Adiponitrile
Synonyms & Trade Names
1,4-Dicyanobutane, Hexanedinitrile, Tetramethylene cyanideExposure Limits
NIOSH REL
TWA 4 ppm (18 mg/m3)OSHA PEL
nonePhysical Description
Water-white, practically odorless, oily liquid. [Note: A solid below 34°F. Forms cyanide in the body.]Molecular Weight
108.2Boiling Point
563°FFreezing Point
34°FSolubility
4.5%Vapor Pressure
0.002 mmHgIonization Potential
?Specific Gravity
0.97Flash Point
(oc) 199°FUpper Exposive Limit
5.0%Lower Explosive Limit
1.7%Incompatibilities & Reactivities
Oxidizers (e.g., perchlorates, nitrates), strong acids (e.g., sulfuric acid) [Note: Decomposes above 194°F, forming hydrogen cyanide.]Exposure Routes
inhalation, skin absorption, ingestion, skin and/or eye contactSymptoms
irritation eyes, skin, respiratory system; headache, dizziness, lassitude (weakness, exhaustion), confusion, convulsions; blurred vision; dyspnea (breathing difficulty); abdominal pain, nausea, vomitingTarget Organs
Eyes, skin, respiratory system, central nervous system, cardiovascular systemPersonal Protection/Sanitation
(See protection codes)Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:When contaminated
Remove:When wet or contaminated
Change:Daily
First Aid
(See procedures)Eye:Irrigate immediately
Skin:Soap wash immediately
Breathing:Respiratory support
Swallow:Medical attention immediately
Respirator Recommendations
NIOSH
Up to 40 ppm:
(APF = 10) Any supplied-air respirator
Up to 100 ppm:
(APF = 25) Any supplied-air respirator operated in a continuous-flow mode
Up to 200 ppm:
(APF = 50) Any self-contained breathing apparatus with a full facepiece
(APF = 50) Any supplied-air respirator with a full facepiece
Up to 250 ppm:
(APF = 2000) Any supplied-air respirator that has a full facepiece and is operated in a pressure-demand or other positive-pressure mode
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
- Page last reviewed:April 11, 2016
- Page last updated:April 11, 2016
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Education and Information Division