o-Dinitrosobenzene

  • 1,2-Dinitrosobenzene
Formula
C6H4(NO)2
Structure
Uses
Crosslinking agent for natural and butyl rubber, monomer for polydinitrosobenzene-vulcanizing accelerator dinitrosobenzene.

Registry Numbers and Inventories.
CAS
7617-57-4
RTECS
CZ7875000
RTECS class
Agricultural Chemical and Pesticide
Beilstein/Gmelin
2353866
Beilstein Reference
4-05-00-00707

Properties.
Formula
C6H4N2O2
Formula mass
136.12
Boiling point, °C
275
Vapor pressure, mmHg
0.009 (25 C)
Solubility in water
Slightly soluble
Heat of vaporization
49.3 kJ/mol

Hazards and Protection.

Fire.
Flash Point,°C
111

Health.
Exposure effects
   Ingestion
Irritation or burns of the esophagus or gastrointestinal tract are possible
   Inhalation
Causes irritation.
   Skin
Causes irritation.
   Eyes
Causes irritation.

First aid
 
   Ingestion
Consider after ingestion of a potentially life-threatening amount of poison if it can be performed soon after ingestion (generally within 1 hour). Protect airway by placement in Trendelenburg and left lateral decubitus position or by endotracheal intubation. Control any seizures first. Dilution with milk or water mabe be of benefit.
   Inhalation
Move patient to fresh air. Monitor for respiratory distress. If cough or difficulty breathing develops, evaluate for respiratory tract irritation bronchitis, or pneumonitis. Administer oxygen and assist ventilation as required. Treat bronchospasm with inhaled beta2 agonist and oral or parenteral corticosteroids.
   Skin
Remove contaminated clothing and wash exposed area thoroughly with soap and water. Treat dermal irritation or burns with standard topical therapy. Patients developing dermal hypersensitivity reactions may require treatment with systemic or topical corticosteroids or antihistamines.
   Eyes
Irrigate exposed eyes with copious amounts of room temperature water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist, the patient should be seen in a health care facility.

Transport.