TEDP
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CAS
3689-24-5
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[(CH3CH2O)2PS]2O
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RTECS
XN4375000
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Synonyms & Trade Names
Bladafum®, Dithion®, Sulfotep, Tetraethyl dithionopyrophosphate, Tetraethyl dithiopyrophosphate, Thiotepp®
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DOT ID & Guide
1704 153
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Exposure
Limits
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NIOSH REL: TWA 0.2 mg/m3 [skin]
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OSHA PEL: TWA 0.2 mg/m3 [skin]
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IDLH
10 mg/m3
See: 89245
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Conversion
1 ppm = 13.18 mg/m3
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Physical Description
Pale-yellow liquid with a garlic-like odor. [Note: A pesticide that may be absorbed on a solid carrier or mixed in a more flammable liquid.]
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MW: 322.3
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BP: Decomposes
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FRZ: ?
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Sol: 0.0007%
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VP: 0.0002 mmHg
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IP: ?
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Sp.Gr(77°F): 1.20
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Fl.P: ?
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UEL: ?
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LEL: ?
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Combustible Liquid
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Incompatibilities & Reactivities
Strong oxidizers, iron [Note: Corrosive to iron.]
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Measurement Methods
None available
See: NMAM or OSHA Methods
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Personal Protection & Sanitation (See protection codes)
Skin: Prevent skin contact
Eyes: Prevent eye contact
Wash skin: When contaminated
Remove: When wet or contaminated
Change: No recommendation
Provide: Eyewash, Quick drench
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash immediately
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
NIOSH/OSHA
Up to 2 mg/m3:
(APF = 10) Any supplied-air respirator
Up to 5 mg/m3:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode
Up to 10 mg/m3:
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece
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 having an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters./Any appropriate escape-type, self-contained breathing apparatus
Important additional information about respirator selection
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Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contact
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Symptoms
Irritation eyes, skin; eye pain, blurred vision, lacrimation (discharge of tears); rhinorrhea (discharge of thin mucus); headache; cyanosis; anorexia, nausea, vomiting, diarrhea; localized sweating, lassitude (weakness, exhaustion), twitching, paralysis, Cheyne-Stokes respiration, convulsions, low blood pressure, cardiac irregularities
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Target Organs
Eyes, skin, respiratory system, central nervous system, cardiovascular system, blood cholinesterase
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See also: INTRODUCTION
See ICSC CARD: 0985 See MEDICAL TESTS: 0219
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