# NIOSH Pocket Guide to Chemical Hazards
Propylene glycol dinitrate | CAS 6423-43-4
CH3CNO2OHCHNO2OH | RTECS TY6300000
Synonyms & Trade Names PGDN; Propylene glycol-1,2-dinitrate; 1,2-Propylene glycol dinitrate | DOT ID & Guide
Exposure Limits | NIOSH REL: TWA 0.05 ppm (0.3 mg/m3) [skin]
OSHA PEL†: none
IDLH N.D. | Conversion 1 ppm = 6.79 mg/m3
Physical Description Colorless liquid with a disagreeable odor. [Note: A solid below 18°F.]
MW: 166.1 | BP: ? | FRZ: 18°F | Sol: 0.1%
VP(72°F): 0.07 mmHg | IP: ? |  | Sp.Gr(77°F): 1.23
Fl.P: ? | UEL: ? | LEL: ? |
Combustible Liquid
Incompatibilities & Reactivities Ammonia compounds, amines, oxidizers, reducing agents, combustible materials [Note: Similar to Ethylene glycol dinitrate in explosion potential.]
Measurement Methods None available
Personal Protection & Sanitation Skin: Prevent skin contact Eyes: Prevent eye contact Wash skin: No recommendation Remove: No recommendation Change: No recommendation | First Aid (See procedures) Eye: Irrigate immediately Skin: Soap wash Breathing: Respiratory support Swallow: Medical attention immediately
Respirator Recommendations To be added later
Exposure Routes inhalation, skin absorption, ingestion, skin and/or eye contact
Symptoms Irritation eyes; conjunctivitis; methemoglobinemia; headache, impaired balance, visual disturbance; in animals: liver, kidney damage
Target Organs Eyes, central nervous system, blood, liver, kidneys
See also: INTRODUCTION