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アセチルアセトン 化学構造式
アセチルアセトン;2,4-ペンタジオン;ペンタン-2,4-ジオン;2,4-ペンタンジオン;メチル(2-オキソプロピル)ケトン;ジアセトン;2,4-ジオキソペンタン;ジアセチルメタン;2,4ペンタンジオン;2,4-ペンタンジオン(アセチルアセトン);アセチルアセトン (別名: 2,4-ペンタンジオン);アセチルアセトン 2,4-ペンタンジオン;アセチルアセトン PURISS. P.A.,≥99.5% (GC);アセチルアセトン REAGENTPLUS,≥99%;アセチルアセトン2,4-ペンタンジオン;アセチルアセトン(AA);2 , 4 - ペンタンジオン(アセチルアセトン)
ACAC;acetyl;FEMA 2841;Axetacetone;Acetoacetone;Pentanedione;ACETYLACETONE;Acetylaeetone;acetyl-aceton;CH3COCH2COCH3
MOL File:

アセチルアセトン 物理性質

融点 :
-23 °C
沸点 :
140.4 °C(lit.)
比重(密度) :
0.975 g/mL at 25 °C(lit.)
3.5 (vs air)
6 mm Hg ( 20 °C)
屈折率 :
n20/D 1.452(lit.)
闪点 :
66 °F
貯蔵温度 :
H2O: soluble1 in 8 parts
8.9(at 25℃)
外見 :
very deep green-yellow
Relative polarity:
6 (200g/l, H2O, 20℃)
爆発限界(explosive limit):
水溶解度 :
16 g/100 mL (20 ºC)
Merck :
No exposure limit has been set.
CAS データベース:
123-54-6(CAS DataBase Reference)
  • リスクと安全性に関する声明
  • 危険有害性情報のコード(GHS)
主な危険性  Xn,Xi
Rフレーズ  11-36/37/38-22-10-R22-R10-20/21/22-2017/10/22
Sフレーズ  21-23-24/25-36-26-S24/25-S23-S21
RIDADR  UN 2310 3/PG 3
WGK Germany  1
RTECS 番号 SA1925000
自然発火温度 662 °F
HSコード  2914 19 90
国連危険物分類  3
容器等級  III
有毒物質データの 123-54-6(Hazardous Substances Data)
毒性 LC50 (4 hrs) in rats: 1000 ppm (Carpenter)
消防法 危険物第4類第二石油類(非水溶性)
化審法 (2)-562
安衛法 57,57-2
注意喚起語 Danger
コード 危険有害性情報 危険有害性クラス 区分 注意喚起語 シンボル P コード
H226 引火性の液体および蒸気 引火性液体 3 警告
H302 飲み込むと有害 急性毒性、経口 4 警告 P264, P270, P301+P312, P330, P501
H311 皮膚に接触すると有毒 急性毒性、経皮 3 危険 P280, P302+P352, P312, P322, P361,P363, P405, P501
H331 吸入すると有毒 急性毒性、吸入 3 危険 P261, P271, P304+P340, P311, P321,P403+P233, P405, P501
H335 呼吸器への刺激のおそれ 特定標的臓器毒性、単回暴露; 気道刺激性 3 警告
H336 眠気やめまいのおそれ 特定標的臓器毒性、単回暴露; 麻酔作用 3 警告 P261, P271, P304+P340, P312,P403+P233, P405, P501
H370 臓器の障害 特定標的臓器有害性、単回暴露 1 危険 P260, P264, P270, P307+P311, P321,P405, P501
H373 長期にわたる、または反復暴露により臓器の障 害のおそれ 特定標的臓器有害性、単回暴露 2 警告 P260, P314, P501
H402 水生生物に有害 水生環境有害性、急性毒性 3
P233 容器を密閉しておくこと。
P240 容器を接地すること/アースをとること。
P260 粉じん/煙/ガス/ミスト/蒸気/スプレーを吸入しないこ と。
P264 取扱い後は皮膚をよく洗うこと。
P264 取扱い後は手や顔をよく洗うこと。
P270 この製品を使用する時に、飲食または喫煙をしないこ と。
P271 屋外または換気の良い場所でのみ使用すること。
P273 環境への放出を避けること。

アセチルアセトン 価格 もっと(35)

メーカー 製品番号 製品説明 CAS番号 包装 価格 更新時間 購入
富士フイルム和光純薬株式会社(wako) W01APOOR16430 ペンタン-2,4-ジオン
123-54-6 500mL ¥38500 2018-12-26 購入
富士フイルム和光純薬株式会社(wako) W01APOOR16430 ペンタン-2,4-ジオン
123-54-6 2.5L ¥68800 2018-12-26 購入
東京化成工業 P0052 アセチルアセトン >99.0%(GC)
Acetylacetone >99.0%(GC)
123-54-6 25mL ¥1700 2018-12-04 購入
東京化成工業 P0052 アセチルアセトン >99.0%(GC)
Acetylacetone >99.0%(GC)
123-54-6 500mL ¥4700 2018-12-04 購入
関東化学株式会社(KANTO) 01040-01 アセチルアセトン >99.0%(GC)
Acetylacetone >99.0%(GC)
123-54-6 500mL ¥4100 2018-12-13 購入

アセチルアセトン MSDS


アセチルアセトン 化学特性,用途語,生産方法


無色~わずかにうすい黄色, 澄明の液体


水に可溶 (1 : 8水に可溶), エタノール, 他各種溶剤に易溶。エタノール、エーテルと自由に混和する。水に可溶。エタノール及びジエチルエーテルに極めて溶けやすく、水に溶けやすい。


触媒 (金属キレート) 原料、接着剤原料、溶剤、有機合成中間体 (化学工業日報社)


Acetylacetone (2,4-pentanedione) is a clear or slightly yellowish liquid with a putrid odour. It is readily soluble in water and in organic solvents and incompatible with light, ignition sources, excess heat, oxidising agents, strong reducing agents, and strong bases. On decomposition, acetylacetone releases hazardous products such as carbon monoxide, irritating and toxic fumes and gases, and carbon dioxide. Acetylacetone is used in the production of anti-corrosion agents and its peroxide compounds for the radical initiator application for polymerisation. It is used as a chemical intermediate for drugs (such as sulphamethazine, nicarbazine, vitamin B6, and vitamin K) and pesticides sulfonylurea herbicides and pesticides. It is used as an indicator for the complexometric titration of Fe (III), for the modification of guanidino groups and amino groups in proteins, and for the preparation of metal acetylacetonates for catalyst application.


2,4-Pentanedione is a colorless to yellowish liquid with a sour, rancid odor. The Odor Threshold is 0.01 ppm.


clear liquid


Acetylacetone (2,4-pentanedione) is a clear or slightly yellowish liquid with a putrid odor. It is readily soluble in water. It is with other incompatible materials, light, ignition sources, excess heat, oxidizing agents, strong reducing agents, and strong bases. On decomposition, acetylacetone releases hazardous products, such as carbon monoxide, irritating and toxic fumes and gases, and carbon dioxide. Acetylacetone is used in the production of anticorrosion agents and its peroxide compounds for the radical initiator application for polymerization. It is used as a chemical intermediate for drugs (such as sulfamethazine, nicarbazine, vitamin B6, and vitamin K), sulfonylurea herbicides, and pesticides. It is used as a solvent for cellulose acetate, as an additive in gasoline and lubricant, as a dryer of paint and varnish. It is used as an indicator for the complexometric titration of Fe(III), for the modifi cation of guanidino groups and amino groups in proteins, and in the preparation of metal acetylacetonates for catalyst application.


Forms organometallic complexes which are used as gasoline additives, lubricant additives, driers for varnishes and printer's inks, fungicides, insecticides, colors.


Acetyl acetone is used as a reagent fororganic synthesis and as a transition metalchelating agent. Its organometallic complexes are used as additives for gasoline andlubricants, and in varnishes, color, ink, andfungicides.


ChEBI: A beta-diketone that is pentane in which the hydrogens at positions 2 and 4 are replaced by oxo groups.


A colorless or yellow colored liquid. Less dense than water. Flash point 105°F. Vapors are heavier than air. Used as a solvent in paints and varnishes.


Flammable. Soluble in water.


Ketones, such as 2,4-Pentanedione, are reactive with many acids and bases liberating heat and flammable gases (e.g., H2). The amount of heat may be sufficient to start a fire in the unreacted portion of the ketone. Ketones react with reducing agents such as hydrides, alkali metals, and nitrides to produce flammable gas (H2) and heat. Ketones are incompatible with isocyanates, aldehydes, cyanides, peroxides, and anhydrides. They react violently with aldehydes, HNO3, HNO3 + H2O2, and HClO4. May dissolve plastics [USCG, 1999].


Inhalation causes dizziness, headache, nausea, vomiting and loss of consciousness. Contact with liquid irritates eyes.


Exposures to acetyl acetone cause eye irritation, chemical conjunctivitis, corneal damage, and skin irritation (harmful if absorbed through the skin). At low concentrations for long periods, inhalation/dermal absorption of acetyl acetone causes irritation and dermatitis, cyanosis of the extremities, pulmonary edema, and a burning sensation in the chest. Ingestion/accidental ingestion in the workplace can result in gastrointestinal irritation, nausea, vomiting, diarrhea, and CNS depression. Inhalation of high concentrations may cause CNS effects characterized by nausea, headache, dizziness or suffocation, unconsciousness, and coma. The target organ of acetyl acetone poisoning has been identifi ed as the CNS.


Exposure to the vapors of acetyl acetone cancause irritation of the eyes, mucous membrane, and skin. In rabbits 4.76 mg producedsevere eye irritation; the effect on skin wasmild. Other than these, the health hazardsfrom this compound have not been reported.However, based on its structure and the factthat it has two reactive carbonyl groups inthe molecule, this compound should exhibitlow to moderate toxicity at high concentrations, which should be greater than that ofthe C5-monoketones.
LD50 value, intraperitoneal (mice): 750mg/kg
LD50 value, oral (rats): 1000 mg/kg
There is no report on its carcinogenicity inanimals or humans.


Behavior in Fire: Vapor is heavier than air and may travel to a source of ignition and flash back.


Poison by ingestion and intraperitoneal routes. Moderately toxic by inhalation. A skin and severe eye irritant. Experimental reproductive effects. Mutation data reported. Flammable liquid when exposed to heat or flame. Incompatible with oxidning materials. To fight fire, use alcohol foam, CO2, dry chemical.


Acetoacetic acid derivative. 2,4-Pentanedione is used in gasoline and lubricant additives, fungicides, insecticides, and colors manufacture; as a chemical intermediate and in the manufacture of metal chelates


This b-diketone (FW = 100.12 g/mol; flammable liquid; M.P. = –23°C; B.P. = 140.5°C; moderately soluble in water, 0.1 g/mL), also known as 2,4- pentanedione and acetoacetone, reacts with amino groups and also chelates metal ions. Target (s) : acetoacetate decarboxylase, slow-binding inhibition ; NAD+ glycohydrolase, or NADase; aspartate aminotransferase; peroxidase; lipase, or triacylglycerol lipase ; actin interaction with tropomyosin; malic enzyme, or malate dehydrogenase; pyridoxamine-5’-phosphate oxidase; estradiol 17b-dehydrogenase; acid phosphatase; aminolevulinate aminotransferase; tryptophan dimethylallyltransferase; and tyrosinase, or monophenol monooxygenase.


If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Give large quantities of water and induce vomiting. Do not make an unconscious person vomit.


Acetylacetone should be stored away from heat, sparks, flame, and from sources of ignition. It should be stored in a tightly sealed container, in a cool, dry, well-ventilated area, away from incompatible substances.


UN2310 Pentane-2,4-dione, Hazard Class: 3; Labels: 3-Flammable liquid


Small amounts of acetic acid are removed by shaking with small portions of 2M NaOH until the aqueous phase remains faintly alkaline. The sample, after washing with water, is dried with anhydrous Na2SO4, and distilled through a modified Vigreux column (p 11) Cartledge J Am Chem Soc 73 4416 1951]. An additional purification step is fractional crystallisation from the liquid. Alternatively, there is less loss of acetylacetone if it is dissolved in four volumes of *benzene and the solution is shaken three times with an equal volume of distilled water (to extract acetic acid): the *benzene is then removed by distillation at 43-53o and 20-30mm through a helices-packed column. It is then refluxed over P2O5 (10g/L) and fractionally distilled under reduced pressure. The distillate (sp conductivity 4 x 10-8 ohm-1cm-1) is suitable for polarography [Fujinaga & Lee Talanta 24 395 1977]. To recover used acetylacetone, metal ions are stripped from the solution at pH 1 (using 100mL 0.1M H2SO4/L of acetylacetone). The acetylacetone is then washed with (1:10) ammonia solution (100mL/L) and with distilled water (100mL/L, twice), then treated as above. It complexes with Al, Be, Ca, Cd, Ce , Cu, Fe2+, Fe3+ , Mn, Mg, Ni, Pb and Zn. [Beilstein 1 H 777, 1 I 401, 1 II 831, 1 III 3113, 1 IV 3662.]


Vapors may form explosive mixture with air. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. reducing agents; halogens, aliphatic amines; alkanolamines, organic acids; isocyanates. Strong light may cause polymerization.


Dissolve or mix the material with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber. All federal, state, and local environmental regulations must be observed.


Occupational workers should only use/handle acetyl acetone in a well-ventilated area, with spark-proof tools and explosion-proof equipment. Workers should not cut, weld, braze, solder, drill, grind, pressurize, or expose empty containers to heat, sparks, or flames.

アセチルアセトン 上流と下流の製品情報



アセチルアセトン 生産企業

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  • 123-54-6
  • Acetylaeetone
  • ACAC
  • AKOS BBS-00004242
  • TIMTEC-BB SBB009914
  • 2,4-Diketopentane
  • 2,4-Dioxopentane
  • 2,4-Pentandione
  • 2-Propanone, acetyl-
  • Acetoacetone
  • Acetone, acetyl-
  • FEMA 2841
  • Acetylacetone 99+ % (GLC) for analysis
  • Acetylacetone, synthesis grade
  • Acetylacetone,2,4-Pentanedione, AcAc
  • Acetylacetone ,99.55%
  • 2,4-Pentanedione, 99+% 1KG
  • 2,4-Pentanedione, 99+% 250GR
  • 2,4-Pentanedione, 99+% 5GR
  • Diacetylmethane 2,4-Pentanedione
  • Acetylacetone, 2,4-Dioxopentane
  • 2,4-Pentanedione, Reagent
  • Acetylacetone produced by Wacker CheMie AG, Burghausen, GerMany, >=99.5% (GC)
  • Acetylacetone, CP,98%
  • アセチルアセトン
  • 2,4-ペンタジオン
  • ペンタン-2,4-ジオン
  • 2,4-ペンタンジオン
  • メチル(2-オキソプロピル)ケトン
  • ジアセトン
  • 2,4-ジオキソペンタン
  • ジアセチルメタン
  • 2,4ペンタンジオン
  • 2,4-ペンタンジオン(アセチルアセトン)
  • アセチルアセトン (別名: 2,4-ペンタンジオン)
  • アセチルアセトン 2,4-ペンタンジオン
  • アセチルアセトン PURISS. P.A.,≥99.5% (GC)
  • アセチルアセトン REAGENTPLUS,≥99%
  • アセチルアセトン2,4-ペンタンジオン
  • アセチルアセトン(AA)
  • 2 , 4 - ペンタンジオン(アセチルアセトン)
  • 配位子 (分子状酸素による酸化)
  • 酸化反応 (分子状酸素による酸化)
  • 有機合成化学
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