2-Bromacetophenon

Phenacyl bromide appears as a crystalline solid or a liquid with a sharp odor. Toxic by inhalation, ingestion and skin absorption. A severe eye irritant (a lachrymator). Used to make other chemicals.

Solid; [Merck Index] Beige crystalline solid; [Aldrich MSDS]

Danger

H301 (20.6%): Toxic if swallowed [Danger Acute toxicity, oral]

P260, P261, P262, P264, P264+P265, P270, P271, P280, P284, P301+P316, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P316, P319, P320, P321, P330, P332+P317, P337+P317, P361+P364, P362+P364, P363, P403+P233, P405, and P501 (click each P-code to see the statement)

Aggregated GHS information provided per 63 reports by companies from 8 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.

Chemical: Ethanone, 2-bromo-1-phenyl-

2-Bromoacetophenone: Does not have an individual approval but may be used under an appropriate group standard

Excerpt from ERG Guide 153 [Substances - Toxic and/or Corrosive (Combustible)]:

· Combustible material: may burn but does not ignite readily.

Excerpt from ERG Guide 153 [Substances - Toxic and/or Corrosive (Combustible)]:

· TOXIC and/or CORROSIVE; inhalation, ingestion or skin contact with material may cause severe injury or death.

A lachrymator; A severe skin, eye, and mucous membrane irritant; [Merck Index] Slowly reacts with moisture producing hydrogen bromide; A lachrymator; Toxic by ingestion, inhalation, and skin absorption; [CAMEO] Causes burns and lachrymation; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; [Aldrich MSDS] See alpha-Chloroacetophenone.

Phenacyl bromide

UN2645

Div 6.1 Poisonous materials (49 eCFR § 173.132)

PG II: the degree of danger presented by the material is medium

· CALL 911. Then call emergency response telephone number on shipping paper. If shipping paper not available or no answer, refer to appropriate telephone number listed on the inside back cover.

· ELIMINATE all ignition sources (no smoking, flares, sparks or flames) from immediate area.

Excerpt from ERG Guide 153 [Substances - Toxic and/or Corrosive (Combustible)]:

General First Aid:

Excerpt from ERG Guide 153 [Substances - Toxic and/or Corrosive (Combustible)]:

Immediate precautionary measure

EYES: irrigate opened eyes for several minutes under running water. INGESTION: do not induce vomiting. Rinse mouth with water (never give anything by mouth to an unconscious person). Seek immediate medical advice. SKIN: should be treated immediately by rinsing the affected parts in cold running water for at least 15 minutes, followed by thorough washing with soap and water. If necessary, the person should shower and change contaminated clothing and shoes, and then must seek medical attention. INHALATION: supply fresh air. If required provide artificial respiration.

Organobromide compounds such as phenacyl bromide are strong alkylating agents. Consequently they can readily modify free thiols (cysteines) and methionine residues of the surfaces of proteins leading to the disruption of enzyme, transporter or membrane functions. One of the most probable protein targets is the TRPA1 ion channel that is expressed in sensory nerves (trigeminal nerve) of the eyes, nose, mouth and lungs. Human liver aldehyde dehydrogenase isozymes E1 and E2 are both completely and irreversibly inactivated by phenacyl bromide. This kind targeted modification may lead to liver toxicity.

Phenacyl bromide is a strong lachrymator. Eye exposure produces irritation, characterized by a burning sensation, redness, tearing, inflammation, and possible corneal injury. Causes skin irritation and possible burns. May cause gastrointestinal irritation with nausea, vomiting and diarrhea. Causes respiratory tract irritation.

Bromine is mainly absorbed via inhalation, but may also enter the body through dermal contact. Bromine salts can be ingested. Due to its reactivity, bromine quickly forms bromide and may be deposited in the tissues, displacing other halogens. (L626)

Used to make other chemicals; [CAMEO]

Phenacyl bromide is an industrial and laboratory chemical.