Phenylmercuric acetate

  • (Acetato)phenyl mercury
  • Acetoxyphenylmercury
  • Phenylmercury acetate
Formula
C6H5HgOOCCH3
Structure
Description
White to creamy white crystalline powder or clear solution, odorless.
Uses
Herbicide.

Registry Numbers and Inventories.
CAS
62-38-4
EC (EINECS/ELINCS)
200-532-5
EC Index Number
080-011-00-5
EC Class
Toxic; Corrosive; Dangerous for the Environment
R 25 34 48/24/25 50/53
S 23.2 24/25 37 45 60 61
RTECS
OV6475000
RTECS class
Agricultural Chemical and Pesticide; Tumorigen; Organometallic; Mutagen; Reproductive Effector; Primary Irritant
UN (DOT)
1674
Merck
12,7453
Beilstein/Gmelin
3662930
Beilstein Reference
4-16-00-01720
RCRA
P092
EPA OPP
66003
Swiss Giftliste 1
G-2830
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C8H8HgO2
Formula mass
336.74
Melting point, °C
146 - 150
Vapor pressure, mmHg
0.000006
Saturation Concentration
0.16 ppm (0.00002%) at 25 C (calculated)
Density
0.24 g/cm3 (20 C)
Solubility in water
44 g/L
Partition coefficient, pKow
0.71

Hazards and Protection.
Storage
Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Corrosives area. Store protected from light.
Handling
Use only in a well ventilated area. Minimize dust generation and accumulation. Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale. Store protected from light. Discard contaminated shoes.
Protection
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
Respirators
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
Small spills/leaks
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
Disposal code
9
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, strong acids, strong bases.
Decomposition
Carbon monoxide, carbon dioxide, mercury/mercury oxides.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.
Fire potential
Nonflammable.
Hazards
When heated to decomposition, very toxic mercuric fumes may be given off. Phenylmercuric ion is incompatible with halides, with which precipitates are formed.
Combustion products
Toxic fumes of Hg
Health
3
 
Flammability
2
 
 
Reactivity
0
 

Health.
Exposure limit(s)
TLV (as Hg): ppm; 0.1 mg/m3 (as TWA) (skin) (ACGIH 1991-1992).
Poison_Class
2
Exposure effects
Effects may be delayed. Chronic exposure to mercury may cause permanent central nervous system damage, fatigue, weight loss, tremors, personality changes. Chronic ingestion may cause accumulation of mercury in body tissues. Chronic exposure to mercury vapors may produce weakness, fatigue, anorexia, loss of weight and gastrointestinal disturbances which is collectively referred to as asthenic-vegetative syndrome or micromercurialism. Chronic exposure to mercury compounds may produce immunologic glomerular disease.
   Ingestion
May be fatal if swallowed. May cause severe and permanent damage to the digestive tract. Causes gastrointestinal tract burns. May cause perforation of the digestive tract. Inorganic mercury compounds may cause central and peripheral nervous system effects. May cause systemic effects.
   Inhalation
Causes chemical burns to the respiratory tract. Aspiration may lead to pulmonary edema. May cause systemic effects. Acute exposure to high concentrations of mercury vapors may cause severe respiratory tract irritation.
   Skin
Causes skin burns. May cause skin rash (in milder cases), and cold and clammy skin with cyanosis or pale color.
   Eyes
Causes eye burns. May cause chemical conjunctivitis and corneal damage.

First aid
 
   Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately. Induce vomiting by giving one teaspoon of Syrup of Ipecac.
   Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately. If breathing is difficult, give oxygen. DO NOT use mouth-to-mouth respiration. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask.
   Skin
Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Destroy contaminated shoes.
   Eyes
Get medical aid immediately. Do NOT allow victim to rub or keep eyes closed. Extensive irrigation is required (at least 30 minutes).

Transport.
UN number
1674
Response guide
Hazard class
6.1
Packing Group
II
 
USCG CHRIS Code
PMA
 
HS Code
2931 00 95
 
Std. Transport #
4921580