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Japan Updates List of Priority Assessment Chemical Substances

Recently, the competent authorities for enforcement of Japan’s Chemical Substances Control Law (CSCL) announced the new designations and cancellations of Priority Assessment Chemical Substances (PACS).

  • New designations in accordance with Article 2(5) of CSCL:

SN in PACS List

MITI No.

Japanese Name

English Name

191

1-124

ホスゲン

Phosgene; or carbonyl chloride

192

1-158

シアン化ナトリウム

Sodium cyanide

193

2-184, 9-1971

トリメチル(オクタデシル)アンモニウムの塩

Salt of didecyl(dimethyl)ammonium

194

2-2956

1,1,1,3,3,3-ヘキサメチルジシロキサン

Disiloxane, 1,1,1,3,3,3-hexamethyl-

195

2-635

[2-(ドデカノイルオキシ)エチル](エチル)(ジメチル)アンモニウムの塩

N-Alkyloyloxy or alkenoyloxyalkyl(C=7-23)-N,N,N-trialkyl(C=1-5 orhydroxymethyl) ammonium

196

2-759

アリル=ヘキサノアート

 

197

2-93

クロロジフルオロメタン

Chloro(difluoro)methane

198

3-194

m-クロロアニリン

m-Chloroaniline

199

3-2657

2-ベンジリデンオクタナール

2-Benzylideneoctanal

200

3-2694

ベンジル(ジメチル)(オクチル)アンモニウムの塩

Benzyl trimethylammonium chloride

201

3-7, 3-3427

1,3,5-トリメチルベンゼン

1,3,5-Trimethylbenzene

202

3-503

2-tert-ブチルフェノール

2-tert-Butylphenol

203

3-543

ヒドロキノン

Hydroquinone

204

4-1911

1-(2,3,8,8-テトラメ チル-1,2,3,4,5,6,7,8-オクタヒドロ-2-ナフ チル )エタノン、

1-(2,3,8,8-テトラメチル-1,2,3,4,6,7,8,8a-オクタヒドロ-2-ナフチル)エタノン及び1-(2,3,8,8-テ

 

トラメチル-1,2,3,5,6,7,8,8a-オクタヒドロ-2-ナフチル)エタノンの混合物を主成分(80%以上)とする、3

-メチルペンタ-3-エン-2-オンと3-メチリデン-7-メチルオクタ-1,6-ジエンの反応生成物

Reaction products of 3-methylpent-3-en-2-one and 3-methylidene-7-methylocta-1,6-diene consisting dominantly of [mixture of 1-(2,3,8,8-tetramethyl-1,2,3,4,5,6,7,8-octahydro-2-naphthyl)ethanone, 1-(2,3,8,8-tetramethyl-1,2,3,4,6,7,8,8a-octahydro-2-naphthyl)ethanone and 1-(2,3,8,8-tetramethyl-1,2,3,5,6,7,8,8a-octahydro-2-naphthyl)ethanone](more than 80%)

205

5-1089

オキサシクロヘキサデカン-2-オン

Oxacyclopentadecan-2-one

206

5-1104, 5-3880

1,4-ジオキサシクロヘプタデカン-5,17-ジオン

1,4-Dioxa-5,17-dioxoheptadecane

207

5-3560

3-(1,3-ベンゾジオキソール-5-イル)-2-メチルプロパナール

3- (1,3-benzodioxol-5-yl)-2-methyl-propanal

208

5-67

9-137

5-ヘプチルオキソラン-2-オン

5-Heptyl-tetrahydro-2-furanone

209

9-1735

クレオソート油

Creosote oil

210

9-1958

ナトリウム=(アルキル(C=12、分枝型)フェノキシ)ベンゼスルホナート(又はナトリウム=(アルキル(C=12、分枝型))(フェノキシ)ベンゼンスルホナート)

Sodium (alkyl(C=12, branched)phenoxy)- benzenesulphonate

211

9-381, 9-922

5-クロロ-2-(2,4-ジクロロフェノキシ)フェノール(別名トリクロサン)

5-Chloro-2-(2,4-dichlorophenoxy)phenol; or triclosan

Manufacturers and importers should notify METI of the total quantity of any PACS (≥1 ton/year) in the preceding fiscal year, as well as other information required by METI’s ordinance. They should also carry out study on the hazardous properties of the chemical in question when requested by the competent authorities. When PACs are transferred between different business entities, the supplier is obliged to make the utmost efforts to inform the recipient that the concerned substances are PACs, etc.

  • Cancellation of previous designations in accordance with Article 11 of CSCL:

SN in PACS List

MITI No.

Japanese Name

English Name

20

2-219

1 ,2-エポキシプロパン(別名酸化プロピレン)

1,2-Epoxypropane; Propylene oxide

33

2-989

アクリル酸n-ブチル

n-Butyl acrylate


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