Powered by GoogleTranslate

Tetramethyl Lead (as Pb)

General Description

Synonyms:  TML; Lead tetramethyl; Motor fuel anti-knock compound; Lead, organic

OSHA IMIS code: 2370

CAS number(s): 75-74-1

Chemical Description and Physical Properties:

  • colorless liquid or dyed red, orange, or blue with a slight musty odor
  • molecular weight: 267
  • boiling point: 230°F
  • vapor pressure: 22 mm
  • melting point: ‐22°F

Incompatibilities: Strong oxidizers, such as sulfuryl chloride or potassium permanganate

Exposure Limits and Health Effects

Standard Set By Exposure Limit
OSHA PEL - General Industry 0.075 mg/m3 (Skin)
OSHA PEL - Construction Industry 0.15 μg/m3 TWA (Skin)
NIOSH REL 0.075 μg/m3 TWA (Skin)
ACGIH TLV® 0.15 μg/m3 TWA (Skin)

Carcinogenic classification:

EPA Inhalation Reference Concentration (RfC): Not established

ATSDR Inhalation Minimal Risk Levels (MRLs): Not established

Potential Symptoms: Insomnia, bad dreams, restlessness, anxiety; hypotension; nausea, anorexia; delirium, mania; convulsions; coma

Health Effects: Cumulative liver and kidney damage (HE3) Cumulative CNS damage (HE7); Acute CNS effects (HE4)

Chemical Sampling Information

By Name

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

By CAS Number

** All Trademarks are the property of their respective owners.

Back to Top

Thank You for Visiting Our Website

You are exiting the Department of Labor's Web server.

The Department of Labor does not endorse, takes no responsibility for, and exercises no control over the linked organization or its views, or contents, nor does it vouch for the accuracy or accessibility of the information contained on the destination server. The Department of Labor also cannot authorize the use of copyrighted materials contained in linked Web sites. Users must request such authorization from the sponsor of the linked Web site. Thank you for visiting our site. Please click the button below to continue.

Close