2,4-dimethyl-1,3,5-trinitrobenzene

C8H7N3O6

CAS632-92-8
GHS01 Gefahrensymbol: Explosionsgefährlich – Explodierende Bombe
GHS07 Gefahrensymbol: Gesundheitsschädlich/Reizend – Ausrufezeichen
GHS08 Gefahrensymbol: Gesundheitsgefahr – Gesundheitsgefahr
Danger

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Identification

CAS Number
632-92-8
EC Number
211-187-5
UN Number
Index Number
609-013-00-1
PubChem CID
69442

Physical-chemical properties

Molecular Formula
C8H7N3O6
Molar Mass
241.16 g/mol
IUPAC Name
2,4-dimethyl-1,3,5-trinitrobenzene

Chemical Identifiers

InChI
InChI=1S/C8H7N3O6/c1-4-6(9(12)13)3-7(10(14)15)5(2)8(4)11(16)17/h3H,1-2H3
InChI Key
GGGVOOMKPJYWDF-UHFFFAOYSA-N

Overview

2,4-dimethyl-1,3,5-trinitrobenzene (CAS 632-92-8) is a nitroaromatic explosive compound with high detonation sensitivity and significant toxicological properties. This polynitrated aromatic compound, with the molecular formula C8H7N3O6 and a molecular weight of 241.16 g/mol, belongs to the family of trinitrobenzene derivatives. The presence of three nitro groups (-NO2) combined with two methyl substituents creates a highly energetic material with explosive characteristics classified under GHS01 pictogram as Explosive 1.1. The compound exhibits acute toxicity through multiple exposure routes and potential for specific target organ toxicity with repeated exposure, earning it the "Danger" signal word under current hazard classification systems. The chemical structure features a benzene ring substituted with nitro groups at positions 1, 3, and 5, while methyl groups occupy positions 2 and 4. This arrangement significantly influences both its explosive properties and stability characteristics. Unlike related compounds such as lead(2+);2,4,6-trinitrobenzene-1,3-diolate, this particular derivative maintains organic solubility while retaining high explosive potential. Primary industrial applications include specialized explosive formulations for mining operations, military ordnance development, and controlled demolition applications where precise detonation characteristics are required. The compound also serves as an intermediate in the synthesis of other energetic materials and as a reference standard in analytical chemistry for explosive detection systems. Safety handling requires specialized protocols due to its explosive nature and toxicological profile, necessitating appropriate storage conditions and trained personnel for manipulation. OYSI provides 2,4-dimethyl-1,3,5-trinitrobenzene to qualified industrial customers with comprehensive safety documentation and regulatory compliance support throughout Europe.

Safety & Classification

Danger
Classification:

Expl. 1.1; Acute Tox. 4 *; Acute Tox. 4 *; Acute Tox. 4 *; STOT RE 2 *

HHazard Statements (H-Statements)

Describe the nature and severity of the hazard

H201

Explosive; mass explosion hazard.

H332

Harmful if inhaled.

H312

Harmful in contact with skin.

H302

Harmful if swallowed.

H373

May cause damage to organs through prolonged or repeated exposure.

Classification according to CLP Regulation (EC) No 1272/2008. The complete list of hazard and precautionary statements can be found in the Safety Data Sheet (SDS).

First Aid Measures

Inhalation

Harmful

Measures if vapours or dust are inhaled

First Aid Actions

  • +P304IF INHALED:
  • +P340Remove person to fresh air and keep comfortable for breathing.
  • +P311Call a POISON CENTER/doctor.

Related hazard statements:

Skin Contact

Harmful

Measures if substance contacts the skin

First Aid Actions

  • +P302IF ON SKIN:
  • +P352Wash with plenty of water.
  • +P361Take off immediately all contaminated clothing.
  • +P313Get medical advice/attention.

Related hazard statements:

Ingestion

Harmful

Measures if substance is accidentally swallowed

First Aid Actions

  • +P301IF SWALLOWED:
  • +P330Rinse mouth.
  • +P331Do NOT induce vomiting.
  • +P310Immediately call a POISON CENTER/doctor.

Related hazard statements:

General Measures

Emergency 112 | Poison Control: +49 30 19240 (DE), +33 1 45 42 59 59 (FR), +31 30 274 88 88 (NL)

First aid measures are based on CLP classification and associated P-statements. They do not replace the Safety Data Sheet (SDS). In case of emergency, always consult the full SDS and a physician.

Frequently Asked Questions

What is 2,4-dimethyl-1,3,5-trinitrobenzene?

2,4-dimethyl-1,3,5-trinitrobenzene is an explosive organic compound with the molecular formula C8H7N3O6 and CAS number 632-92-8. This nitroaromatic substance has a molecular weight of 241.16 g/mol and belongs to the trinitrobenzene family. It is classified as a Class 1.1 explosive, making it highly dangerous and requiring specialized handling procedures. The compound features three nitro groups attached to a benzene ring with two methyl substituents, contributing to its explosive properties and chemical reactivity.

What are the physicochemical properties of 2,4-dimethyl-1,3,5-trinitrobenzene?

2,4-dimethyl-1,3,5-trinitrobenzene is typically a crystalline solid at room temperature with a pale yellow to light brown color. The compound has limited solubility in water due to its aromatic structure but may dissolve in organic solvents. Its three nitro groups and methyl substituents significantly influence its physical properties, including melting point and stability. The substance exhibits high sensitivity to shock, friction, and heat, characteristic of nitroaromatic explosives. Its density and other specific physical parameters require careful determination under controlled conditions due to safety concerns.

What is 2,4-dimethyl-1,3,5-trinitrobenzene used for?

2,4-dimethyl-1,3,5-trinitrobenzene is primarily used in specialized applications requiring explosive materials, including military and defense applications. The compound may serve as an intermediate in the synthesis of other energetic materials or explosive formulations. Its applications are strictly regulated due to its explosive classification (Expl. 1.1) and require appropriate licenses and authorizations. Industrial uses are limited to facilities with proper safety infrastructure and qualified personnel. All applications must comply with strict safety protocols and regulatory requirements governing explosive substances.

How to handle 2,4-dimethyl-1,3,5-trinitrobenzene safely?

2,4-dimethyl-1,3,5-trinitrobenzene requires extreme caution during handling due to its explosive nature and toxicity. Personnel must wear appropriate personal protective equipment including anti-static clothing, safety glasses, and respiratory protection. Work areas must be explosion-proof with proper grounding and bonding systems to prevent static electricity buildup. Avoid friction, impact, heat sources, and incompatible materials. Only trained and authorized personnel should handle this substance in designated areas with adequate ventilation and emergency procedures. All handling operations must follow strict protocols for explosive materials.

How to store 2,4-dimethyl-1,3,5-trinitrobenzene correctly?

2,4-dimethyl-1,3,5-trinitrobenzene must be stored in specialized explosive storage facilities meeting regulatory requirements for Class 1.1 materials. Storage areas should be temperature-controlled, dry, and equipped with explosion-proof electrical systems. The substance must be kept away from heat sources, incompatible chemicals, and potential ignition sources. Containers should be properly labeled and stored in approved explosive storage magazines with appropriate separation distances. Regular inspections and inventory controls are mandatory, and storage quantities must comply with local regulations governing explosive materials.

What to do in case of contact with 2,4-dimethyl-1,3,5-trinitrobenzene?

Immediate action is required in case of contact with 2,4-dimethyl-1,3,5-trinitrobenzene due to its acute toxicity. For skin contact, remove contaminated clothing and wash thoroughly with soap and water. In case of eye contact, rinse immediately with plenty of water for at least 15 minutes and seek medical attention. If inhaled, move the person to fresh air and provide respiratory support if needed. For ingestion, do not induce vomiting and seek immediate medical care. Always inform medical personnel about the specific substance and its hazards.

How to dispose of 2,4-dimethyl-1,3,5-trinitrobenzene appropriately?

2,4-dimethyl-1,3,5-trinitrobenzene disposal requires specialized explosive waste management procedures by licensed hazardous waste contractors. The substance cannot be disposed of through normal waste streams due to its explosive classification and toxicity. Disposal methods typically include controlled detonation or specialized treatment at authorized facilities equipped for explosive materials. All disposal activities must comply with local, national, and international regulations governing explosive waste. Documentation and tracking throughout the disposal process are mandatory to ensure proper chain of custody.

How to transport 2,4-dimethyl-1,3,5-trinitrobenzene?

2,4-dimethyl-1,3,5-trinitrobenzene transportation requires compliance with ADR regulations for explosive materials and specialized dangerous goods procedures. Only authorized carriers with explosive transport permits can handle shipments. The substance must be packaged in UN-approved containers with proper labeling including explosive hazard markings and GHS pictograms (GHS01, GHS07, GHS08). Transport vehicles require special equipment and routing restrictions. All personnel involved must have appropriate dangerous goods training and certifications for handling explosive materials during transport operations.

Is 2,4-dimethyl-1,3,5-trinitrobenzene subject to specific regulations?

2,4-dimethyl-1,3,5-trinitrobenzene is subject to extensive regulations as an explosive substance under various frameworks including CLP classification, REACH regulation, and national explosive control laws. The compound requires proper classification labeling with danger signal word and appropriate GHS pictograms. While not listed as SVHC, its explosive and toxic properties trigger strict regulatory controls including licensing requirements, reporting obligations, and restricted access. Users must comply with workplace safety regulations, environmental protection laws, and security measures governing explosive materials in their respective jurisdictions.

Where to buy 2,4-dimethyl-1,3,5-trinitrobenzene in Europe?

2,4-dimethyl-1,3,5-trinitrobenzene can be sourced through OYSI, a specialized European distributor of technical chemicals with expertise in handling regulated substances. Due to its explosive classification and regulatory restrictions, procurement requires proper licensing and authorization from qualified end-users. OYSI ensures compliance with all applicable regulations and provides appropriate documentation, packaging, and transport arrangements. Customers must demonstrate legitimate use and maintain proper storage and handling capabilities. Contact OYSI directly to discuss specific requirements and regulatory compliance for this controlled explosive substance.

Data Sources

Classification per CLP Regulation (EC) No 1272/2008. Data from ECHA and PubChem.