Dimefox

  • bis(Dimethylamido)fluorophosphate
  • bis(Dimethylamido)phosphoryl fluoride
  • bis(Dimethylamino)fluorophosphate
  • Bisdimethylaminofluorophosphine oxide
  • Tetramethyldiamidophosphoric fluoride
Formula
C4H12FN2OP
Structure
Description
Colorless liquid with a fishy odor.
Uses
Systemic acaricide, insecticide.

Registry Numbers and Inventories.
CAS
115-26-4
EC (EINECS/ELINCS)
204-076-8
EC Index Number
015-061-00-9
EC Class
Very toxic
RTECS
TD4025000
RTECS class
Agricultural Chemical and Pesticide
Merck
12,3250
Beilstein/Gmelin
1704257
Beilstein Reference
4-04-00-00283
EPA OPP
443100
Swiss Giftliste 1
G-1551

Properties.
Formula
C4H12FN2OP
Formula mass
154.12
Boiling point, °C
30 (0.4 torr)
Vapor pressure, mmHg
0.1
Density
1.1151 g/cm3 (20 C)
Solubility in water
miscible with @ 20 C
Surface tension
33.4 g/s2 (20 C)
Refractive index
1.4266 (20 C)

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
Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.
Respirators
Use NIOSH/MSHA approved respirator appropriate for exposure of concern.
Small spills/leaks
(Non-Specific -- Insecticide, Liquid, Poisonous, n.o.s.) Avoid inhalation. Do not touch spilled material; stop leak if you can do so without risk. Use water spray to reduce vapors. Small spills: absorb with sand or other noncombustible absorbent material and place into containers for later disposal. Large spills: dike far ahead of spill for later disposal.
Stability
Aq solution are stable dimefox is resistant to hydrolysis by alkali. It is hydrolyzed by acids, slowly oxidized by vigorous oxidizing agents, and rapidly oxidized by chlorine.

Fire.
Fire fighting
(Non-Specific -- Insecticide, Liquid, Poisonous, n.o.s.) Stay upwind; keep out of low areas. Wear positive pressure breathing apparatus and special protective clothing. Ventilate closed spaces before entering them. Move container from fire area if you can do so without risk. Dike fire control water for later disposal; do not scatter the material.Extinguish with dry chemical, carbon dioxide, water spray, fog, or foam.

Health.
Poison_Class
1
Exposure effects
Fever, low heart rate and abnormally low blood pressure, or rapid heart rate and elevated blood pressure may occur. Headache, dizziness, muscle spasms and profound weakness are common. Alterations of level of consciousness, anxiety, paralysis, seizures and coma may occur. Seizures may be more common in children.
   Ingestion
Vomiting, hypersalivation, diarrhea, fecal incontinence and abdominal pain may occur.
   Inhalation
Dyspnea, rales, bronchorrhea, bronchospasm, or tachypnea may be noted. Noncardiogenic pulmonary edema may occur in severe cases. Chemical pneumonitis may be seen.
   Skin
Sweating is a consistent but not universal sign.
   Eyes
Constriction of the pupil, tearing, and blurred vision are common. Prolonged dialation of the pupils may occur in severe poisonings. Opsoclonus has been reported in one case. Salivation commonly occurs.

First aid
 
   Ingestion
Seek medical attention. If individual is drowsy or unconscious, do not give anything by mouth; place individual on the left side with the head down. Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting. If possible, do not leave individual unattended.
   Inhalation
If symptoms develop, move individual away from exposure and into fresh air. If symptoms persist, seek medical attention. If breathing is difficult, administer oxygen. Keep person warm and quiet; seek immediate medical attention.
   Skin
Remove contaminated clothing. Wash exposed area with soap and water. If symptoms persist, seek medical attention. Launder clothing before reuse.
   Eyes
If symptoms develop, immediately move individual away from exposure and into fresh air. Flush eyes gently with water for at least 15 minutes while holding eyelids apart; seek immediate medical attention.

Transport.
USCG CHRIS Code
DFO