ChemicalBook >>Oxalyl chloride>>Ethanedioyl dichloride(79-37-8)

Ethanedioyl dichloride(79-37-8)

Ethanedioyl dichloride(79-37-8)
Product IdentificationBack to Contents
【Product Name】

Ethanedioyl dichloride
【Synonyms】

Ethanedioyl chloride
Oxalic acid chloride
Oxalic acid dichloride
Oxaloyl dichloride
Oxalyl dichloride
【CAS】

79-37-8
【Formula】

C2Cl2O2
【Molecular Weight】

126.93
【EINECS】

201-200-2
【RTECS】

KI2950000
【RTECS Class】

Other
【Merck】

12,7046
【Beilstein/Gmelin】

1361988
【Beilstein Reference】

4-02-00-01853
【EC Class】

toxic, corrosive
Physical and Chemical PropertiesBack to Contents
【Appearance】

Clear, colorless liquid. Pungent odor.
【Solubility in water】

Slightly soluble
【Melting Point】

-12
【Boiling Point】

63
【Vapor Pressure】

170 (25 C)
【Density】

1.4884 g/cm3 (13 C)
【Partition Coefficient】

1.08
【Heat Of Vaporization】

30.6 kJ/mol
【Usage】

Reagent used in organic synthesis.
【Vapor Density】

4.4
【Refractive Index】

1.43111 (12.9 C)
First Aid MeasuresBack to Contents
【Ingestion】

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

Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. DO NOT use mouth-to-mouth respiration. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask.
【Skin】

Get medical aid immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Destroy contaminated shoes. If water-reactive products are embedded in the skin, no water should be applied. The embedded products should be covered with a light oil.
【Eyes】

Get medical aid immediately. Do NOT allow victim to rub or keep eyes closed. Extensive irrigation is required (at least 30 minutes).
Handling and StorageBack to Contents
【Storage】

Store in a cool, dry place. Store in a tightly closed container. Keep under a nitrogen blanket. Keep away from water.
【Handling】

Remove contaminated clothing and wash before reuse. Use only in a well ventilated area. Do not allow water to get into the container because of violent reaction. Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale. Do not allow contact with water. Discard contaminated shoes. Keep from contact with moist air and steam.
Hazards IdentificationBack to Contents
【Inhalation】

Harmful if inhaled. Causes chemical burns to the respiratory tract. May cause severe irritation of the respiratory tract with possible burns. Aspiration may lead to pulmonary edema. May cause systemic effects.
【Skin】

Contact with skin causes irritation and possible burns, especially if the skin is wet or moist. May cause skin rash (in milder cases), and cold and clammy skin with cyanosis or pale color.
【Eyes】

Causes eye burns. Lachrymator. When substances becomes wet or comes in contact with moisture of the mucous membranes, it becomes an irritant. May cause chemical conjunctivitis and corneal damage.
【Ingestion】

May cause severe and permanent damage to the digestive tract. Causes gastrointestinal tract burns. May cause perforation of the digestive tract. May be harmful if swallowed. May cause systemic effects.
【Hazards】

Contact with metals may evolve flammable hydrogen gas.
【EC Risk Phrase】

R 14 23/24/25 34
【EC Safety Phrase】

S 26 36/37/39 45
【UN (DOT)】

2922
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.
【Poison Class】

1
Fire Fighting MeasuresBack to Contents
【Flash Point】

5
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Reacts violently with water giving off flammable gas which may explode. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Water Reactive. Material will react with water and may release a flammable and/or toxic gas. Use water spray to keep fire-exposed containers cool. May ignite or explode on contact with steam or moist air. Containers may explode when heated. May re-ignite after fire is extinguished. Extinguishing media: Use dry sand or earth to smother fire. Use foam, dry chemical, or carbon dioxide. DO NOT USE WATER! Do NOT get water inside containers. Contact professional fire-fighters immediately. Cool containers with flooding quantities of water until well after fire is out.
【Fire Potential】

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Absorb spill using an absorbent, non-combustible material such as earth, sand, or vermiculite. Provide ventilation. Do not expose spill to water.
Stability and ReactivityBack to Contents
【Disposal Code】

11
【Stability】

Combines vigorously or explosively with water.
【Incompatibilities】

Oxidizing agents, bases, alcohols, amines, steel, potassium, sodium potassium, water.
【Decomposition】

Hydrogen chloride, phosgene, carbon monoxide, carbon dioxide.
【Combustion Products】

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

2922
【Hazard Class】

8
【Packing Group】

I; II; III
【HS Code】

2917 19 90
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