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Methyl ethyl ketone peroxide |
CAS 1338-23-4 | ||
C8H16O4 |
RTECS EL9450000 | ||
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Synonyms & Trade Names 2-Butanone peroxide, Ethyl methyl ketone peroxide, MEKP, MEK peroxide, Methyl ethyl ketone hydroperoxide |
DOT ID & Guide |
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Exposure
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NIOSH REL: C 0.2 ppm (1.5 mg/m3) | ||
| OSHA PEL†: none | |||
| IDLH N.D. See: IDLH INDEX | Conversion 1 ppm = 7.21 mg/m3 | ||
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Physical Description Colorless liquid with a characteristic odor. [Note: Explosive decomposition occurs at 230°F.] |
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MW: 176.2 |
BP: 244°F (Decomposes) |
FRZ: ? |
Sol: Soluble |
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VP: ? |
IP: ? |
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Sp.Gr(59°F): 1.12 |
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Fl.P(oc): 125-200°F (60% MEKP) |
UEL: ? |
LEL: ? |
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| Combustible Liquid | |||
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Incompatibilities & Reactivities Organic materials, heat, flames, sunlight, trace contaminants [Note: A strong oxidizing agent. Pure MEKP is shock sensitive. Commercial product is diluted with 40% dimethyl phthalate, cyclohexane peroxide, or diallyl phthalate to reduce sensitivity to shock.] |
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Measurement Methods NIOSH 3508; OSHA 77 See: NMAM or OSHA Methods |
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Personal Protection & Sanitation (See protection) Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: No recommendation Provide: Eyewash, Quick drench |
First Aid (See procedures) Eye: Irrigate immediately Skin: Water wash immediately Breathing: Respiratory support Swallow: Medical attention immediately |
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Important additional information about respirator selection Respirator Recommendations Not available. |
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| Exposure Routes inhalation, ingestion, skin and/or eye contact | |
| Symptoms Irritation eyes, skin, nose, throat; cough, dyspnea (breathing difficulty), pulmonary edema; blurred vision; blisters, scars skin; abdominal pain, vomiting, diarrhea; dermatitis; in animals: liver, kidney damage | |
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Target Organs
Eyes, skin, respiratory system, liver, kidneys |
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| See also: INTRODUCTION |