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化学试剂

化学试剂通常称为试剂(reagent),是一大类具有各种标准纯度的纯化学物质,广泛应用于教育、科学研究、分析测试,并作为某些新型工业所需的功能性材料和原料。化学试剂种类繁多,在国际上已达数万种之多,我国也有数千种在日常中使用。

化学试剂的分类方法尚未统一,通常按照学科和实际用途进行划分。例如德国伊默克(E·Merck)公司的目录将其分为十二大类七十小类。大多数国家则根据应用范围来划分。我们主要将试剂分为四类:

  1. 通用试剂:泛指符合标准纯度的有机试剂与无机试剂,常用于科学研究、分析测试及合成反应等。

  2. 分析试剂

    • 化学分析试剂:专门用于化学反应分析的测试物品。其中,
      • 标准基准试剂:直接用来配制或标定容量分析中的标准溶液的纯化合物。
      • 指示剂:用于指示滴定终点,分为pH指示剂、氧化还原指示剂、吸附指示剂、金属指示剂及荧光指示剂等。
    • 仪器分析试剂
      • 光谱纯试剂:适用于光谱分析,常以SP表示。
      • 色谱纯试剂:专用于气相色谱仪和液相色谱仪的分析。
      • 氘代试剂:专门用于核磁共振分析。
  3. 电子工业试剂

    • MOS试剂:符合ASTM “O”级标准,是微电子专用试剂。
    • 高纯试剂:包括4N(99.99%)和5N(99.999%)级别的超高纯试剂,用于科学研究、物理化学痕量分析、光纤通讯、微电子与半导体等行业。
    • 光学纯试剂及特殊性能的精细化工产品,如光刻胶。
  4. 生化试剂:即生物化学试剂,包括由生物体提取或合成的基本化学物质。主要作为对生物体成分研究和分析鉴定的重要试剂。涵盖临床免疫试剂、基因工程试剂、细胞培养试剂、激素类物质、毒物致癌研究用试剂及防霉杀虫研究用试剂等。这类试剂对于探索生命奥秘、防治疾病等科学研究与检验至关重要,涉及医学和药物学的纯化学制品。

中文名称 英文名称 CAS号 化学式 结构式图片
—— Hafnium cyclopenta-1,3-dien-1-ide methanide (1/2/2) 37260-88-1 C12H16Hf
Hafnium cyclopenta-1,3-dien-1-ide methanide (1/2/2)
—— Hafnium 2-tert-butylcyclopenta-1,3-dien-1-ide methanide (1/2/2) 68193-45-3 C20H32Hf
Hafnium 2-tert-butylcyclopenta-1,3-dien-1-ide methanide (1/2/2)
—— Bis(isopropylcyclopentadienyl)hafnium dichloride 66349-80-2 C16H22Cl2Hf
Bis(isopropylcyclopentadienyl)hafnium dichloride
—— Magnesium bis(2-ethylcyclopenta-1,3-dien-1-ide) 114460-02-5 C14H18Mg
Magnesium bis(2-ethylcyclopenta-1,3-dien-1-ide)
—— Nickel(2+) bis(2-ethylcyclopenta-1,3-dien-1-ide) 31886-51-8 C14H18Ni
Nickel(2+) bis(2-ethylcyclopenta-1,3-dien-1-ide)
—— Tris(methylcyclopentadienyl)yttrium (III) 329735-72-0 C18H21Y
Tris(methylcyclopentadienyl)yttrium (III)
—— Nickel(2+) bis(2,3,4,5-tetramethylcyclopenta-1,3-dien-1-ide) 79019-60-6 C18H26Ni
Nickel(2+) bis(2,3,4,5-tetramethylcyclopenta-1,3-dien-1-ide)
—— Pyridine borane 110-51-0 C5H5BN
Pyridine borane
—— O-[(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl] O,O-diethyl phosphorothioate 162208-27-7 C10H16N3O5PS2
O-[(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-(methoxyimino)acetyl] O,O-diethyl phosphorothioate
—— Glucosulfone sodium 554-18-7 C24H34N2Na2O18S3
Glucosulfone sodium
—— Ethyl 5-bromo-2-methoxynicotinate 213193-29-4 C9H10BrNO3
Ethyl 5-bromo-2-methoxynicotinate
—— (1R)-(-)-(10-camphorsulfonyl)oxaziridine 104372-31-8 C10H15NO3S
(1R)-(-)-(10-camphorsulfonyl)oxaziridine
—— Triisobutylsilane 6485-81-0 C12H27Si
Triisobutylsilane
—— Dibromoborane Dimethyl Sulfide (1M in Dichloromethane) 55671-55-1 C2H6BBr2S
Dibromoborane Dimethyl Sulfide (1M in Dichloromethane)
—— 4-((6-(Acryloyloxy)hexyl)oxy)phenyl 4-(hexyloxy)benzoate 863394-23-4 C28H36O6
4-((6-(Acryloyloxy)hexyl)oxy)phenyl 4-(hexyloxy)benzoate
—— Borane-tetrahydrofuran 14044-65-6 C4H8BO
Borane-tetrahydrofuran
—— (1S)-(+)-(10-camphorsulfonyl)oxaziridine 104322-63-6 C10H15NO3S
(1S)-(+)-(10-camphorsulfonyl)oxaziridine
—— Octaneperoxoic acid, 2,2-dimethyl-, 1,1-dimethylethyl ester 26748-41-4 C14H28O3
Octaneperoxoic acid, 2,2-dimethyl-, 1,1-dimethylethyl ester
—— tetrafluoroboric acid etherate 67969-82-8 BF3*C4H10O*FH
tetrafluoroboric acid etherate
—— 1,2-Bis[(2R,5R)-2,5-diethylphospholano]benzene(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate 228121-39-9 C30H48BF4P2Rh-
1,2-Bis[(2R,5R)-2,5-diethylphospholano]benzene(1,5-cyclooctadiene)rhodium(I) tetrafluoroborate
—— methyl 4-methylfuran-2-carboxylate 6141-57-7 C7H8O3
methyl 4-methylfuran-2-carboxylate
—— 3-(3-furanyl)propenoic acid propyl ester 6938-33-6 C10H12O3
3-(3-furanyl)propenoic acid propyl ester
—— 3-[3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-8-oxa-3-azabicyclo[3.2.1]octane 1416776-19-6 C18H26BNO3
3-[3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-8-oxa-3-azabicyclo[3.2.1]octane
—— (2S,6R)-2,6-dimethyl-4-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2- yl)phenyl)morpholine 1416776-06-1 C18H28BNO3
(2S,6R)-2,6-dimethyl-4-(3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2- yl)phenyl)morpholine
—— ethyl 3-[4-(4,4,5,5-tetramethyl[1,3,2]dioxaborolan-2-yl)phenyl]acrylate 876169-22-1 C17H23BO4
ethyl 3-[4-(4,4,5,5-tetramethyl[1,3,2]dioxaborolan-2-yl)phenyl]acrylate
—— 7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[d]thiazole 1326714-48-0 C13H16BNO2S
7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[d]thiazole
—— 5,5'-dibromo-2,2'-bithiophene 647836-56-4 C26H25BO2
5,5'-dibromo-2,2'-bithiophene
—— (R)-4-(tert-butyl)-2-(pyridin-2-yl)-4,5-dihydrooxazole 117408-98-7 C12H16N2O
(R)-4-(tert-butyl)-2-(pyridin-2-yl)-4,5-dihydrooxazole
—— cycloocta-1,5-diene;(2S,5S)-1-[2-[(2S,5S)-2,5-diethylphospholan-1-yl]phenyl]-2,5-diethylphospholane;rhodium;trifluoromethanesulfonate 142184-30-3 C31H48F3O3P2RhS-
cycloocta-1,5-diene;(2S,5S)-1-[2-[(2S,5S)-2,5-diethylphospholan-1-yl]phenyl]-2,5-diethylphospholane;rhodium;trifluoromethanesulfonate
—— 3Z-cembrene A 1898-13-1 C20H32
3Z-cembrene A
—— harringtonine 62624-24-2 C28H37NO9
harringtonine
—— tert-butyl (7-oxoheptyl)carbamate 133728-25-3 C12H23NO3
tert-butyl (7-oxoheptyl)carbamate
—— cembrene 1898-13-1 C20H32
cembrene
—— β-Ethyl-aepfelsaeuredimethylester 344407-03-0 C8H14O5
β-Ethyl-aepfelsaeuredimethylester
—— tert-butyl[bis(2-methylphenyl)]phosphine 36228-06-5 C18H23P
tert-butyl[bis(2-methylphenyl)]phosphine
—— methyl 3-(piperidin-2-yl)propionate hydrochloride 1021204-94-3 C9H17NO2*ClH
methyl 3-(piperidin-2-yl)propionate hydrochloride
—— 2-cyano-3-ethoxyacrylic acid methyl ester 29096-99-9 C7H9NO3
2-cyano-3-ethoxyacrylic acid methyl ester
—— (R)-(+)-2-bromohexanoic acid 616-05-7 C6H11BrO2
(R)-(+)-2-bromohexanoic acid
—— methyl 3-(2-(tert-butoxycarbonylamino)ethyl)benzoate 179003-02-2 C15H21NO4
methyl 3-(2-(tert-butoxycarbonylamino)ethyl)benzoate
—— 3-methoxy-5-methyl-4-oxo-hexa-2,5-dienoic acid 90-65-3 C8H10O4
3-methoxy-5-methyl-4-oxo-hexa-2,5-dienoic acid
—— magnesium;5-methylcyclopenta-1,3-diene;methylcyclopentane 40672-08-0 C12H14Mg-4
magnesium;5-methylcyclopenta-1,3-diene;methylcyclopentane
—— Dicyclopentadienyl magnesium 1284-72-6 C10H10Mg-4
Dicyclopentadienyl magnesium
—— 2,6,2',6'-Tetraaminobiphenyl 51640-64-3 C12H14N4
2,6,2',6'-Tetraaminobiphenyl
—— Ethyl (4-hydroxy-3-nitrophenyl) carbonate 103497-00-3 C9H9NO6
Ethyl (4-hydroxy-3-nitrophenyl) carbonate
—— ethyl 7-hydroxy-2-ethylchromane-2-carboxylate 717901-09-2 C14H18O4
ethyl 7-hydroxy-2-ethylchromane-2-carboxylate
—— dimethyl(4-vinylphenyl)silane 4556-72-3 C10H14Si
dimethyl(4-vinylphenyl)silane
—— 2-(benzofuran-3-ylmethyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 1444010-79-0 C15H19BO3
2-(benzofuran-3-ylmethyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane
—— cis-ϖ-Camphansaeure 465-48-5 C10H14O4
cis-ϖ-Camphansaeure
—— (1S)-(-)-camphanic acid 465-48-5 C10H14O4
(1S)-(-)-camphanic acid
—— bicyclo[2.2.1]hept-5-ene-2-carboxylic acid butyl ester 37981-18-3 C12H18O2
bicyclo[2.2.1]hept-5-ene-2-carboxylic acid butyl ester