  • LEYTOSAN
  • LIQUIPHENE
  • LOROPHYN
  • MERACEN
  • MERCRON
  • MERCURIPHENYL ACETATE
  • MERCURON
  • MERCURY(II) ACETATE, PHENYL-
  • MERCURY(II)ACETATE, PHENYL-
  • MERCURY, (ACETATO)PHENYL-
  • MERCURY, (ACETATO-O)PHENYL-
  • MERCURY, ACETOXYPHENYL-
  • MERCURY,(ACETATO)PHENYL-
  • MERCURY,(ACETATO-O)PHENYL-
  • MERGAL A 25
  • MERSOLITE
  • MERSOLITE 8
  • MERSOLITE D
  • METASOL 30
  • NEANTINA
  • NORFORMS
  • NUODEX PMA 18
  • NYLMERATE
  • PANOMATIC
  • PARASAN
  • PARASAN (BACTERICIDE)
  • PHENMAD
  • PHENOMERCURIC ACETATE
  • PHENYL MERCURIC ACETATE
  • PHENYLMERCURIACETATE
  • PHENYLMERCURIC ACETATE
  • PHENYLMERCURIC ACETATE (DRY)
  • PHENYLMERCURIC ACETATE, SOLUTION
  • PHENYLMERCURIC ACETATE, [LIQUID]
  • PHENYLMERCURY ACETATE
  • PHIX
  • PMA
  • PMA (FUNGICIDE)
  • PMA 220
  • PMAC
  • PMACETATE
  • PMAL
  • PMAS
  • PROGRAMIN
  • PURASAN-SC-10
  • PURATURF 10
  • QUICKSAN
  • QUICKSAN 20
  • RIOGEN
  • RUBERON
  • SAMTOL
  • SANITIZED SPG
  • SANMICRON
  • SC-110
  • SCUTL
  • SEED DRESSING R
  • SETRETE
  • SHIMMEREX
  • SPOR-KIL
  • SPRUCE SEAL
  • TAG
  • TAG 331
  • TAG FUNGICIDE
  • TAG HL 331
  • TAG HL-331
  • TRIGOSAN
  • TROYSAN 30
  • TROYSAN PMA 30
  • VERDASAN
  • VOLPAR
  • ZAPRAWA NASIENNA R
  • ZIARNIK

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