reaction mass of: 1,2-dimethylpropylidene dihydroperoxide; dimethyl...

CAS 131-11-3 C₁₀H₁₀O₄ MW 194.2000 Danger OSHA PEL listed NIOSH data available

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Corrosion

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Environment

Emergency: 911 | Poison Control: 1-800-222-1222

Recommended safety equipment

Personal protective equipment commonly recommended for the hazard classes shown above.

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Hazard Statements

Code	Statement	Hazard Class
`H242`	Heating may cause a fire	Self-reactive substances and mixtures; Organic peroxides
`H302`	Harmful if swallowed	Acute toxicity, oral
`H314`	Causes severe skin burns and eye damage	Skin corrosion/irritation
`H317`	May cause an allergic skin reaction	Sensitization, Skin
`H411`	Toxic to aquatic life with long lasting effects	Hazardous to the aquatic environment, long-term hazard

Precautionary Statements

Code	Statement
`P210`	Keep away from heat, hot surface, sparks, open flames and other ignition sources. No smoking.
`P234`	Keep only in original container.
`P235`	Keep cool.
`P240`	Ground/bond container and receiving equipment.
`P260`	Do not breathe dust/fume/gas/mist/vapors/spray.
`P261`	Avoid breathing dust/fume/gas/mist/vapors/spray.
`P264`	Wash hands [and ...] thoroughly after handling.
`P270`	Do not eat, drink or smoke when using this product.
`P272`	Contaminated work clothing should not be allowed out of the workplace.
`P273`	Avoid release to the environment.
`P280`	Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...
`P301+P317`	IF SWALLOWED: Get medical help.
`P301+P330+P331`	IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
`P302+P352`	IF ON SKIN: wash with plenty of water/...
`P302+P361+P354`	IF ON SKIN: Take off Immediately all contaminated clothing. Immediately rinse with water for several minutes.
`P304+P340`	IF INHALED: Remove person to fresh air and keep comfortable for breathing.
`P305+P354+P338`	IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing.
`P316`	Get emergency medical help immediately.
`P321`	Specific treatment (see information on this label and safety datasheet)).
`P330`	Rinse mouth.
`P333+P317`	If skin irritation or rash occurs: Get medical help.
`P362+P364`	Take off contaminated clothing and wash it before reuse.
`P363`	Wash contaminated clothing before reuse.
`P370+P378`	In case of fire: Use ... to extinguish.
`P391`	Collect spillage.
`P403`	Store in a well-ventilated place.
`P405`	Store locked up.
`P410`	Protect from sunlight.
`P411`	Store at temperatures not exceeding ... °C/...°F.
`P420`	Store separately.
`P501`	Dispose of contents/container to ...

Exposure Limits

OSHA PEL	5 mg-m3
NIOSH REL	5 mg-m3
NIOSH IDLH	2000 mg-m3
Skin Notation	Yes — can be absorbed through skin

Physical Properties

Colorless, oily liquid with a slight, aromatic odor.

Boiling Point	543°F
Flash Point	295°F
Vapor Pressure	0.01 mmHg
Specific Gravity	1.19

NFPA 704 Diamond

Synonyms

dimethyl ester of 1,2-benzenedicarboxylic acid; DMP; phthalic acid; dimethyl ester

Data Sources

GHS Classification: PubChem CID 8554
OSHA PEL: OSHA Occupational Chemical Database
NIOSH REL/IDLH: NIOSH Pocket Guide

Disclaimer: This information is compiled from public regulatory databases for reference only. It does not replace the manufacturer's Safety Data Sheet (SDS). Always consult the official SDS for your specific product before handling chemicals.

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