2,4,5-T
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CAS
93-76-5
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Cl3C6H2OCH2COOH
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RTECS
AJ8400000
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Synonyms & Trade Names
2,4,5-Trichlorophenoxyacetic acid
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DOT ID & Guide
2765 / 152
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Exposure
Limits
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NIOSH REL: TWA 10 mg/m3
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OSHA PEL: TWA 10 mg/m3
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IDLH
250 mg/m3
See: 93765
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Conversion
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Physical Description
Colorless to tan, odorless, crystalline solid. [herbicide]
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MW: 255.5
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BP: Decomposes
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MLT: 307°F
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Sol(77°F): 0.03%
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VP: 1 x 10-7 mmHg
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IP: ?
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Sp.Gr: 1.80
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Fl.P: ?
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UEL: ?
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LEL: ?
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Combustible Solid, but burns with difficulty.
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Incompatibilities & Reactivities
None reported
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Measurement Methods
NIOSH 5001
See: NMAM or OSHA Methods |
Personal Protection & Sanitation (See protection)
Skin: No recommendation
Eyes: No recommendation
Wash skin: No recommendation
Remove: No recommendation
Change: No recommendation
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First Aid (See procedures)
Eye: Irrigate immediately
Skin: Soap wash
Breathing: Respiratory support
Swallow: Medical attention immediately
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Respirator Recommendations
NIOSH/OSHA
Up to 50 mg/m3:
(APF = 5) Any quarter-mask respirator. Click here for information on selection of N, R, or P filters.
Up to 100 mg/m3:
(APF = 10) Any particulate respirator equipped with an N95, R95, or P95 filter (including N95, R95, and P95 filtering facepieces) except quarter-mask respirators. The following filters may also be used: N99, R99, P99, N100, R100, P100. Click here for information on selection of N, R, or P filters.
(APF = 10) Any supplied-air respirator
Up to 250 mg/m3:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode
(APF = 50) Any air-purifying, full-facepiece respirator with an N100, R100, or P100 filter. Click here for information on selection of N, R, or P filters.
(APF = 25) Any powered air-purifying respirator with a high-efficiency particulate filter.
(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 with 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, ingestion, skin and/or eye contact
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Symptoms
In animals: ataxia; skin irritation, acne-like rash; liver damage
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Target Organs
Skin, liver, gastrointestinal tract
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See also: INTRODUCTION
See ICSC CARD: 0075 See MEDICAL TESTS: 0249
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