Trichloroacetic Acid 三氯乙酸

CAS 76-03-9 MFCD00004177

化学结构图

76-03-9
SMILES: O=C(O)C(Cl)(Cl)Cl

化学属性

Mol. FormulaCl3CCOOH
Mol. Weight163
Refractive indexn20/D 1.62(lit.)
Boiling Point196
Density1.62
Melting Point52-58
TSCAYes
Vapor Density<;1 (vs air)
Vapor Pressure1 mmHg ( 51 °C)
Solubility120 G/100 ML (20 ºC)
Stability易吸潮
Flash Point196°C

别名和识别编码

Chemical NameTrichloroacetic Acid
Synonym Acido tricloroacetico {uni_hamburg} 三氯醋酸 Trichloracetic acid {Chemical 三氯乙酸, ACS NA TA ethanoic acid, trichloro- Trichlor Amchem grass killer trichloroacetic acid { TCA (acid) kyselinatrichloroctova acetic acid, trichloro- TKhU Aceto-Caustin acidotricloroacetico 三氯乙酸(TCA) Sodium TCA solution Aceticacid,trichloro- Farmon TCA Trichloromethanecarboxylic acid Acide trichloracetique Varitox Aceto-caustin acidetrichloracetique(solide) Trichloressigsäure RARECHEM AL BO 0072 TCA 三氯乙酸 溶液 三氯乙酸 acidetrichloracetique(solutions) {Chem
CAS Number76-03-9
PubChem Substance ID87576335
Beilstein Registry Number970119
MDL NumberMFCD00004177
EC Number200-927-2
Reaxys-RN970119
Merck Number9627
Chemical Name Translation三氯乙酸
Wiswesser Line NotationQVXGGG
LabNetwork Molecule IDLN00223783
InChIInChI=1S/C2HCl3O2/c3-2(4,5)1(6)7/h(H,6,7)
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分类

  • {SNA} Acids & Bases, Acids and Bases, Biochemicals and Reagents, Buffers,
  • {SNA} Aci
  • {SNA} Acids, Acids & Bases, Chemical Synthesis, Organic Acids, Synthetic Reagents
  • {SNA} Acids, Acids & Bases, Acids and Bases, Chemical Synthesis, Organic Acids, S

产品应用

  • 测定氟化物,蛋白质沉淀剂,与三氯化铁共用作胆色素的试剂、显微分析用固定剂。
  • 该品是医药上的除疣剂和收敛剂,三氯乙酸钠是选择性除草剂,主要用作生物化学药品提取剂,如三磷酸腺苷、细胞色素丙和胎盘酯多糖等高效药品的提取,还用作农药的原料。
  • 三氯乙酸与碱溶液共热即分解成氯仿及碳酸碱。

相关文献及参考

  • Short: II/27B
  • Merck: 14,9627 Beilstein:2(1)92
  • Trihaloacetic acids react with aldehydes in DMSO at room temperature to give trihalomethyl carbinols: J. Chem. Soc., Perkin 2, 1247 (1984):
  • The acid and its Na salt (1:1) in DMF are also effective: Tetrahedron Lett., 33, 3435 (1992). Use of HMPA or DMI extends the scope to less reactive aldehydes: Synthesis, 327 (1990).
  • Merck: 14,9627

安全信息

GHS Symbol
WGK Germany2
Hazard statements
  • H290 May be corrosive to metals 可能腐蚀金属。
  • H314 Causes severe skin burns and eye damage 导致严重的皮肤灼伤和眼睛损伤
  • H410 Verytoxictoaquaticlifewithlonglastingeffects 对水生生物毒性非常大并具有长期影响。
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
Personal Protective Equipment Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
Hazard Codes Xn,N,C,F C,N
Precautionary statements
  • P273 Avoid release to the environment. 避免释放到环境中。
  • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P501 Dispose of contents/container to..… 处理内容物/容器.....
  • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
  • P305+P351+P338
  • P310 Immediately call a POISON CENTER or doctor/physician. 立即呼救解毒中心或医生/医师。
  • P271 Use only outdoors or in a well-ventilated area.? 只能在室外或通风良好的地方使用。
  • P301+P330+P331
  • P260 Do not breathe dust/fume/gas/mist/vapours/spray. 不要吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
  • P304+P340+P310
  • P303+P361+P353
  • P308+P313
  • P403+P233
  • P305+P351+P338+P310
  • P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
  • P301+P330+P331+P310
  • P304+P340
  • P270 Do not eat, drink or smoke when using this product. 使用本产品时不要吃东西,喝水或吸烟。
  • P202 Do not handle until all safety precautions have been read and understood. 已阅读并理解所有的安全预防措施之前,切勿操作。
  • P390 Absorb spillage to prevent material damage. 吸收溢出物,防止重大损害。
Signal word
RTECSAJ7875000
Safety Statements
  • S45 In case of accident or if you feel unwell seek medical advice immediately (show the label where possible) 发生事故时或感觉不适时,立即求医(可能时出示标签);
  • S36/37 Wear suitable protective clothing and gloves 穿戴适当的防护服和手套;
  • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后,立即用大量水冲洗并征求医生意见;
  • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护;
  • S60 This material and its container must be disposed of as hazardous waste 该物质及其容器必须作为危险废物处置;
  • S61 Avoid release to the environment. Refer to special instructions/safety data sheet 避免释放到环境中,参考特别指示/安全收据说明书;
Risk Statements
  • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
  • R35 Causes severe burns 会导致严重灼伤
  • R50/53
  • R11 Highly flammable 非常易燃
  • R38 Irritating to skin 刺激皮肤
  • R40 Limited evidence of a carcinogenic effect 有限证据表明其致癌作用
  • R34 Causes burns 会导致灼伤
  • R51/53
UN Number UN1839
Storage condition 极易吸潮,密封保存;储存温度2-8°C;充氩保存 极易吸潮,密封保存 0-10°C Hygroscopic 极易吸潮,密封保存;储存温度2-8°C 2-8°C
Packing GroupII
Hazard Class8
TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 427 gm/kg/61W-C
TOXIC EFFECTS :
   Tumorigenic - Carcinogenic by RTECS criteria
   Liver - tumors
REFERENCE :
   TXAPA9 Toxicology and Applied Pharmacology.  (Academic Press, Inc., 1 E.
   First St., Duluth, MN 55802) V.1-    1959-  Volume(issue)/page/year:
   90,183,1987

TYPE OF TEST            : LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 500 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   CBCCT* "Summary Tables of Biological Tests," National Research Council
   Chemical-Biological Coordination Center.  (National Academy of Science
   Library, 2101 Constitution Ave., NW, Washington, DC 20418)
   Volume(issue)/page/year: 6,214,1954

TYPE OF TEST            : LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE       : Subcutaneous
SPECIES OBSERVED        : Rodent - mouse
DOSE/DURATION           : 270 mg/kg
TOXIC EFFECTS :
   Details of toxic effects not reported other than lethal dose value
REFERENCE :
   NIIRDN Drugs in Japan (Ethical Drugs).  (Yakugyo Jiho Co., Ltd., Tokyo,
   Japan)  Volume(issue)/page/year: 6,879,1982

TYPE OF TEST            : Mutation in microorganisms
TEST SYSTEM             : Bacteria - Salmonella typhimurium
DOSE/DURATION           : 250 ug/plate
REFERENCE :
   CNJGA8 Canadian Journal of Genetics and Cytology.  (National Research
   Council of Canada, Publication Sales and Distribution, Ottawa ON K1A OR6,
   Canada)  V.1-    1959-  Volume(issue)/page/year: 22,35,1980

TYPE OF TEST            : Cytogenetic analysis
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - mouse
DOSE/DURATION           : 125 mg/kg
REFE

TYPE OF TEST            : Cytogenetic analysis
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Rodent - mouse
DOSE/DURATION           : 500 mg/kg
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 188,215,1987

TYPE OF TEST            : Sperm Morphology
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Rodent - mouse
DOSE/DURATION           : 125 mg/kg/5D
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 188,215,1987

TYPE OF TEST            : Mutation test systems - not otherwise specified
ROUTE OF EXPOSURE       : Oral
TEST SYSTEM             : Rodent - mouse
DOSE/DURATION           : 250 mg/kg
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 343,157,1995

TYPE OF TEST            : Cytogenetic analysis
ROUTE OF EXPOSURE       : Intraperitoneal
TEST SYSTEM             : Bird - chicken
DOSE/DURATION           : 200 mg/kg
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 367,253,

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 8 gm/kg
SEX/DURATION            : female 6-15 day(s) after conception
TOXIC EFFECTS :
   Reproductive - Fertility - pre-implantation mortality (e.g. reduction in
   number of implants per female; total number of implants per corpora lutea)
   Reproductive - Fertility - post-implantation mortality (e.g. dead and/or
   resorbed implants per total number of implants)
REFERENCE :
   TJADAB Teratology, The International Journal of Abnormal Development. (Alan
   R. Liss, Inc., 41 E. 11th St., New York, NY 10003)  V.1-    1968-
   Volume(issue)/page/year: 40,445,1989

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Oral
SPECIES OBSERVED        : Rodent - rat
DOSE                    : 3300 mg/kg
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 :
   TJADAB Teratology, The International Journal of Abnormal Development. (Alan
   R. Liss, Inc., 41 E. 11th St., New York, NY 10003)  V.1-    1968-
   Volume(issue)/page/year: 40,445,1989

TYPE OF TEST            : TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE       : Intraperitoneal
SPECIES OBSERVED        : Rodent - mouse
DOSE                    : 125 mg/kg
SEX/DURATION            : male 5 day(s) pre-mating
TOXIC EFFECTS :
   Reproductive - Paternal Effects - spermatogenesis (incl. genetic material,
   sperm morphology, motility, and count)
REFERENCE :
   MUREAV Mutation Research.  (Elsevier Science Pub. B.V., POB 211, 1000 AE
   Amsterdam, Netherlands) V.1-    1964-  Volume(issue)/page/year: 188,215,1987

Warnings 危险化学品

其他信息

  • 方法一:其制备方法主要有以下几种。 (1)用三氯乙醛以稀硝酸氧化,反应温度80~100℃。CCl 3 CHO+2HNO 3 →Cl 3 CCOOH+NO 2 ↑+H 2 O (2)以一氯乙酸母液用硫粉为催化剂进一步深度氯化,经结晶而得。ClCH 2 COOH+Cl 2 [S]→Cl 3 CCOOH+2HCl (3)以四氯乙烯为原料,于120℃在紫外线照射下通氧氧化或以四氯乙烯为原料,钛为催化剂,在40~120℃进行水解,均可得到三氯乙酸。Cl 2 CH=CHCl 2 +O 2 →Cl 3 CCOOH+HCl Cl 2 CH=CHCl 2 +2H 2 O→Cl 3 CCOOH+HCl↑+2H 2 ↑
  • 用途一:用作三磷酸腺苷、细胞色素丙和胎盘脂多糖提取剂及蛋白质沉淀剂,也用作农药除草剂和有机合成原料
  • TCI Shanghai:三氯乙酸 Trichloroacetic Acid,>;99.0%(T)(76-03-9)
  • 用途三:三氯乙酸是杀虫剂毒死蜱的中间体,也是医药中间体。
  • 蒸气压:1 mm Hg ( 51 °C)
  • 有特殊气味,易潮解,不易燃。溶于乙醇、乙醚、丙酮、苯、四氯化碳、己烷、邻二甲苯和水(水中溶解度10g/100ml)。其水溶液呈强酸性,酸性比乙酸强得多,0.2M溶液pH为1.2。与苛性碱溶液共热即分解。燃
  • 用途五:测定氟化物,蛋白质沉淀剂,与三氯化铁共用作胆色素的试剂、显微分析用固定剂。 该品是医药上的除疣剂和收敛剂,三氯乙酸钠是选择性除草剂,主要用作生物化学药品提取剂,如三磷酸腺苷、细胞色素丙和胎盘酯多糖等高效药品的提取,还用作农药的原料。 三氯乙酸与碱溶液共热即分解成氯仿及碳酸碱。
  • Alfa Aesar:三氯乙酸,ACS,99% Trichloroacetic aci
  • 蒸气密度:<;1 (vs air)
  • 海关编码:29154000
  • 急性毒性:腹腔- 小鼠 LDL0: 500 毫克/ 公斤
  • 上游原料:硝酸
  • 防护措施:有毒,有刺激性,腐蚀性极强,大鼠经口(LD50)3300mg/kg。设备要求密闭,勿与人体接触,操作人员要戴好防护用品。
  • 外观性质:无色结晶,有刺激性气味,易潮解。
  • 下游产品:氯乙酸 --> 毒死蜱 --> N-4-异丙基苯基-N',N'-二甲基脲 --> 三氯乙酰氯 --> 异唑-5-羧酸 --> 5'-三磷酸胞苷 --> 2-氨基-Α-甲基-(1,1'-联苯)-
  • 方法二:1.由醋酸
  • 用途四:该品是医药上的除疣剂和收敛剂,三氯乙酸钠是选择性除草剂,主要用作生物化学药品提取剂,如三磷酸腺苷、细胞色素丙和胎盘酯多糖等高效药品的提取,还用作农药的原料,蛋白质的沉淀剂和显微镜样品的固定剂。
  • 理化性质:三氯乙酸简称TCA。无色或白色斜方晶系晶体。有强潮解性。有轻微的特殊刺激性气味。有强腐蚀性。相对分子质量163.40。相对密度1.6298(61℃)。熔点57~58℃。沸点 197.5℃、141~142℃(3.333×103Pa)。燃烧热3.0kJ。折射率1.4603(61℃)。蒸气压0.133×103Pa(51℃)。易溶于水,水溶液呈酸性(0.1mol水溶液pH1.2),溶于乙醇、乙醚,25℃时的溶解度: 水1306、甲醇 2143、乙醚617;30%以下的水溶液缓慢分解为氯仿、氯化氢、二氧化碳、一氧化碳等;在稀碱溶液中水解为氯仿和二氧化碳;在浓碱溶液中水解生成甲酸。与强碱作用分解为氯仿和碳酸盐。其水溶液呈强酸性,主要用于有机合成(如药物),可作为使用显微镜时的去钙剂和固定剂。本品为强烈腐蚀品。三氯乙酸被列为剧毒品,使用时务必充分注意。小鼠经口毒性为3300mg/kg,大鼠经口LD503320mg/kg,能强烈刺激皮肤及组织。当附着于皮肤时会受烧伤。 三氯乙酸是一种很强的有机酸,离解常数K=3×10-2。化学性质活泼,其钠盐易脱羧成氯仿,遇LiAlH4会还原成醇,和KBr起卤素置换反应: 可由醋酸直接氯代或三氯乙醛经硝酸氧化制得三氯乙酸:CCl3CHO+2HNO3→CCl3COOH+2NO2+H2O。 以上信息由Chemicalbook的彤彤编辑整理。

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