Agent Name

Barium styphnate

CAS Number

20236-55-9

Formula

C12-H4-N6-O16.Ba

Major Category

Other Uses

Synonyms

Barium bis(2,4,6-trinitroresorcinolate); [ChemIDplus] The barium salt of 2,4,6-trinitroresorcinol; UN0473 [CAMEO]

Category

Explosives

Description

Orange-yellow crystals; [CAMEO] Solubility--no data found;

Sources/Uses

A dangerous explosive; Keep spilled material wet; [CAMEO]

Comments

Dry material may explode after shock, heat, or friction; [CAMEO] Emits nitrogen oxides when heated to decomposition; [Sax] A worker suffered acute barium poisoning after an explosion of barium styphnate. [Reference #1] Styphnic acid is 2,4,6-trinitroresorcinol and has a CAS # of 82-71-3. It is used as a priming agent in explosives. [Hawley] See "Styphnic acid." See "Barium."

Restricted

Transport of "Substances, explosive, N.O.S." (UN0473) is restricted to not more than 2000 kg on a road vehicle. [TDG]

Reference Link

Poisoning as a result of barium styphnate explosion.

Exposure Assessment
TLV (ACGIH)

0.5 mg/m3, as Ba

PEL (OSHA)

0.5 mg/m3, as Ba

MAK

0.5 mg/m3, as Ba, inhalable fraction(soluble compds)

IDLH (NIOSH)

50 mg/m3, as Ba

Adverse Effects
ACGIH Carcinogen

Not Classifiable

Links to Other NLM Databases
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Chemical Information

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Related Information in HazMap
Other Information

No other related information on this agent was found.