• 原料直供
• 试剂商城
• 直接询价

分类

• A-AM, A-B, Puriss p.a., Amber Glass Bottles, Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Bioactive Small Molecules, Cell Biology, Puriss p.a., Solvent Bottles, Solvent Packaging Options, Solvents
• {SNA} A-AM,

产品应用

• An indicator for the complexometric titration of Fe(III)

相关文献及参考

• 3. H.F. Gilbert, M.H. O'Leary Biochim. Biophys. Acta 483 , 79, (1977) 摘要
• Merck: 14,81
• 4. H. Blakeotwell et al. Biochim. Biophys. Acta 568 , 297, (1979) 摘要
• A simple procedure for the synthesis of methyl ketones involves alkylation at the 3-position with an alkyl halide using K2CO3 in EtOH, with in situ acetyl cleavage: Org. Synth. Coll., 5, 767 (1973). Knoevenagel condensation with aldehydes in THF in the presence of K2CO3 also occurs with acetyl cleavage, providing a simple route to alkenyl ketones: Chem. Lett., 1325 (1978). With K2CO3 and TBAB, selective one-pot monoalkylation or dialkylation with different alkyl groups can be achieved: Synthesis, 688 (1989). 3-Arylation with aryl bromides takes place in the presence of Cu(I) or Cu(II) salts in DMF: Chem. Lett., 597 (1982); Org. Synth. Coll., 6, 36 (1988).
• Strong bases, e.g. NaNH2, form the dianion which reacts with electrophiles, e.g. alkyl halides, esters, acyl halides, Michael acceptors, etc., at the less-stabilized terminal carbon: J. Org. Chem., 26, 1716 (1961); Tetrahedron Lett., 357 (1970); J. Org. Chem., 39, 2289 (1974); Org. Synth. Coll., 5, 848 (1973). For arylation at the 1-position, see Diphenyl­iodonium chloride, A15149. For reviews of dimetallation, see: Org. React., 17, 155 (1969); Synthesis, 509 (1977).
• {uni
• Merck: 14,81 Beilstein:1,777
• Merck 14 ,81

安全信息

GHS Symbol

TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - guinea pig
DOSE/DURATION           : 20 mL/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NTIS** National Technical Information Service.  (Springfield, VA 22161)
   Formerly U.S. Clearinghouse for Scientific & Technical Information.
   Volume(issue)/page/year: OTS0533573

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Administration onto the skin
SPECIES OBSERVED        : Rodent - rabbit
DOSE/DURATION           : 810 uL/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   DCTODJ Drug and Chemical Toxicology.  (Marcel Dekker, 270 Madison Ave., New
   York, NY 10016) V.1-    1977/78-  Volume(issue)/page/year: 9,133,1986

TYPE OF TEST            : LD50 - Le

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 55 mg/kg
TOXIC EFFECTS :
   Behavioral - somnolence (general depressed activity)
   Behavioral - rigidity (including catalepsy)
REFERENCE :
   GISAAA Gigiena i Sanitariya.  For English translation, see HYSAAV.  (V/O
   Mezhdunarodnaya Kniga, 113095 Moscow, USSR)  V.1-    1936-
   Volume(issue)/page/year: 52(10),88,19

TYPE OF TEST            : LCLo - Lowest published lethal concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE/DURATION           : 1000 ppm/4H
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   JIHTAB Journal of Industrial Hygiene and Toxicology.  (Cambridge, MA)
   V.18-31, 1936-49.  For publisher information, see AEHLAU.
   Volume(issue)/page/year: 31,343,1949

TYPE OF TEST            : Dominant lethal test
ROUTE OF EXPOSURE       : Inhalation
TEST SYSTEM             : Rodent - rat
DOSE/DURATION           : 694 ppm/6h/5D
REFERENCE :
   TIHEEC Toxicology and Industrial Health.  (Princeton Scientific Pub. Co.,
   POB 2155, Princeton, NJ 08540)  V.1-    1985-  Volume(issue)/page/year:
   5,463,1989

TYPE OF TEST            : Mutation in mammalian somatic cells
TEST SYSTEM             : Rodent - hamster Ovary
DOSE/DURATION           : 80 mg/L
REFERENCE :
   EPASR* United States Environmental Protection Agency, Office of Pesticides
   and Toxic Substances. (U.S. Environmental Protection Agency, 401 M St., SW,
   Washington, DC 20460)  History unknown.  Volume(issue)/page/year:
   8EHQ-0386-0595

TYPE OF TEST            : TCLo - Lowest published toxic concentration
ROUTE OF EXPOSURE       : Inhalation
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 398 ppm/6H
SEX/DURATION            : female 6-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death,
   e.g., stunted fetus)
REFERENCE :
   TIHEEC Toxicology and Industrial Health.  (Princeton Scientific Pub. Co.,
   POB 2155, Princeton, NJ 08540)  V.1-    1985-  Volume(issue)/page/year:
   6,461,1990

其他信息

• 用途二:用作分析试剂及钨、钼中铝的萃取剂
• 有机合成中间体:乙酰丙酮是一种重要有机合成中间体，广泛用于制药、香料、农药等工业。 乙酰丙酮是制药工业的重要原料，如合成4，6-二甲基嘧啶衍生物等。还用作醋酸纤维素的溶剂，油漆和清漆等的干燥剂，也是重要的分析试剂。
• 下游产品:1,7-双(4-羟基-3-甲氧基苯基)庚烷-3,5-二酮 --> 2-羟基-4-甲氧甲基-6-甲基
• 方法一:其制备方法是由乙酸裂解生成的乙酰
• 有机合成中间体:乙酰丙酮是一种重要有机合成中间体，广泛用于制药、香料、农药等工业。 乙酰丙酮是制药工业的重要原料，如合成4，6-二甲基嘧啶衍生物等。还用作醋酸纤维素的溶剂，油漆和清漆等的干燥剂，也是重要的分析试剂。 由于烯醇式的存在，乙酰丙酮能与金属钴(Ⅱ)、钴(Ⅲ)、铍、铝、铬、铁(Ⅱ)、铜、镍、钯、锌、铟、锡、锆、镁、锰、钪和钍等多种金属离子生成螯合物，可用作燃料油的添加剂和润滑油的添加剂。 利用其与金属的螯合作用，可用作
• 用途一:用作制药的原料及有机中间体，也可作溶剂
• 方法二:可采用不同的工艺路线：丙酮与乙烯酮反应或乙酐与丙酮缩合或丙酮与乙酸乙酯缩合。丙酮与乙烯酮的反应的过程，实际上是以丙酮为原料，经乙烯酮、乙酸异丙烯酯，再经转化而得乙酰丙酮；工艺过程如下：将含有1/1000二硫化碳的丙酮气化后引入780-800℃的裂化炉，使之生成乙烯酮(或冰醋酸经气化磷酸三乙酯催化剂存在下，以氨为稳定剂，经700℃裂化炉裂解为乙烯酮)，乙烯酮用丙酮吸收，在硫酸或乙酰磺酰存在下，于61-71℃使之与乙酸反应生成乙酸异丙烯酯，经分馏提纯后，乙酸异丙稀酯纯度可达93-95%以上。再将乙酸异丙烯酯气化，引入预热至560-570℃转化炉，经分子重排生成乙酰丙酮，经冷凝，分馏提纯得成品。每吨产品消耗丙酮约2700kg。丙酮与乙酸乙酯缩合的过程是在金属钠存在下进行的。操作示例1在冷却的烧杯中加入120ml精制的乙酸乙酯和32ml氨气。在氨基钠加完后,在冰水中不停振摇24h后,在室温下放置过夜。次日加入100g冰，继而加入同量的冰水，取其水层，加入稀硫酸使呈酸性。在此溶液中加入饱和乙酸铜溶液(将40g粉末状乙酸铜加一定量的热水溶解而成),使乙酰丙酮形成铜盐析出。如反应液为碱性,可加入少量乙酸。过2-3h后，将青灰色乙酰丙酮抽滤，用水洗涤两次，直接移入分液漏斗中,加乙醚不断振摇,同时加入50ml4N硫酸使其分解。取乙醚溶液,再用乙醚萃取酸层中的乙酰丙酮,合并两次乙醚溶液，用
• 有愉快的气味。受光作用会变棕色成树脂状物。能与乙醇、苯、氯仿、乙醚、丙酮、冰乙酸混溶，1份约溶于8份水中。与许多金属生成能溶于有机溶剂和和有挥发性的盐。易燃。低毒，半数致死量(大鼠，经口)1000mg/kg。
• 急性毒性:口服- 大鼠 LD50: 55 毫克/ 公斤; 口服- 小鼠 LD50: 951 毫克/ 公斤
• 用途五:有机合成，色层分析用试剂，过渡金属螯合剂。比色法测定铁和氟，在二硫化碳存在时测定铊。
• 用途三:戊二酮又称乙酰丙酮，是杀菌剂甲基嘧菌胺、嘧菌胺和除草剂嘧磺隆的中间体。
• F:9-23
• Alfa Aesar:2,4-戊烷二酮,99% 2,4-Pentanedione, 99%(123-54-6)
• 下游产品:1,7-双(4-羟基-3-甲氧基苯基)庚烷-3,5-二酮 --> 2-羟基-4-甲氧甲基-6-甲基-5-硝基烟腈 --> 5-羟基-4-甲氧甲基-6-甲基-3-吡啶甲醇 --> 4,6-二甲基-2-羟基嘧啶盐酸盐 --> 2-(羧基甲基硫代)-4,6-二甲基嘧啶 一水合物 --> 水合茚三酮 --> 5-溴-2-氯-4,6-二甲基尼古丁腈 --> 17-乙炔基-17-羟基-18-甲基雌甾-5(10),9(11)-二烯-3-酮-3-乙二醇缩酮 --> 2-氨基-4,6-二甲基-3-吡啶甲酰胺 --> 1,4,6-三甲基-3-氨基吡唑并[3,4-B]吡啶 --> 4,6-二甲基
• 常规方法:用铁桶内衬塑料袋或塑料桶包装；每桶250kg。防火、防潮，贮存于危险品库内。按危险化学品规定贮运。
• 毒性分级:中毒
• {Chemica
• Ac