Agent Name

Methacryloyl chloride

CAS Number

920-46-7

Formula

C4-H5-Cl-O

Major Category

Toxic Gases & Vapors

Synonyms

2-Methyl-2-propenoyl chloride; 2-Methylpropenoic acid chloride; 2-Methylpropenoyl chloride; 2-Propenoyl chloride, 2-methyl-; Methacryl chloride; Methacrylic acid chloride; Methacrylic chloride; Methacrylyl chloride; Methylacryloyl chloride; [ChemIDplus] UN3383

Category

Other Toxic Gases & Vapors

Description

Liquid; [Hawley] Colorless liquid; [MSDSonline]

Sources/Uses

Used in the production of hydrogel for contact lenses; [HSDB]

Comments

Flammable and corrosive; [Hawley] A strong skin irritant; [HSDB] Reacts with water evolving hydrogen chloride gas; Highly flammable and toxic; [CAMEO] A corrosive substance that can cause injury to the skin, eyes, and respiratory tract; Inhalation may cause chemical pneumonitis; [MSDSonline]

Exposure Assessment
Vapor Pressure

45.5 mm Hg

Lethal Concentration

LC50 (rat) = 60 mg/m3/4h

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Toxic by inhalation liquid, flammable, n.o.s. (Inhalation Hazard Zone A)."

Adverse Effects
Toxic Pneumonitis

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Other Information

No other related information on this agent was found.