Phenylmercuric chloride

  • Chlorophenylmercury
Formula
C6H5HgCl
Structure
Description
White powder.
Uses
Has been used as an agricultural fungicide.

Registry Numbers and Inventories.
CAS
100-56-1
EC (EINECS/ELINCS)
202-865-1
R 26/27/28 33 50/53
S 13 28 36 45 60 61
RTECS
OW1400000
RTECS class
Agricultural Chemical and Pesticide; Organometallic; Mutagen
UN (DOT)
2026
Merck
12,7454
Beilstein/Gmelin
3536717
Beilstein Reference
4-16-00-01720
RCRA
D009
EPA OPP
66007
Swiss Giftliste 1
G-3593
Austrailia AICS
Listed
New Zealand
Listed

Properties.
Formula
C6H5ClHg
Formula mass
313.15
Melting point, °C
257
Solubility in water
Insoluble

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container. Poison room locked.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Wear appropriate safety goggles, protective clothing and gloves.
Respirators
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Small spills/leaks
Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Cover with plastic sheet to prevent spreading. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Keep away from strong oxidizing agents, strong reducing agents, strong acids.
Decomposition
Hydrogen chloride, carbon monoxide, carbon dioxide, mercury/mercury oxides are produced upon decomposition.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. In case of fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Fire potential
Non-Combustible
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Poison_Class
2
Exposure effects
   Ingestion
May be fatal if swallowed. May cause headache. Can cause nervous system damage. May cause nausea and vomiting.
   Inhalation
May be fatal if inhaled.
   Skin
May be fatal if absorbed through the skin.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
Get medical aid immediately. Wash mouth out with water.
   Inhalation
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
   Skin
Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
   Eyes
Immediately flush with running water for at least 20 minutes.

Transport.
UN number
2026
Response guide
Hazard class
6.1
Packing Group
I; II; III