Agent Name

Methyl ethyl ketone peroxide

CAS Number

1338-23-4

Formula

C8-H16-O4

Major Category

Other Classes

Synonyms

2-Butanone peroxide; Butanox LPT; Butanox M 105; Butanox M 50; Chaloxyd MEKP HA 1; Chaloxyd MEKP-HA 1; Chaloxyd MEKP-LA 1; Esperfoam FR; Ethyl methyl ketone peroxide; FR 222; HI-Point 180; HI-Point 90; HI-Point PD-1; Kayamek A; Kayamek M; Ketonox; Lucidol DDM 9; Lucidol delta X; Lupersol DDA 30; Lupersol DDM; Lupersol DEL; Lupersol DNF; Lupersol DSW; Lupersol delta X; MEK peroxide; MEKPO; Mepox; Methyl ethyl ketone hydroperoxide; Methyl ethyl ketone peroxide; Methylethylketonhydroperoxide; Permek G; Permek N; Quickset Extra; Quickset super; Sprayset MEKP; Superox 46-710; Thermacure; Trigonox M 50; [ChemIDplus]

Category

Peroxides, Organic

Description

Colorless liquid with a characteristic odor. [Note: Explosive decomposition occurs at 230 degrees F.]; [NIOSH]

Sources/Uses

Used as a curing agent in the production of plastics, adhesives, lacquers, and fiberglass; [HSDB]

Comments

Liquid causes second or third degree burns after short contact. [CHRIS] Corrosive to the eyes, skin, and upper respiratory tract; [ICSC] After ingestion, effects include corrosion and hepatic failure. [HSDB]

Exposure Assessment
Skin Designation (ACGIH)

Insufficient data

Ceiling (ACGIH)

0.2 ppm

Lethal Concentration

LC50 (rat) = 200 ppm/4H

Explanatory Notes

Flash point = 180 deg F;

Adverse Effects
Hepatotoxin

Hepatotoxin, Secondary

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

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Toxicity Information

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Chemical Information

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Biomedical References

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure:

Activities

Activities with risk of exposure: