Synonyms: O,S-dimethyl phosphoramidothioate (IUPAC); Tamaron; Monitor; SRA 5172; Ortho 9006

CAS No.: 10265-92-6   EC No.: 233-606-0

Molecular Weight:  141.13

Molecular Formula: C2H8NO2PS

Structural Formula:

m.p.: 39-41 deg. C

b.p.: decomposed

f.p.: 212 deg. C (close cup)

Methamidophos can be obtained by isomerization process of dimethyl thiophosphorylamide in dimethyl sulfate

Methamidophos is broad-spectrum insecticdie and acaricide with effection of stomach poisoning, systemic and contact toxicity, and with long-period (7 to 10 days) effection

73%TC, 585g/l SL 500g/l EC, 250g/l EC are available

Item	Specification
Appearance	Colorless transparent liquid
Methamidophos Content	73% min
Moisture	1.2% max.
Acidity (As H2SO4)	0.2% max

230kg/steel drum, 18400kg/20’FCL

Methamidophos is regulated by UN as hazardous substance

T+ Very toxic

N Dangerous for the environment

UN 2811

Class 6.1

PG: II

R-Phrase: R24, R26/28, R50

S-Phrase: S28, S36/37, S45, S61

For more information, please see MSDS

(Note: Methamidophos is a restricted chemical by Rotterdam Convention, users should be aware of state/local regulations limit on certain applications)