Product Identification
【Product Name】2,5-Dichlorobenzonitrile
【CAS】21663-61-6
【Formula】C7H3Cl2N
【Molecular Weight】172.01
【EINECS】244-518-7
【Beilstein/Gmelin】2045293
【Beilstein Reference】3-09-00-01377

Physical and Chemical Properties
【Melting Point】130 ~132℃
【Boiling Point】269℃
【Partition Coefficient】3.18

First Aid Measures
【Ingestion】Seek medical assistance.
【Inhalation】Move victim to fresh air. Apply artificial respiration if victim is not breathing. Do not use mouth-to-mouth method if victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device. Administer oxygen if breathing is difficult.
【Skin】Remove and isolate contaminated clothing and shoes. Remove material from skin immediately. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid sping material on unaffected skin.
【Eyes】Immediately flush with running water for at least 20 minutes.

Hazards Identification
【Inhalation】Highly toxic, may be fatal if inhaled, swallowed or absorbed through skin. Effects of contact or inhalation may be delayed.
【Skin】Avoid any skin contact. See Inhalation.
【Eyes】See Inhalation.
【EC Risk Phrase】R 20/21/22 36/37/38
【EC Safety Phrase】S 26 36/37/39
【UN (DOT)】3276

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】Use method most appropriate to fight surrounding fire.
【Fire Potential】Non-Combustible

Accidental Release Measures
【Small spills/leaks】Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Cover with plastic sheet to prevent sping. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS.

Transport Information
【UN Number】3276

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