ChemicalBook >>2,6-Dimethylphenyl isocyanate>>2,6-Dimethylphenyl isocyanate(28556-81-2)

2,6-Dimethylphenyl isocyanate(28556-81-2)

2,6-Dimethylphenyl isocyanate(28556-81-2)
Product IdentificationBack to Contents
【Product Name】

2,6-Dimethylphenyl isocyanate
【Synonyms】

2,6-Xylyl isocyanate
Benzene, 2-isocyanato-1,3-dimethyl-
Isocyanic acid, 2,6-xylyl ester
【CAS】

28556-81-2
【Formula】

C9H9NO
【Molecular Weight】

147.18
【Beilstein/Gmelin】

742593
【Beilstein Reference】

4-12-00-02532
Physical and Chemical PropertiesBack to Contents
【Appearance】

Colorless liquid.
【Solubility in water】

Insoluble
【Boiling Point】

87-80
【Density】

1.057 g/cm3 (20 C)
【Refractive Index】

1.54 (20 C)
First Aid MeasuresBack to Contents
【Ingestion】

Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. DO NOT use mouth-to-mouth respiration.
【Skin】

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Handling and StorageBack to Contents
【Storage】

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Refrigerator (approx 4 C). Store protected from moisture.
【Handling】

Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation. Do not allow contact with water. Wash clothing before reuse. Keep from contact with moist air and steam.
Hazards IdentificationBack to Contents
【Inhalation】

Causes respiratory tract irritation. Can produce delayed pulmonary edema.
【Skin】

Causes skin irritation. Chronic exposure has been associated with an increased incidence of leukemia and multiple myelomas. Immunodepressive effects have been reported. Animal studies have reported fetotoxicity (growth retardation) and teratogenicity (exencephaly, angulated ribs, dilated brain ventricles).
【Eyes】

Causes eye irritation. Lachrymator. May cause chemical conjunctivitis.
【Ingestion】

May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
【Hazards】

Vapors form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapors may travel to source of ignition and flash back. Substance will react with water (some violently) releasing flammable, toxic or corrosive gases and runoff.
【EC Risk Phrase】

R 23/25 36/37/38 42
【EC Safety Phrase】

S 23 26 36/37/39 45
【UN (DOT)】

2206
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
【Exposure Effects】

Effects may be delayed. Chronic exposure has been associated with an increased incidence of leukemia and multiple myelomas. Immunodepressive effects have been reported. Animal studies have reported fetotoxicity (growth retardation) and teratogenicity (exencephaly, angulated ribs, dilated brain ventricles).
Fire Fighting MeasuresBack to Contents
【Flash Point】

86
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Do NOT get water inside containers. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
【Fire Potential】

HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Provide ventilation. Do not get water inside containers.
Stability and ReactivityBack to Contents
【Stability】

Stable at room temperature in closed containers under normal storage and handling conditions.
【Combustion Products】

Fire will produce irritating, corrosive and/or toxic gases.
Transport InformationBack to Contents
【UN Number】

2206
【Hazard Class】

6.1
【Packing Group】

II; III
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