Styphnic acid
Agent Name
Styphnic acid
Alternative Name
Trinitroresorcinol
CAS Number
82-71-3
Formula
C6-H3-N3-O8
Major Category
Other Uses
Synonyms
1,3-Benzenediol, 2,4,6-trinitro-; Resorcinol, 2,4,6-trinitro- (8CI); Trinitroresorcinol or styphnic acid, dry or wetted with < 20% water, or mixture of alcohol and water, by mass; Trinitroresorcinol or styphnic acid, wetted with not < 20% water, or mixture of alcohol and water, by mass; 2,4,6-Trinitro-1,3-benzenediol; 2,4,6-Trinitroresorcinol; 2,4-Dihydroxy-1,3,5-trinitrobenzene; [ChemIDplus] UN0219 (dry or wetted with
<20% water, or mixture of alcohol and water, by mass); UN0394 (wetted with not < 20%
water, or mixture of alcohol and water, by mass)
Category
Explosives
Description
Yellow solid; [Merck Index] Ellipsoid particles; [Olin Winchester Ammunition MSDS]
Sources/Uses
Has been used to make explosives; [Merck Index] Used as a priming agent; [CAMEO] Used as a secondary explosive; [Olin Winchester Ammunition MSDS]
Comments
A strong oxidizing agent; Highly sensitive to heat and may explode; [CAMEO] Explosive; A skin and eye irritant; May cause CNS depression and methemoglobinemia followed by liver and kidney injury; Toxic to the kidney, blood, and nervous system; Harmful by ingestion, inhalation, and skin absorption; [Olin Winchester Ammunition MSDS] See "Barium styphnate." See "1,3,5-Trinitrobenzene."
Biomedical References
Exposure Assessment
Vapor Pressure
2.57E-09 mm Hg
Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Explosives, division 1.1, 1.2, 1.3, or 1.5."
Adverse Effects
Methemoglobinemia
MetHgb is secondary toxic effect
Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
Diseases, Processes, and Activities Linked to This Agent
Other Information
No other related information on this agent was found.