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Toxic Gases & Vapors -> Other Toxic Gases & Vapors

Corrosives

1.0871 at 68 °F (EPA, 1998) - Denser than water; will sink

1.0871 g/cu cm @ 20 °C

205 °F at 760 mmHg (EPA, 1998)

96 °C

96 °C @760 [mm Hg]

-60 °C

-60 °C

45.5 [mmHg]

40 [mm Hg] @25 °C

Methacryloyl chloride appears as a liquid of density 1.07 g / cm3, boiling point 95-96 °C, and flash point 55 °F. Highly toxic. Supplied in technical grades of varying purity.

Liquid; [Hawley] Colorless liquid; [MSDSonline]

Danger

H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]

P210, P233, P240, P241, P242, P243, P260, P261, P264, P270, P271, P272, P273, P280, P284, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P303+P361+P353, P304+P340, P305+P354+P338, P316, P320, P321, P330, P333+P317, P362+P364, P363, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 53 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Danger

H225: Highly Flammable liquid and vapor [Danger Flammable liquids]

Status: Active Update: 12-03-2019 https://echa.europa.eu/registration-dossier/-/registered-dossier/23665

The New Jersey Worker and Community Right to Know Act requires public and private employers to provide information about hazardous substances at their workplaces. (N.J.S.A. 34:5A-1 et. seq.)

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]

METHACRYLOYL CHLORIDE is incompatible with strong oxidizing agents, alcohols, bases (including amines). Can polymerize violently; but the polymerization reaction can be inhibited by the addition of phenolthiazine. May react vigorously or explosively if mixed with diisopropyl ether or other ethers in the presence of trace amounts of metal salts [J. Haz. Mat., 1981, 4, 291].

Releases of CERCLA hazardous substances are subject to the release reporting requirement of CERCLA section 103, codified at 40 CFR part 302, in addition to the requirements of 40 CFR part 355. Methacryloyl chloride is an extremely hazardous substance (EHS) subject to reporting requirements when stored in amounts in excess of its threshold planning quantity (TPQ) of 100 lbs.

Flam. Liq. 2 (100%)

Flammable liquids - Category 2

Corrosives, Flammable agents - 3rd degree, Reactive agents - 1st degree

SRP: At the time of review, criteria for land treatment or burial (sanitary landfill) disposal practices are subject to significant revision. Prior to implementing land disposal of waste residue (including waste sludge), consult with environmental regulatory agencies for guidance on acceptable disposal practices.

0.055 [mg/m3]

0.60 [mg/m3]

2.6 [mg/m3]

For emergency situations, wear a positive pressure, pressure-demand, full facepiece self-contained breathing apparatus (SCBA) or pressure- demand supplied air respirator with escape SCBA and a fully-encapsulating, chemical resistant suit. (EPA, 1998)

... severe corneal burns have been reported after acute exposure to methacrylic acid. /Methacrylic acid/

Direct contact with liquid methacrylic acid can result in blindness ... /Methacrylic acid/

Basic treatment: Establish a patent airway. Suction if necessary. Watch for signs of respiratory insufficiency and assist ventilations if needed. Administer oxygen by nonrebreather mask at 10 to 15 L/min. Monitor for pulmonary edema and treat if necessary ... . Monitor for shock and treat if necessary ... . Anticipate seizures and treat if necessary ... . For eye contamination, flush eyes immediately with water. Irrigate each eye continuously with normal saline during transport ... . Do not use emetics. For ingestion, rinse mouth and administer 5 mL/kg up to 200 mL of water for dilution if the patient can swallow, has a strong gag reflex, and does not drool ... . Cover skin burns with dry sterile dressings after decontamination ... . /Poisons A and B/

Advanced treatment: Consider orotracheal or nasotracheal intubation for airway control in the patient who is unconscious, has severe pulmonary edema, or is in respiratory arrest. Positive-pressure ventilation techniques with a bag-valve-mask device may be beneficial. Monitor cardiac rhythm and treat arrhythmias as necessary ... . Start an IV with D5W TKO /SRP: "To keep open", minimal flow rate/. Use lactated Ringer's if signs of hypovolemia are present. Watch for signs of fluid overload. Consider drug therapy for pulmonary edema ... . For hypotension with signs of hypovolemia, administer fluid cautiously. Watch for signs of fluid overload ... . Treat seizures with diazepam (Valium) ... . Use proparacaine hydrochloride to assist eye irrigation ... . /Poisons A and B/

LC50 Rat ihl 60 mg/cu m/4 hr

LC50 Mouse ihl 115 mg/cu m/2 hr

Releases of CERCLA hazardous substances are subject to the release reporting requirement of CERCLA section 103, codified at 40 CFR part 302, in addition to the requirements of 40 CFR part 355. Methacryloyl chloride is an extremely hazardous substance (EHS) subject to reporting requirements when stored in amounts in excess of its threshold planning quantity (TPQ) of 100 lbs.

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

A hydrogel with 80% water absorption was obtained from reaction of 2-hydroxyethyl methacrylate, containing small amounts of ethylene glycol dimethacrylate with the reaction product of poly(vinylpyrrolidinone) & methacryloyl chloride /contact lenses/