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Mercury (organo) alkyl compounds (as Hg)

Related Pages
Synonyms & Trade Names
CAS No.
RTECS No.
DOT ID & Guide
Formula
Conversion
IDLH
2 mg/m3 (as Hg)
See: merc-hg
Exposure Limits
NIOSH REL
TWA 0.01 mg/m3 ST 0.03 mg/m3 [skin]
OSHA PEL
TWA 0.01 mg/m3 C 0.04 mg/m3 See Appendix G
Measurement Methods
None available
See: NMAM or OSHA Methods
Physical Description
Appearance and odor vary depending upon the specific (organo) alkyl mercury compound.
Molecular Weight
Properties vary depending upon the specific (organo) alkyl mercury compound.
Incompatibilities & Reactivities
Strong oxidizers such as chlorine
Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms
paresthesia; ataxia, dysarthria; vision, hearing disturbance; spasticity, jerking limbs; dizziness; salivation; lacrimation (discharge of tears); nausea, vomiting, diarrhea, constipation; skin burns; emotional disturbance; kidney injury; possible teratogenic effects
Target Organs
Eyes, skin, central nervous system, peripheral nervous system, kidneys
Personal Protection/Sanitation
(See protection codes)
Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet or contaminated
Change:Daily
Provide:Eyewash, Quick drench
First Aid
(See procedures)
Eye:Irrigate immediately
Skin:Soap wash immediately
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations

NIOSH/OSHA

Up to 0.1 mg/m3:
(APF = 10) Any supplied-air respirator

Up to 0.25 mg/m3:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode

Up to 0.5 mg/m3:
(APF = 50) Any supplied-air respirator that has a tight-fitting facepiece and is operated in a continuous-flow mode
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece

Up to 2 mg/m3:
(APF = 1000) Any supplied-air respirator operated in a pressure-demand or other positive-pressure mode

Emergency or planned entry into unknown concentrations or IDLH conditions:
(APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus

Escape:
Any appropriate escape-type, self-contained breathing apparatus

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 1304   MEDICAL TESTS: 0135
Page last reviewed: October 30, 2019
Content source: National Institute for Occupational Safety and Health