Recently, the Ministry of Health, Labour and Welfare of Japan has released an update notice that includes five substances to the list of newly announced chemical substances prior to March 31, 2011, with the number of substance groups remaining unchanged (7,413).
The information on the newly added substances is as follows:
| Registration No. | CAS RN | MITI No. | Chemical Substances Name |
| 1031 | 56641-05-5 | 3-3684 | alpha-acryloyl-omega-phenoxypoly(oxyethylene) |
| 1328 | 71878-19-8 | 7-2170 | Poly({6-[(2,4,4-trimethylpentan-2-yl)amino]-1,3,5-triazine-2,4-diyl}[(2,2,6,6-tetramethyl-4-piperidyl)imino]hexane-1,6-diyl[(2,2,6,6-tetramethyl-4-piperidyl)imino]) |
| 1434 | 68937-96-2 | 2-3329 | Polysulfides, di-tert-Bu |
| 4518 | 129757-67-1 | 5-6582 | Reaction product of bis(2,2,6,6-tetramethyl-4-piperidyl) decanedioate, 2-hydroperoxy-2-methylpropane and octane |
| 5230 | 88917-22-0 | 2-3928 | Methyl-2-[2-methoxy(methyl)ethoxy]ethyl acetate |
