Diethyl mercury

  • Mercury, diethyl-
Formula
C4H10Hg
Structure

Registry Numbers and Inventories.
CAS
627-44-1
EC (EINECS/ELINCS)
211-000-7
EC Index Number
080-007-00-3
EC Class
Very toxic; Danger of cumulative effects; Dangerous for the Environment
RTECS
OW2350000
RTECS class
Organometallic; Mutagen; Reproductive Effector; Human Data
UN (DOT)
2025
Beilstein/Gmelin
3902990
Beilstein Reference
4-04-00-04427
Swiss Giftliste 1
G-6861
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Formula
C4H10Hg
Formula mass
258.73
Melting point, °C
192 - 193
Boiling point, °C
26 (0.5 torr)
Density
2.4660 g/cm3 (20 C)
Surface tension
35.44 g/s2 (24 C)
Refractive index
1.5428 (16.9 C)
Heat of vaporization
42.37 kJ/mol

Hazards and Protection.
Storage
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
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 protective gloves, clothing and goggles.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
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
No data.

Fire.
Fire fighting
Use method most appropriate to fight surrounding fire.
Fire potential
Non-Combustible
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Poison_Class
1
Exposure effects
The toxological properties of this substance have not been fully investigated.
   Inhalation
Highly toxic, may be fatal if inhaled, swallowed or absorbed through skin. Effects of contact or inhalation may be delayed.
   Skin
Avoid any skin contact. See Inhalation.
   Eyes
See Inhalation.

First aid
 
   Ingestion
Seek medical assistance.
   Inhalation
Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult.
   Skin
Remove and isolate contaminated clothing and shoes. Remove material from skin immediately. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.
   Eyes
Immediately flush with running water for at least 20 minutes.

Transport.
UN number
2025
Response guide
Hazard class
6.1
Packing Group
I; II; III