Propetamphos

  • Safrotin
  • 3-((Ethylamino)methoxyphosphinothidyl)oxy)-2-butenoic acid
  • Isopropyl 3-ethylamino(methoxy)phosphinothioyloxy)isocrotonate
Formula
C10H20NO4PS
Structure
Description
Yellow oily liquid.
Uses
An insecticide.

Registry Numbers and Inventories.
CAS
31218-83-4
EC (EINECS/ELINCS)
250-517-2
EC Index Number
015-136-00-6
RTECS
GQ4750000
RTECS class
Agricultural Chemical and Pesticide
UN (DOT)
3278
Merck
12,8000
Beilstein/Gmelin
1979853
Beilstein Reference
5-04
EPA OPP
216800
Swiss Giftliste 1
G-10342
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C10H20NO4PS
Formula mass
281.31
Boiling point, °C
321
Vapor pressure, mmHg
0.0003 (25 C)
Solubility in water
Soluble
Refractive index
1.495 (20 C)
Heat of vaporization
56.3 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Store in a cool dry place.
Protection
Wear appropriate government approved respirator, chemical-resistant gloves, safety goggles, other protective clothing.
Respirators
Wear positive pressure self-contained breathing apparatus (SCBA).
Small spills/leaks
Absorb on sand or vermiculite and place in closed containers for disposal.
Incompatibilities
Organophosphates are susceptible to formation of highly toxic and flammable phosphine gas in the presence of strong reducing agents such as hydrides. Partial oxidation by oxidizing agents may result in the release of toxic phosphorus oxides.
Decomposition
Carbon monoxide, Carbon dioxide, Phosphorous oxides.

Fire.
Fire fighting
Extinguish using Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Fire potential
Non-Combustible
Hazards
Emits toxic fumes under fire conditions.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Poison_Class
3
Exposure effects
Properties of this material have not yet been prepared. Any recommendations are of a general nature. Many chemicals cause irritation of the eyes, skin, and respiratory tract. In severe cases respiratory tract irritation can progress to ARDS/acute lung injury which may be delayed in onset for up to 24 to 72 hours in some cases Irritation or burns of the esophagus or gastrointestinal tract are also possible if caustic or irritant chemicals are ingested. ALWAYS contact your local poision control authority or medical professional for assistance.
   Ingestion
Toxic if swallowed.
   Inhalation
Material may be irritating to mucous membranes and upper respiratory tract. May be harmful if inhaled.
   Skin
May cause skin irritation. Harmful if absorbed through skin. Readily absorbed through skin.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
Seek medical assistance.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
   Skin
Remove and isolate contaminated clothing and shoes. Remove material from skin immediately. Immediately flush with running water for at least 20 minutes. For minor skin contact, avoid spreading material on unaffected skin.
   Eyes
Immediately flush with running water for at least 20 minutes.

Transport.
UN number
3278
Response guide
Hazard class
6.1
Packing Group
III