Malaoxon

Suppliers

Names

[ CAS No. ]:
1634-78-2

[ Name ]:
Malaoxon

[Synonym ]:
diethyl 2-[(dimethoxyphosphoryl)thio]succinate
Malathion impurity B
Liromat
Diethyl-2-[(dimethoxyphosphoryl)sulfanyl]butandioat
Malathion-O-analog
dimethoxyphosphorylsulfanyl-succinic acid diethyl ester
Maloxon
rac-malaoxon
diethyl 2-[(dimethoxyphosphoryl)sulfanyl]butanedioate
Diethyl 2-[(dimethoxyphosphoryl)sulfanyl]succinate
Butanedioic acid, 2-[(dimethoxyphosphinyl)thio]-, diethyl ester
Dimethoxyphosphorylmercapto-bernsteinsaeure-diaethylester
MFCD00055461
Butanedioic acid, [(dimethoxyphosphinyl)thio]-, diethyl ester
Malaoxone
Oxycarbophos
Carbethoxy malaoxon
Malaoxon

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
376.0±52.0 °C at 760 mmHg

[ Melting Point ]:
<20℃

[ Molecular Formula ]:
C10H19O7PS

[ Molecular Weight ]:
314.292

[ Flash Point ]:
181.2±30.7 °C

[ Exact Mass ]:
314.058899

[ PSA ]:
123.24000

[ LogP ]:
2.07

[ Appearance of Characters ]:
liquid

[ Vapour Pressure ]:
0.0±0.9 mmHg at 25°C

[ Index of Refraction ]:
1.470

MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
WM8410000
CHEMICAL NAME :
Succinic acid, mercapto-, diethyl ester, S-ester with O,O-dimethylphosphorothioate
CAS REGISTRY NUMBER :
1634-78-2
LAST UPDATED :
199806
DATA ITEMS CITED :
12
MOLECULAR FORMULA :
C10-H19-O7-P-S
MOLECULAR WEIGHT :
314.32
WISWESSER LINE NOTATION :
2OV1YVO2&SPO&O1&O1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
158 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
17500 ug/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
215 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
75 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
119 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - changes in structure or function of salivary glands
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
8200 ug/kg
SEX/DURATION :
female 18 day(s) after conception
TOXIC EFFECTS :
Reproductive - Maternal Effects - other effects Reproductive - Specific Developmental Abnormalities - Central Nervous System
TYPE OF TEST :
Sex chromosome loss and nondisjunction

MUTATION DATA

TYPE OF TEST :
Sister chromatid exchange
TEST SYSTEM :
Rodent - hamster Ovary
DOSE/DURATION :
100 umol/L
REFERENCE :
JTEHD6 Journal of Toxicology and Environmental Health. (Hemisphere Pub., 1025 Vermont Ave., NW, Washington, DC 20005) V.1- 1975/76- Volume(issue)/page/year: 8,939,1981

Safety Information

[ Symbol ]:

GHS06

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H301-H310

[ Precautionary Statements ]:
Missing Phrase - N15.00950417-P262-P280-P302 + P352 + P310-P361 + P364

[ Personal Protective Equipment ]:
Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter

[ Hazard Codes ]:
F,Xn,N,T

[ Risk Phrases ]:
11-38-50/53-65-67-24/25

[ Safety Phrases ]:
60-61-62-45-36/37/39-46-37-24

[ RIDADR ]:
UN 3018

[ RTECS ]:
WM8410000

[ Packaging Group ]:
III

[ Hazard Class ]:
6.1(b)

Synthetic Route

Precursor & DownStream

Precursor

  • Malathion
  • 2-mercaptosuccinic acid diethyl ester
  • Trimethyl phosphite

DownStream

Articles

Acetylcholinesterase immobilized on magnetic beads for pesticides detection: application to olive oil analysis.

Sensors (Basel.) 12(6) , 7893-904, (2012)

This work presents the development of bioassays and biosensors for the detection of insecticides widely used in the treatment of olive trees. The systems are based on the covalent immobilisation of ac...

Risk assessment of pesticides detected in surface water of the Alqueva reservoir (Guadiana basin, southern of Portugal).

Sci. Total Environ. 488-489 , 208-19, (2014)

The purpose of this study was to evaluate the potential impact of the pesticides detected in the Alqueva reservoir (Guadiana Basin, South Iberian Peninsula) on the aquatic organisms belonging to this ...

Albumin binding as a potential biomarker of exposure to moderately low levels of organophosphorus pesticides.

Biol. Cell 13 , 343-63, (2008)

We have evaluated the potential of plasma albumin to provide a sensitive biomarker of exposure to commonly used organophosphorus pesticides in order to complement the widely used measure of acetylchol...


More Articles


Related Compounds

  • (R)-malaoxon
  • Malonate malaoxon
  • Succinate malaoxon
  • Di-n-butyl malaoxon
  • Carb-N-butoxy malaoxon
  • Carbisopropoxy malaoxon