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129-66-8

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Basic Information
CAS No.: 129-66-8
Name: 2,4,6-TRINITROBENZOIC ACID
Article Data: 28
Molecular Structure:
Molecular Structure of 129-66-8 (2,4,6-TRINITROBENZOIC ACID)
Formula: C7H3 N3 O8
Molecular Weight: 257.116
Synonyms: 1-Carboxy-2,4,6-trinitrobenzene;2,4,6-Trinitrobenzoic acid; NSC 133453; TNBA; Trinitrobenzoic acid;sym-Trinitrobenzoic acid
Density: 1.87g/cm3
Melting Point: 232℃
Boiling Point: 435.8°Cat760mmHg
Flash Point: 193.6°C
Solubility: 20.12g/L(23.5 oC)
Appearance: clear yellow to brownish liquid
Hazard Symbols: Dangerous, explodes by heat or shock.
Risk Codes: R36/37/38
Safety: An explosive. A hazard in preparation. Reacts with heavy metals to form heat- or impact-sensitive explosive salts. When heated to decomposition it emits toxic fumes of NOx. See also NITRO COMPOUNDS of AROMATIC HYDROCARBONS and EXPLOSIVES, HIGH.
PSA: 174.76000
LogP: 2.67900
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Chemistry

Product Name: Trinitrobenzoic acid (dry) (CAS NO.129-66-8)


Molecular Formula: C7H3N3O8
Molecular Weight: 257.11g/mol
Mol File: 129-66-8.mol
Einecs: 204-958-2
Boiling point: 435.8 °C at 760 mmHg
Flash Point: 193.6 °C
Density: 1.87 g/cm3
Surface Tension: 100.9 dyne/cm
Enthalpy of Vaporization: 72.95 kJ/mol
Vapour Pressure: 2.3E-08 mmHg at 25°C
XLogP3-AA: 0.2
H-Bond Donor: 1
H-Bond Acceptor: 8

Safety Profile

An explosive. A hazard in preparation. Reacts with heavy metals to form heat- or impact-sensitive explosive salts. When heated to decomposition it emits toxic fumes of NOx. See also NITRO COMPOUNDS of AROMATIC HYDROCARBONS and EXPLOSIVES, HIGH.

Standards and Recommendations

DOT Classification:  EXPLOSIVE 1.1D; Label: EXPLOSIVE 1.1D (UN 0215); DOT Class: 4.1; Label: Flammable Solid (UN 1355)

Specification

 Trinitrobenzoic acid (dry),its CAS NO. is 129-66-8,the synonyms is 2,4,6-Trinitrobenzoic acid ; Labotest-bb lt00044466 ; Sym-trinitrobenzoic acid ; 2,4,6-Trinitro-benzoicaci ; Benzoic acid, trinitro- ; Benzoic acid, trinitro- (dry) ; Benzoic acid, trinitro- (wet) ; Benzoicacid,trinitro-(dry) .