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HCID 14066作成日:2026年10月23日

5-ヒドロキシ-2-ペンタノン (モノマー, ダイマー混合物)

5-ヒドロキシ-2-ペンタノン (モノマー, ダイマー混合物) · 3-アセチル-1-プロパノル · 3-アセチル-1-プロパノ-ル · 5-ヒドロキシ-2-ペンタノン · 3-アセチル-1-プロパノール (モノマー, ダイマー混合物) · 3-アセトプロパノール · 5-ヒドロキシペンタン-2-オン · 3-アセチル-1-プロパノール

https://huagongshe.com/ja/chemical/14066

5-ヒドロキシ-2-ペンタノン (モノマー, ダイマー混合物) の分子構造式

識別子と物理属性

CAS No.1071-73-4
分子式C5H10O2
平均分子量102.13 g/mol
単同位体質量102.06807956 g/mol
SMILESCC(=O)CCCO
InChIKeyJSHPTIGHEWEXRW-UHFFFAOYSA-N
PubChem CID14066
ChEBICHEBI:195472
EC No.213-994-8
DTXSIDDTXSID30147917
現地名5-ヒドロキシ-2-ペンタノン (モノマー, ダイマー混合物)

化学・物理的性質

XLogP-0.4
極性表面積37.3
水素結合供与体数1
水素結合受容体数2
回転可能結合数3
重原子数7
形式電荷0
複雑度59
Physical DescriptionColorless liquid[Sigma-Aldrich MSDS]
Kovats Retention Index687
融点2.5°C (estimate)
沸点144-145 °C/100 mmHg (lit.)
密度1.007 g/mL at 25 °C (lit.)
屈折率n20/D 1.437(lit.)
引火点200 °F
貯蔵条件2-8°C
pKa(酸解離定数)14.89±0.10(Predicted)
外観・状態液体
色Colorless to Light yellow to Light orange
InChIInChI=1S/C5H10O2/c1-5(7)3-2-4-6/h6H,2-4H2,1H3
InChIKeyJSHPTIGHEWEXRW-UHFFFAOYSA-N
SMILESCC(=O)CCCO
LogP(分配係数)-0.570 (est)
CAS データベース1071-73-4(CAS DataBase Reference)
NISTの化学物質情報2-Pentanone, 5-hydroxy-(1071-73-4)

化学的特性

clear colorless liquid

安全性と法規制

GHS 分類This chemical does not meet GHS hazard criteria for 97.3% (72 of 74) of all reports.Not ClassifiedReported as not meeting GHS hazard criteria by 72 of 74 companies (only 2.7% companies provided GHS information). For more detailed information, please visit ECHA C&L website.Aggregated GHS information provided per 74 reports by companies from 2 notifications to the ECHA C&L Inventory.Reported as not meeting GHS hazard criteria per 72 of 74 reports by companies.There is 1 notification provided by 2 of 74 reports by companies with hazard statement code(s).Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
有害性の概要Causes diffuse hepatitis and somnolence in oral lethal-dose studies of miceCauses abnormal liver function tests, changes in recordings from peripheral motor nerve, weight loss, degenerative changes to brain, and optic nerve neuropathy in repeated-dose inhalation studies of rats[RTECS] May cause irritation[Sigma-Aldrich MSDS] See Diacetone alcohol.
Hazard Classes and CategoriesNot Classified
有害作用Neurotoxin - Acute solvent syndromeOccupational hepatotoxin - Secondary hepatotoxins: the potential for toxic effect in the occupational setting is based on cases of poisoning by human ingestion or animal experimentation.
Toxicity DataLC (rat) > 2,000 mg/m3/4hr
水環境危害等級(WGK)2
RTECS 番号UA4600000
毒性LD50 orl-rat: 6400 mg/k TNICS* 13,118,73
税関コード29144000
危険文句(R)36/37/38
消防法危-4-3-III
危険表示Xi
安全措置(S)37/39-26
貯蔵分類10 - Combustible liquids