| 5094 | Trimethyl phosphiteMethyl phosphite, P(OCH3)3, P(OMe)3, Trimethoxyfosfin, Trimethoxyphosphine, Trimethylfosfit, Trimethylphosphit , Trimethyphosphite, Phophorous acid, trimethyl ester, Trimethoxy phosphine, |  | Act on the Prohibition of Chemical Weapons | Second Class Designated Chemicals (Precursor) | Attached table 3-4-4 of Cabinet order |  |  |  |  | 
| 3639 | Trimethyl phosphiteMethyl phosphite, P(OCH3)3, P(OMe)3, Trimethoxyfosfin, Trimethoxyphosphine, Trimethylfosfit, Trimethylphosphit , Trimethyphosphite, Phophorous acid, trimethyl ester, Trimethoxy phosphine, |  | Customs Act | Minister's Item 2 Import Approval (Related to the Chemical Weapons Prohibition Act) | Class II designated chemicals - Source materials | Prohibition of import/export; application required for import/export | Ministry of Finance |  | Minister's Item 2 Import Approval (Related to the Chemical Weapons Prohibition Act) | 
| 1127 | Trimethyl phosphiteMethyl phosphite, P(OCH3)3, P(OMe)3, Trimethoxyfosfin, Trimethoxyphosphine, Trimethylfosfit, Trimethylphosphit , Trimethyphosphite, Phophorous acid, trimethyl ester, Trimethoxy phosphine, |  | Fire Service Act | Type 4 Ignite liquid | Class 2 petroleum Nonaqueous liquid | Handling or storage; Submission of a notification in the case that the amount is 20-100% of the specified value; permit required in the case that the amount is >100% of the specified value (the sum of proportions is calculated when storing/handling multiple classes in the same place) | Fire and Disaster Management Agency |  | Fire Service Act | 
| 133 | Trimethyl phosphiteMethyl phosphite, P(OCH3)3, P(OMe)3, Trimethoxyfosfin, Trimethoxyphosphine, Trimethylfosfit, Trimethylphosphit , Trimethyphosphite, Phophorous acid, trimethyl ester, Trimethoxy phosphine, |  | Foreign Exchange and Foreign Trade Act | List control | Chemical Weapon | Permit required from Minister of Economy, Trade and Industry | Ministry of Economy, Trade and Industry |  | Appendix 1 (1-15) List Control |