Tetraethyl lead (as Pb) |
Synonyms & Trade Names Lead tetraethyl, TEL, Tetraethylplumbane |
CAS No. 78-00-2 |
RTECS No. TP4550000 |
DOT ID & Guide 1649 131 |
FormulaPb(C2H5)4 |
Conversion |
IDLH 40 mg/m3 (as Pb)
See: 78002 |
Exposure Limits NIOSH REL: TWA 0.075 mg/m3 [skin]
OSHA PEL: TWA 0.075 mg/m3 [skin] |
Measurement Methods
NIOSH 2533
See: NMAM or OSHA Methods |
Physical Description Colorless liquid (unless dyed red, orange, or blue) with a pleasant, sweet odor. [Note: Main usage is in anti-knock additives for gasoline.] |
MW: 323.5 |
BP: 228°F (Decomposes) |
FRZ: -202°F |
Sol: 0.00002% |
VP: 0.2 mmHg |
IP: 11.10 eV |
Sp.Gr: 1.65 |
Fl.P: 200°F |
UEL: ? |
LEL: 1.8% |
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| Class IIIB Combustible Liquid: Fl.P. at or above 200°F. |
Incompatibilities & Reactivities Strong oxidizers, sulfuryl chloride, rust, potassium permanganate [Note: Decomposes slowly at room temperature and more rapidly at higher temperatures.] |
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact |
Symptoms insomnia, lassitude (weakness, exhaustion), anxiety; tremor, hyper-reflexia, spasticity; bradycardia, hypotension, hypothermia, pallor, nausea, anorexia, weight loss; confusion, hallucinations, psychosis, mania, convulsions, coma; eye irritation |
Target Organs central nervous system, cardiovascular system, kidneys, eyes |
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Personal Protection/Sanitation (See protection codes)
Skin: Prevent skin contact (>0.1%)
Eyes: Prevent eye contact
Wash skin: When contaminated (>0.1%)
Remove: When wet or contaminated (>0.1%)
Change: Daily
Provide: Quick drench (>0.1%) |
First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately |
Respirator Recommendations NIOSH/OSHA Up to 0.75 mg/m3:
(APF = 10) Any supplied-air respirator Up to 1.875 mg/m3:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode Up to 3.75 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 40 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:
(APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister
Any appropriate escape-type, self-contained breathing apparatus
Important additional information about respirator selection |
| See also: INTRODUCTION See ICSC CARD: 0008 See MEDICAL TESTS: 0224 |
