生態影響に係る有害性情報


CAS登録番号 CAS RN ® ： 540-84-1
官報公示整理番号　METI No. ： 2-8
物質名 test material ： ２，２，４－トリメチルペンタン　／Pentane, 2,2,4-trimethyl-
水溶解度 water solubility ： 2.44mg/L (推計値 estimated)
LogKow ： 4.09 (推計値 estimated)
備考 remarks ：
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【注意事項】
* 生態影響に係る有害性情報更新日が2019年9月以前はRead-acrossデータに○を記載しておらず、被験物質が標記の物質ではない可能性がある。
**各情報源における信頼性評価スコアの定義は下記のとおりである。

OECD SIDS (HPVC) / EU Risk Assessment Report (EUリスク評価書） / ECHA Information on Registered Substances 1:信頼性あり 2:条件付きで信頼性あり 3:信頼性なし　4:情報が少なく評価不能
日本環境省　化学物質の環境リスク評価（生態リスク初期評価） A：試験は信頼できる　B：試験は条件付きで信頼できる　C：試験の信頼性は低い　D：信頼性の判定不可　E：信頼性は低くないと考えられるが、原著にあたって確認したものではない
USEPA Pesticide Ecotoxicity Database Core:信頼性あり　Supplemental:条件付きで信頼性あり　Invalid:信頼性なし
生物種 学名 影響内容 エンドポイント 暴露期間(値) 暴露期間(単位) 毒性値 毒性値(単位) 毒性値(単位)種別 試験中の
被験物質
濃度測定
あり：○
なし：×		 情報源 情報源による
信頼性評価**		 著者 タイトル 記載誌 発行年 情報更新日
subject type scientific name effect endpoint exposure
duration
value		 exposure
duration
unit		 toxicity value toxicity unit toxicity unit type Read-across* QSAR GLP measurement
of the test
material		 original work type original work
reliability rank		 author title referenced journal publication year Information
update date
甲殻類 Americamysis bahia mortality LL50 96 hours 2.4 mg/L nominal test mat. × ○ 12 ECHA Information on Registered Substances 2 study report 1986 2022/08/15
甲殻類 Americamysis bahia mortality LC50 96 hours 0.4 mg/L meas. (initial) test mat. × ○ 12 ECHA Information on Registered Substances 2 study report 1986 2022/08/15
甲殻類 Daphnia magna mobility EC50 48 hours 0.4 mg/L meas. (initial) test mat. × ○ 12 ECHA Information on Registered Substances 2 publication 1986 2022/08/15
甲殻類 Daphnia magna mobility EL50 48 hours ca.2.4 mg/L nominal test mat. × ○ 12 ECHA Information on Registered Substances 2 publication 1986 2022/08/15
甲殻類 Americamysis bahia LC50 96 hours 0.4 mg/L meas. initial ○ ○ 4 OECD SIDS (HPVC) 2 TNO, Division of Technology for Society, Netherlands Organization for Applied Scientific Research Aquatic Toxicity of Compounds that may be Carried by Ships (MARPOL 1973, Annex II), Doc. # R 86/326a. TNO, The Netherlands 2023/01/13
甲殻類 Daphnia magna mobility EC50 48 hours 0.2 mg/L meas. ○ ○ 4 OECD SIDS (HPVC) 2 TNO, Division of Technology for Society, Netherlands Organization for Applied Scientific Research Aquatic Toxicity of Compounds that may be Carried by Ships (MARPOL 1973, Annex II), Doc. # R 86/326a. TNO, The Netherlands 2023/01/13
甲殻類 Daphnia magna not specified EL50 21 days 1.6 mg/L nominal Water Accomodated Fraction (WAF) ○ ○ 12 ECHA Information on Registered Substances 1 IHSC, American Chemistry Council OECD SIDS - Category: C7-C9 Aliphatic hydrocarbon solvents SIDS Initial Assessment Report For SIAM 30 Paris, 20-23 April 2010, drafted by members of the IHSC and reviewed by the U.S. Environmental Protection Agency (EPA), October 28, 2009 2009 2022/08/15
甲殻類 Daphnia magna not specified NOELR 21 days 1 mg/L nominal Water Accomodated Fraction (WAF) ○ ○ 12 ECHA Information on Registered Substances 1 IHSC, American Chemistry Council OECD SIDS - Category: C7-C9 Aliphatic hydrocarbon solvents SIDS Initial Assessment Report For SIAM 30 Paris, 20-23 April 2010, drafted by members of the IHSC and reviewed by the U.S. Environmental Protection Agency (EPA), October 28, 2009 2009 2022/08/15
甲殻類 Daphnia magna not specified EL50 48 hours 3.2 mg/L nominal Water Accomodated Fraction (WAF) ○ ○ 12 ECHA Information on Registered Substances 1 IHSC, American Chemistry Council OECD SIDS - Category: C7-C9 Aliphatic hydrocarbon solvents SIDS Initial Assessment Report For SIAM 30 Paris, 20-23 April 2010, drafted by members of the IHSC and reviewed by the U.S. Environmental Protection Agency (EPA), October 28, 2009 2009 2022/08/15
甲殻類 Daphnia magna not specified LOEC 21 days 0.32 mg/L meas. (arithm. mean) Water Accomodated Fraction (WAF) ○ ○ 12 ECHA Information on Registered Substances 1 study report 2004 2022/08/15
甲殻類 Daphnia magna not specified LOELR 21 days 2 mg/L nominal Water Accomodated Fraction (WAF) ○ ○ 12 ECHA Information on Registered Substances 1 study report 2004 2022/08/15
甲殻類 Daphnia magna not specified NOEC 21 days 0.17 mg/L meas. (arithm. mean) Water Accomodated Fraction (WAF) ○ ○ 12 ECHA Information on Registered Substances 1 IHSC, American Chemistry Council OECD SIDS - Category: C7-C9 Aliphatic hydrocarbon solvents SIDS Initial Assessment Report For SIAM 30 Paris, 20-23 April 2010, drafted by members of the IHSC and reviewed by the U.S. Environmental Protection Agency (EPA), October 28, 2009 2009 2022/08/15
甲殻類 Daphnia magna not specified EC50 48 hours 0.64 mg/L meas. (arithm. mean) Water Accomodated Fraction (WAF) ○ ○ 12 ECHA Information on Registered Substances 1 IHSC, American Chemistry Council OECD SIDS - Category: C7-C9 Aliphatic hydrocarbon solvents SIDS Initial Assessment Report For SIAM 30 Paris, 20-23 April 2010, drafted by members of the IHSC and reviewed by the U.S. Environmental Protection Agency (EPA), October 28, 2009 2009 2022/08/15
甲殻類 Daphnia magna not specified EC50 21 days 0.23 mg/L meas. (arithm. mean) Water Accomodated Fraction (WAF) ○ ○ 12 ECHA Information on Registered Substances 1 study report 2004 2022/08/15
魚類 Oncorhynchus mykiss mortality LL50 96 hours 18.4 mg/L nominal Water Accomodated Fraction (WAF) ○ ○ 12 ECHA Information on Registered Substances 1 study report 1995 2022/08/15
魚類 Oncorhynchus mykiss mortality LC50 96 hours 0.11 mg/L meas. (not specified) Water Accomodated Fraction (WAF) ○ ○ 12 ECHA Information on Registered Substances 1 study report 1995 2022/08/15