Acute toxicity - Category 3, Oral
H301 Toxic if swallowed
P264 Wash ... thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P301+P316 IF SWALLOWED: Get emergency medical help immediately.
P321 Specific treatment (see ... on this label).
P330 Rinse mouth.
P405 Store locked up.
P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.
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Move the victim into fresh air. If breathing is difficult, give oxygen. If not breathing, give artificial respiration and consult a doctor immediately. Do not use mouth to mouth resuscitation if the victim ingested or inhaled the chemical.
Take off contaminated clothing immediately. Wash off with soap and plenty of water. Consult a doctor.
Rinse with pure water for at least 15 minutes. Consult a doctor.
Rinse mouth with water. Do not induce vomiting. Never give anything by mouth to an unconscious person. Call a doctor or Poison Control Center immediately.
SYMPTOMS: Symptoms of exposure to this compound include gastritis. Other symptoms include excitement, convulsions, hyperpyrexia, cerebral edema, depression and renal tubular necrosis. Ingestion of this type of compound may cause drowsiness, headache, dryness of the mouth, nausea, tachycardia, urinary retention, disorientation, nervousness, staggering gait, hallucinations, stupor, coma, hyperreflexia, tremors, nystagmus and hyperthermia. Other symptoms of exposure to this type of compound are mild sedation, inability to concentrate, lassitude, dizziness, hypotension, muscular weakness, incoordination, vomiting, diarrhea or constipation, epigastric pain, blurred vision and tinnitus. ACUTE/CHRONIC HAZARDS: This compound is toxic by ingestion. When heated to decomposition it emits very toxic fumes of sulfur oxides, nitrogen oxides and hydrogen chloride gas. (NTP, 1992)
A death has been reported from an oral dose as small as 12 mg/kg, but others have survived after 80 mg/kg.
Duration of action: 4-6 hr. methapyrilene hydrochloride, from table
Fires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher. (NTP, 1992)
Flash point data for this chemical are not available; however, it is probably combustible. (NTP, 1992)
Wear self-contained breathing apparatus for firefighting if necessary.
Avoid dust formation. Avoid breathing mist, gas or vapours.Avoid contacting with skin and eye. Use personal protective equipment.Wear chemical impermeable gloves. Ensure adequate ventilation.Remove all sources of ignition. Evacuate personnel to safe areas.Keep people away from and upwind of spill/leak.
Prevent further spillage or leakage if it is safe to do so. Do not let the chemical enter drains. Discharge into the environment must be avoided.
Collect and arrange disposal. Keep the chemical in suitable and closed containers for disposal. Remove all sources of ignition. Use spark-proof tools and explosion-proof equipment. Adhered or collected material should be promptly disposed of, in accordance with appropriate laws and regulations.
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
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Ensure adequate ventilation. Handle in accordance with good industrial hygiene and safety practice. Set up emergency exits and the risk-elimination area.
Wear tightly fitting safety goggles with side-shields conforming to EN 166(EU) or NIOSH (US).
Wear fire/flame resistant and impervious clothing. Handle with gloves. Gloves must be inspected prior to use. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it.
If the exposure limits are exceeded, irritation or other symptoms are experienced, use a full-face respirator.
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PHYSICAL DESCRIPTION: White crystalline powder or solid with a faint odor. Bitter taste. pH (aqueous solution) 5.5. (NTP, 1992)
LIQUID
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324° F (NTP, 1992)
389.6°C at 760 mmHg
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189.4°C
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>44.7 [ug/mL]
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2.82E-06mmHg at 25°C
1.148g/cm3
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METHAPYRILENE HYDROCHLORIDE is light sensitive. Solutions of this chemical in water, DMSO, 95% ethanol or acetone should be stable for 24 hours under normal lab conditions. (NTP, 1992). Organosulfides are incompatible with acids, diazo and azo compounds, halocarbons, isocyanates, aldehydes, alkali metals, nitrides, hydrides, and other strong reducing agents. Reactions with these materials generate heat and in many cases hydrogen gas.
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An estimated BCF of 71 can be calculated(2,SRC) from an estimated log Kow of 2.74(1) using a recommended regression equation(2,SRC). Based upon this estimated BCF, methapyrilene will not be expected to significantly bioconcentrate in aquatic organisms (SRC).
An estimated Koc of 737 can be calculated(2,SRC) from an estimated log Kow of 2.74(1) using a recommended regression equation(2,SRC). Based upon this estimated Koc, methapyrilene will be expected to exhibit low mobility in soil(3,SRC).
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The material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.
Containers can be triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.
ADR/RID: UN2811 (For reference only, please check.)
IMDG: UN2811 (For reference only, please check.)
IATA: UN2811 (For reference only, please check.)
ADR/RID: TOXIC SOLID, ORGANIC, N.O.S. (For reference only, please check.)
IMDG: TOXIC SOLID, ORGANIC, N.O.S. (For reference only, please check.)
IATA: TOXIC SOLID, ORGANIC, N.O.S. (For reference only, please check.)
ADR/RID: 6.1 (For reference only, please check.)
IMDG: 6.1 (For reference only, please check.)
IATA: 6.1 (For reference only, please check.)
ADR/RID: I (For reference only, please check.)
IMDG: I (For reference only, please check.)
IATA: I (For reference only, please check.)
ADR/RID: No
IMDG: No
IATA: No
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