NIOSH Pocket Guide to Chemical Hazards


CAS 110-61-2


RTECS WN3850000
Synonyms & Trade Names
Butanedinitrile; 1,2-Dicyanoethane; Dinile; Ethylene cyanide; Ethylene dicyanide; Succinic dinitrile
DOT ID & Guide


NIOSH REL: TWA 6 ppm (20 mg/m3)
OSHA PEL: none
IDLH N.D. See: IDLH INDEX 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
Measurement Methods
NIOSH Nitriles Crit. Doc.
See: NMAM or OSHA Methods
Personal Protection & Sanitation (See protection)
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
Important additional information about respirator selection
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
(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