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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
—— (S)-N-(4-cyano-3-(trifluoromethyl)phenyl)-3-(4-cyanophenoxy)-2-hydroxy-2-methylpropanamide-d4 1202044-20-9 C19H14F3N3O3
(S)-N-(4-cyano-3-(trifluoromethyl)phenyl)-3-(4-cyanophenoxy)-2-hydroxy-2-methylpropanamide-d4
—— diethyl (E)-(3-oxo-3-phenylprop-1-en-1-yl)phosphonate 70508-77-9 C13H17O4P
diethyl (E)-(3-oxo-3-phenylprop-1-en-1-yl)phosphonate
—— propanedioic {[4-(2-propynyloxy)phenyl]methylene}-diethyl ester 146763-69-1 C17H18O5
propanedioic {[4-(2-propynyloxy)phenyl]methylene}-diethyl ester
—— ditert-butyl sulfide 107-47-1 C8H18S
ditert-butyl sulfide
—— [2-(9-phenanthryl)phenyl]diphenylphosphine 405919-42-8 C32H23P
[2-(9-phenanthryl)phenyl]diphenylphosphine
—— methyl 4-(diphenylphosphoryl)benzoate 5032-55-3 C20H17O3P
methyl 4-(diphenylphosphoryl)benzoate
—— diphenyl(1-naphthyl)phosphine sulfide 3135-70-4 C22H17PS
diphenyl(1-naphthyl)phosphine sulfide
—— dibenzylidene-2,6 cyclohexanone 897-78-9 C20H18O
dibenzylidene-2,6 cyclohexanone
—— (Z)-3-(4-Methoxyphenyl)-2-propenal 1963-36-6 C10H10O2
(Z)-3-(4-Methoxyphenyl)-2-propenal
—— (2S,3S)-ethyl 3-aminobicyclo[2.2.2]octane-2-carboxylate hydrochloride 1626394-43-1 C11H19NO2*ClH
(2S,3S)-ethyl 3-aminobicyclo[2.2.2]octane-2-carboxylate hydrochloride
—— 3-bromo-1,1′: 3′1″-terphenyl 98905-03-4 C18H13Br
3-bromo-1,1′: 3′1″-terphenyl
—— (3-methyl-1-butynyl)diphenylphosphine 62199-59-1 C17H17P
(3-methyl-1-butynyl)diphenylphosphine
—— DPE-phos 192373-35-6 C37H30P2
DPE-phos
—— 1,4,7,10,13,16-hexaazacyclooctadecane hexahydrochloride 58105-91-2 C12H36N6*6Cl
1,4,7,10,13,16-hexaazacyclooctadecane hexahydrochloride
—— tert-butyl 3-(N,N-dimethylamino)acrylate 818-00-8 C9H17NO2
tert-butyl 3-(N,N-dimethylamino)acrylate
—— (5-chloro-[1,1'-biphenyl]-3-yl)boronic acid 1186403-21-3 C12H10BClO2
(5-chloro-[1,1'-biphenyl]-3-yl)boronic acid
—— Tri-hept-6-enyl-phosphane 816419-99-5 C21H39P
Tri-hept-6-enyl-phosphane
—— tri(5-hexen-1-yl)phosphine 816419-98-4 C18H33P
tri(5-hexen-1-yl)phosphine
—— acetic acid-(2,2,2-tribromo-ethyl ester) 599-99-5 C4H5Br3O2
acetic acid-(2,2,2-tribromo-ethyl ester)
—— 2,2',2''-Phosphanetriyltris(N,N-dimethylethan-1-amine) 42844-41-7 C12H30N3P
2,2',2''-Phosphanetriyltris(N,N-dimethylethan-1-amine)
—— 2-[bis(propan-2-yl)phosphoryl]propane 17513-58-5 C9H21OP
2-[bis(propan-2-yl)phosphoryl]propane
—— 2’-bromo-1,1‘-biphenyl-3-carbonitrile 690260-67-4 C13H8BrN
2’-bromo-1,1‘-biphenyl-3-carbonitrile
—— 1,2,3,4,5,6,7,8,13,13,14,14-dodecachloro-1,4,4a,4b,5,8,8a,12b-octahydro-10-methyl-1,4;5,8-dimethanotriphenylene 4605-91-8 C21H10Cl12
1,2,3,4,5,6,7,8,13,13,14,14-dodecachloro-1,4,4a,4b,5,8,8a,12b-octahydro-10-methyl-1,4;5,8-dimethanotriphenylene
—— methyl 3-(diphenylphosphanyl)propanoate 76734-29-7 C16H17O2P
methyl 3-(diphenylphosphanyl)propanoate
—— but-1-ynyldiethylphosphine 194038-21-6 C8H15P
but-1-ynyldiethylphosphine
—— (4Z,6Z)-2,6-Dimethyl-2,4,6-octatriene 673-84-7 C10H16
(4Z,6Z)-2,6-Dimethyl-2,4,6-octatriene
—— Ethyl 3a,4,5,6,7,7a-hexahydro-1,2-benzisoxazole-3-carboxylate 40499-70-5 C10H15NO3
Ethyl 3a,4,5,6,7,7a-hexahydro-1,2-benzisoxazole-3-carboxylate
—— sodium ethane thiol 811-51-8 C2H6S*Na
sodium ethane thiol
—— 637-92-3 C6H14O
—— (Z)-N-[(tert-butoxy)carbonyl]imino(tert-butoxy)formamide 870-50-8 C10H18N2O4
(Z)-N-[(tert-butoxy)carbonyl]imino(tert-butoxy)formamide
—— (+)-2,3-dibromo-propionic acid 600-05-5 C3H4Br2O2
(+)-2,3-dibromo-propionic acid
—— 6-((naphthalene-1-yl)oxy)hexan-1-ol 337307-65-0 C16H20O2
6-((naphthalene-1-yl)oxy)hexan-1-ol
—— Cyclohexanecarboxylic acid, 4-pentyl-, cis- 38289-29-1 C12H22O2
Cyclohexanecarboxylic acid, 4-pentyl-, cis-
—— Triheptyl-phosphinoxid 17262-51-0 C21H45OP
Triheptyl-phosphinoxid
—— 2-isonitrosoacetophenone 532-54-7 C8H7NO2
2-isonitrosoacetophenone
—— sodium salt of 4-amino-3-nitrobenzenesulfonic acid 5042-33-1 C6H5N2O5S*Na
sodium salt of 4-amino-3-nitrobenzenesulfonic acid
—— 1,4,7-triazacyclononane trihydrochloride 58966-93-1 C6H18N3*3Cl
1,4,7-triazacyclononane trihydrochloride
—— N,O-Dimethylhydroxylammonium ion 6638-79-5 C2H7NO*H
N,O-Dimethylhydroxylammonium ion
—— germanium,trimethylsilicon 104164-54-7 C9H28GeSi3
germanium,trimethylsilicon
—— methyl 1-(2-methoxyphenyl)cyclopropane-1-carboxylate 936328-79-9 C12H14O3
methyl 1-(2-methoxyphenyl)cyclopropane-1-carboxylate
—— ethyl pyruvate 3-formamido-4-methoxyphenyl-hydrazone 107575-59-7 C13H17N3O4
ethyl pyruvate 3-formamido-4-methoxyphenyl-hydrazone
—— 8 Bornyl acetate 5655-61-8 C12H20O2
8 Bornyl acetate
—— diisopropyl (2-methyl-2-pyrrolidinyl)phosphonate 176645-37-7 C11H24NO3P
diisopropyl (2-methyl-2-pyrrolidinyl)phosphonate
—— <i>racem.</i>-butane-1,2,3,4-tetracarboxylic acid 1703-58-8 C8H10O8
<i>racem.</i>-butane-1,2,3,4-tetracarboxylic acid
—— Elenolic acid 2-O-glucoside 60539-23-3 C17H24O11
Elenolic acid 2-O-glucoside
—— diisopropyl phenyl phosphate 51496-03-8 C12H19O4P
diisopropyl phenyl phosphate
—— 9-ethyl-9H-carbazole-3-carbaldehyde N,N-diphenylhydrazone 73276-70-7 C27H23N3
9-ethyl-9H-carbazole-3-carbaldehyde N,N-diphenylhydrazone
—— methyl 7-chloro-1H-indazole-4-carboxylate 1079993-27-3 C9H7ClN2O2
methyl 7-chloro-1H-indazole-4-carboxylate
—— 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoline 1226995-21-6 C15H18BNO2
2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)quinoline
—— [6-((diethoxyphosphoryl)methyl)naphthalen-2-ylmethyl]phosphonic acid diethyl ester 23973-60-6 C20H30O6P2
[6-((diethoxyphosphoryl)methyl)naphthalen-2-ylmethyl]phosphonic acid diethyl ester