# NIOSH Pocket Guide to Chemical Hazards
Succinonitrile | CAS 110-61-2
NCCH2CH2CN | RTECS WN3850000
Synonyms & Trade Names Butanedinitrile; 1,2-Dicyanoethane; Dinile; Ethylene cyanide; Ethylene dicyanide; Succinic dinitrile | DOT ID & Guide
Exposure Limits | NIOSH REL: TWA 6 ppm (20 mg/m3)
OSHA PEL: none
IDLH N.D. | Conversion 1 ppm = 3.28 mg/m3
Physical Description Colorless, odorless, waxy solid. [Note: Forms cyanide in the body.]
MW: 80.1 | BP: 509°F | MLT: 134°F | Sol: 13%
VP(212°F): 2 mmHg | IP: ? |  | Sp.Gr: 0.99
Fl.P: 270°F | UEL: ? | LEL: ? |
Combustible Solid
Incompatibilities & Reactivities Oxidizers
Measurement Methods NIOSH Nitriles Crit. Doc.
Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: When contaminated Remove: When wet or contaminated Change: Daily Provide: Eyewash | First Aid (See procedures) Eye: Irrigate immediately Skin: Water wash immediately Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations NIOSH Up to 60 ppm: (APF = 10) Any supplied-air respirator Up to 150 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode Up to 250 ppm: (APF = 50) Any self-contained breathing apparatus with a full facepiece/(APF = 50) Any supplied-air respirator with a full facepiece Emergency or planned entry into unknown concentrations or IDLH conditions: (APF = 10,000) Any self-contained breathing apparatus that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode/(APF = 10,000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode in combination with an auxiliary self-contained positive-pressure breathing apparatus Escape: (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted organic vapor canister/Any appropriate escape-type, self-contained breathing apparatus
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms Irritation eyes, skin, respiratory system; headache, dizziness, lassitude (weakness, exhaustion), confusion, convulsions; blurred vision; dyspnea (breathing difficulty); abdominal pain, nausea, vomiting
Target Organs Eyes, skin, respiratory system, central nervous system, cardiovascular system
See also: INTRODUCTION