Dinoterb

  • 2-tert-butyl-4,6-Dinitrophenol
  • 2-(1,1-Dimethylethyl)-4,6-dinitrophenol
  • 2,4-Dinitro-6-tert-Butylphenol
  • Dinoterbe
Formula
C10H12N2O5
Structure
Description
Yellow solid.
Uses
Contact herbicide used: for post-emergence to control annual weeds in cereals, lucerne and maize, pre-emergence in beans and peas.

Registry Numbers and Inventories.
CAS
1420-07-1
EC (EINECS/ELINCS)
215-813-8
EC Index Number
609-030-00-4
EC Class
Toxic for reproduction Category 2; Very toxic; Toxic; Risk of explosion if heated under confinement; Dangerous for the Environment
RTECS
SK0160000
RTECS class
Agricultural Chemical and Pesticide
UN (DOT)
1599
Beilstein/Gmelin
1887173
Beilstein Reference
4-06-00-03293
EPA OPP
228400
Swiss Giftliste 1
G-4072
Japan ENCS (MITI)
Listed

Properties.
Formula
C10H12N2O5
Formula mass
240.24
Melting point, °C
127
Solubility in water
practically insoluble
Partition coefficient, pKow
3.51

Hazards and Protection.
Storage
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Wear full protective clothing.
Respirators
Wear self-contained breathing apparatus.
Small spills/leaks
Avoid inhalation. (Non-Specific -- Dinitro-o-Cresol) Do not touch spilled material; stop source of spill or leak if it can be done without risk. Take up small spills with sand or other noncombustible absorbent material and place into containers for later disposal. Small dry spills: with clean shovel place material into clean, dry container and cover. Remove from spill area for later removal. Dike far ahead of spill for later disposal.
Stability
Stable in neutral, acidic and alkaline media.
Incompatibilities
If mixed with reducing agents, including hydrides, sulfides and nitrides, they may begin a vigorous reaction that culminates in a detonation.

Fire.
Fire fighting
(Non-Specific -- Dinitro-o-cresol) Isolate hazard area, stay upwind, and keep out of low areas. Wear self-contained breathing apparatus and full protective clothing.(Non-Specific -- Dinitro-o-cresol) Use dry chemical, carbon dioxide, water spray, or foam for small fires, and water spray, fog, or foam for large fires. Move container from fire area if possible.
Fire potential
Combustible material: may burn but does not ignite readily.
Hazards
When heated to decomposition it emits toxic nitrogen oxide fumes.
Combustion products
Toxic oxides of nitrogen are produced during combustion of this material.

Health.
Exposure effects
An elevated respiratory rate and temperature with diaphoresis are commonly seen. Rapid heart rate frequently occurs in acute poisoning. Personality changes, toxic psychosis, night sweats, and lethargy have been described after acute dermal and inhalational exposure to the similar agent, dinoseb. Headache, lassitude, confusion, apprehension, and manic behavior may be seen. Coma and seizures may develop in serious poisonings.
   Ingestion
Intermittent abdominal pain, nausea, vomiting, and excessive thirst have been described following exposure to the similar agent, dinoseb. The stools may be a bright yellow color.
   Inhalation
Intermittent chest pain has been described in a patient with dermal and inhalational exposure to the similar compound, dinoseb. Shortness of breath and hemoptysis were also described.
   Skin
Yellow staining of the skin, hair, and nails may be seen if direct contact occurs. Profuse sweating or shivering may be noted. Systemic dinoterb poisoning may be manifested by facial flushing.
   Eyes
The similar compound, dinoseb, caused severe irritation and permanent corneal injury when instilled into rabbit eyes. The sclera may be stained yellow

First aid
 
   Ingestion
The possible benefit of early removal of some ingested material by cautious gastric lavage must be weighed against potential complications of bleeding or perforation. Activated charcoal activated charcoal binds most toxic agents and can decrease their systemic absorption if administered soon after ingestion. Activated charcoal: administer charcoal as a slurry (240 ml water/30 g charcoal). Usual dose: 25 to 100 g in adults/adolescents.
   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 beta2 agonist and corticosteroid aerosols.
   Skin
Remove contaminated clothing and jewelry. Wash the skin, including hair and nails, vigorously; do repeated soap washings. Discard contaminated clothing. Cutaneous exposure is usually accompanied by a yellowish discoloration which does not have to be removed entirely to prevent absorption.
   Eyes
Irrigate exposed eyes with copious amounts of tepid water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist, the patient should be seen in a health care facility. No cases of systemic toxicity in humans following ocular exposure to this compound have been reported. Should systemic toxicity develop following eye exposure: treatment should include recommendations listed in the inhalation exposure section when appropriate.

Transport.
UN number
1599
Response guide
Hazard class
6.1
USCG CHRIS Code
DTR