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HomeProduct name listFAMPHUR

FAMPHUR

Synonym(s):O-(4-Dimethylsulfamoylphenyl)-O,O-dimethyl-phosphorothioate;Famophos

  • CAS NO.:52-85-7
  • Empirical Formula: C10H16NO5PS2
  • Molecular Weight: 325.34
  • MDL number: MFCD00055307
  • EINECS: 200-154-0
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-05-04 17:34:39
FAMPHUR Structural

What is FAMPHUR?

Chemical properties

Crystalline powder. Very soluble in chloroform and carbon tetrachloride; slightly soluble in water.

The Uses of FAMPHUR

Insecticide.

Definition

ChEBI: Famphur is an organic thiophosphate and an organothiophosphate insecticide. It has a role as an EC 3.1.1.7 (acetylcholinesterase) inhibitor, an agrochemical and an anthelminthic drug. It is functionally related to a 4-hydroxy-N,N-dimethylbenzenesulfonamide.

General Description

Crystalline powder. Very toxic. Cholinesterase inhibitor. Restricted use as insecticide.

Air & Water Reactions

Slightly soluble in water.

Reactivity Profile

Organothiophosphates, such as FAMPHUR, 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.

Hazard

Cholinesterase inhibitor, use may be restricted.

Metabolism

The principal degradation routes in mammals are P?Ophenyl bond cleavage and O-demethylation. Oxidative desulfuration and N-demethylation also take place to form toxic metabolites.

Toxicity evaluation

The acute oral LD50 for rats is 35–62 mg/kg.

Properties of FAMPHUR

Melting point: 53℃
Boiling point: 394.2±52.0 °C(Predicted)
Density  1.354±0.06 g/cm3(Predicted)
vapor pressure  3 x 10-5 Pa (est. 20 °C)
Flash point: >100 °C
storage temp.  APPROX 4°C
form  Liquid
Water Solubility  5000 (est. 20 °C)
pka -5.18±0.70(Predicted)
Merck  13,3963
BRN  2224254
EPA Substance Registry System Famphur (52-85-7)

Safety information for FAMPHUR

Signal word Danger
Pictogram(s)
ghs
Skull and Crossbones
Acute Toxicity
GHS06
GHS Hazard Statements H300:Acute toxicity,oral
H311:Acute toxicity,dermal
H315:Skin corrosion/irritation
H319:Serious eye damage/eye irritation
Precautionary Statement Codes P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P270:Do not eat, drink or smoke when using this product.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for FAMPHUR

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