Product Identification
【Product Name】2,2-Dimethylbutyryl chloride
【Synonyms】2,2-二甲基丁酰氯
【CAS】5856-77-9
【Formula】C6H11ClO
【Molecular Weight】134.61000000000001
【EINECS】227-478-5
【Beilstein/Gmelin】1743925
【Beilstein Reference】4-02-00-00955

Physical and Chemical Properties
【Boiling Point】130-134℃
【Density】0.9973 g/cm3 (0℃)
【Refractive Index】1.4242 (20℃)

First Aid Measures
【Ingestion】Seek medical assistance.
【Inhalation】Move victim to fresh air. Apply artificial respiration if victim is not breathing. Administer oxygen if breathing is difficult.
【Skin】Remove and isolate contaminated clothing and shoes. In case of contact with substance, immediately flush with running water for at least 20 minutes.
Wash skin with soap and water.
【Eyes】In case of contact with substance, immediately flush with running water for at least 20 minutes.

Hazards Identification
【Ingestion】May cause toxic effects.
【Inhalation】Vapors may cause dizziness or suffocation. May cause toxic effects.
【Skin】Contact with substance may cause severe burns.
【Eyes】See Skin.
【Hazards】Vapors may form explosive mixtures with air. Vapors may travel to source of ignition and flash back. Most vapors are heavier than air. They will
sp along ground and collect in low or confined areas (sewers, basements, tanks). Vapor explosion hazard indoors, outdoors or in sewers.
【EC Risk Phrase】R 10 34
【EC Safety Phrase】S 26 36/37/39 45
【UN (DOT)】2924

Exposure Controls/Personal Protection
【Personal Protection】Wear appropriate protective gloves, clothing and ggles.
【Respirators】Wear positive pressure self-contained breathing apparatus (SCBA).

Fire Fighting Measures
【Fire Fighting】Small Fires: Dry chemical, carbon dioxide, water spray or alcohol-resistant foam. Large Fires: Water spray, fog or alcohol-resistant foam.
【Fire Potential】Flammable/combustible material. May be ignited by heat, sparks or flames.

Accidental Release Measures
【Small spills/leaks】Make no contact with the spilled material. Fully encapsulating, vapor protective clothing should be worn for spills and leaks with no fire. ELIMINATE all ignition sources and ground all equipment. Stop leak if you can do it without risk. A vapor suppressing foam may be used to reduce vapors. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. Use clean non-sparking tools to collect absorbed material.

Transport Information
【UN Number】2924

Stability and Reactivity
【Combustion Products】Fire will produce irritating, corrosive and/or toxic gases.