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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
—— Bis((-)-pinanediolato) diboron 230299-17-9 C20H32B2O4
Bis((-)-pinanediolato) diboron
—— methyl 4-[3-[(1Z,3E,5E,8E)-tetradeca-1,3,5,8-tetraenyl]oxiran-2-yl]butanoate 72345-92-7 C21H32O3
methyl 4-[3-[(1Z,3E,5E,8E)-tetradeca-1,3,5,8-tetraenyl]oxiran-2-yl]butanoate
—— disodium;4-[(E)-(3-carboxy-4-oxonaphthalen-1-ylidene)-phenylmethyl]-1-oxidonaphthalene-2-carboxylate 5715-76-4 C29H16Na2O6
disodium;4-[(E)-(3-carboxy-4-oxonaphthalen-1-ylidene)-phenylmethyl]-1-oxidonaphthalene-2-carboxylate
—— Deacetylcefotaxime 66340-28-1 C14H15N5O6S2
Deacetylcefotaxime
—— Disodium 4-((3-carboxylato-4-hydroxy-1-naphthyl)phenylmethylene)-1,4-dihydro-1-oxo-2-naphthoate 5715-76-4 C29H16Na2O6
Disodium 4-((3-carboxylato-4-hydroxy-1-naphthyl)phenylmethylene)-1,4-dihydro-1-oxo-2-naphthoate
—— (E)-(anthracen-9-ylmethylene)hydrazine 7512-18-7 C15H12N2
(E)-(anthracen-9-ylmethylene)hydrazine
—— 1,3,6,10-Cyclotetradecatetraene, 14-isopropyl-3,7,11-trimethyl-, (+)- 1898-13-1 C20H32
1,3,6,10-Cyclotetradecatetraene, 14-isopropyl-3,7,11-trimethyl-, (+)-
—— N-[(Z)-furan-2-ylmethylideneamino]-N-methylmethanamine 14064-21-2 C7H10N2O
N-[(Z)-furan-2-ylmethylideneamino]-N-methylmethanamine
—— (+/-)-Jasmonic acid 77026-92-7 C12H18O3
(+/-)-Jasmonic acid
—— (Z)-1-pyridin-4-yl-N-[(Z)-pyridin-4-ylmethylideneamino]methanimine 6957-22-8 C12H10N4
(Z)-1-pyridin-4-yl-N-[(Z)-pyridin-4-ylmethylideneamino]methanimine
—— (Z)-but-2-ene-1,1-diyl diacetate 25260-60-0 C8H12O4
(Z)-but-2-ene-1,1-diyl diacetate
—— 2-Butanone, 3,3-dimethyl-1-(methylsulfonyl)-, O-((methylamino)carbonyl)oxime 39184-59-3 C9H18N2O4S
2-Butanone, 3,3-dimethyl-1-(methylsulfonyl)-, O-((methylamino)carbonyl)oxime
—— [(E)-(3,3-dimethyl-1-methylsulfinylbutan-2-ylidene)amino] N-methylcarbamate 39184-27-5 C9H18N2O3S
[(E)-(3,3-dimethyl-1-methylsulfinylbutan-2-ylidene)amino] N-methylcarbamate
—— 2-Propenal, 2-methyl-, (2,4-dinitrophenyl)hydrazone (9CI); Methacrylaldehyde, (2,4-dinitrophenyl)hydrazone (6CI,7CI,8CI); Methacrolein 2,4-dinitrophenylhydrazone; NSC 29734 5077-73-6 C10H10N4O4
2-Propenal, 2-methyl-, (2,4-dinitrophenyl)hydrazone (9CI); Methacrylaldehyde, (2,4-dinitrophenyl)hydrazone (6CI,7CI,8CI); Methacrolein 2,4-dinitrophenylhydrazone; NSC 29734
—— 1-Methyl-4-(phenylazo)-quinoliniumperchlorate 67-28-7 C7H7N3O4
1-Methyl-4-(phenylazo)-quinoliniumperchlorate
—— 4-(Methoxycarbonyl)piperidin-1-ium 2971-79-1 C7H14NO2+
4-(Methoxycarbonyl)piperidin-1-ium
—— O,O'-dibenzoyl-D-tartrate 62708-56-9 C18H12O8
O,O'-dibenzoyl-D-tartrate
—— 4-Carbamoylbenzene-1-carboximidamidium 59855-11-7 C8H10N3O+
4-Carbamoylbenzene-1-carboximidamidium
—— 2-(Hydroxymethyl)-6-[3-[3-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxypropoxy]propoxy]oxane-3,4,5-triol 92457-02-8 C18H34O13
2-(Hydroxymethyl)-6-[3-[3-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxypropoxy]propoxy]oxane-3,4,5-triol
—— Zinc bromide 6-ethenylidenecyclohexa-2,4-dien-1-ide (1/1/1) 151073-86-8 C8H7BrZn
Zinc bromide 6-ethenylidenecyclohexa-2,4-dien-1-ide (1/1/1)
—— chloromethyl (1R,3S,4S)-menthyl ether 103128-76-3 C11H21ClO
chloromethyl (1R,3S,4S)-menthyl ether
—— β-Hydroxybutyl-methacrylat 13159-51-8 C8H14O3
β-Hydroxybutyl-methacrylat
—— Cyclohexanemethanol, alpha,3,3-trimethyl-, 1-formate 25225-08-5 C11H20O2
Cyclohexanemethanol, alpha,3,3-trimethyl-, 1-formate
—— 2,2'-azobis[2-(2-imidazolin-2-yl)propane] dihydrochloride 27776-21-2 C12H22N6*2ClH
2,2'-azobis[2-(2-imidazolin-2-yl)propane] dihydrochloride
—— 1-(2,6-Dichlorophenyl)biguanid 42823-15-4 C8H9Cl2N5
1-(2,6-Dichlorophenyl)biguanid
—— azomethine-H monosodium salt 5941-07-1 C17H12NO8S2*Na
azomethine-H monosodium salt
—— 13709-93-8 BH3InO3
—— alpha-D-Glucopyranose, 1-(dihydrogen phosphate), potassium salt (1:2) 6736-77-2 C6H13KO9P
alpha-D-Glucopyranose, 1-(dihydrogen phosphate), potassium salt (1:2)
—— (R)-1-[(1S)-2-(Diphenylphosphino)ferrocenyl]ethyldicyclohexylphosphine 155806-35-2 C36H54FeP2
(R)-1-[(1S)-2-(Diphenylphosphino)ferrocenyl]ethyldicyclohexylphosphine
—— Cycloocta-1,5-diene;rhodium;tetrafluoroborate;hydrate 207124-65-0 C16H26BF4ORh-
Cycloocta-1,5-diene;rhodium;tetrafluoroborate;hydrate
—— 5,5,5-Trichloropentylsilane 107-72-2 C5H11Cl3Si
5,5,5-Trichloropentylsilane
—— disodium;2-N,3-N-dioxidobutane-2,3-diimine;octahydrate 75006-64-3 C4H22N2Na2O10
disodium;2-N,3-N-dioxidobutane-2,3-diimine;octahydrate
—— 1-(4-Amino-2-methylquinolin-1-ium-6-yl)-3-(4-amino-2-methylquinolin-6-yl)urea;chloride 5424-37-3 C21H21ClN6O
1-(4-Amino-2-methylquinolin-1-ium-6-yl)-3-(4-amino-2-methylquinolin-6-yl)urea;chloride
—— Sodium (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-(sulfooxy)phenyl)propanoate 106864-37-3 C24H20NNaO8S
Sodium (S)-2-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-3-(4-(sulfooxy)phenyl)propanoate
—— (2R,3S,5R)-2-methylspiro[1,3-oxathiolane-5,3'-1-azabicyclo[2.2.2]octane] 3-oxide 124751-36-6 C10H17NO2S
(2R,3S,5R)-2-methylspiro[1,3-oxathiolane-5,3'-1-azabicyclo[2.2.2]octane] 3-oxide
—— (1Z,3Z,6Z,10Z,14S)-3,7,11-trimethyl-14-propan-2-ylcyclotetradeca-1,3,6,10-tetraene 1898-13-1 C20H32
(1Z,3Z,6Z,10Z,14S)-3,7,11-trimethyl-14-propan-2-ylcyclotetradeca-1,3,6,10-tetraene
—— Methyl 3-[3,8,13,17-tetrakis(2-methoxy-2-oxoethyl)-7,12,18-tris(3-methoxy-3-oxopropyl)-21,24-dihydroporphyrin-2-yl]propanoate 15435-60-6 C48H54N4O16
Methyl 3-[3,8,13,17-tetrakis(2-methoxy-2-oxoethyl)-7,12,18-tris(3-methoxy-3-oxopropyl)-21,24-dihydroporphyrin-2-yl]propanoate
—— (5S,12R)-5,12-Dihydroxyicosa-6,8,10,14,17-pentaenoic acid 80445-66-5 C20H30O4
(5S,12R)-5,12-Dihydroxyicosa-6,8,10,14,17-pentaenoic acid
—— Propan-2-yl 7-{2-[4-(3-chlorophenoxy)-3-hydroxybut-1-en-1-yl]-3,5-dihydroxycyclopentyl}hept-5-enoate 157283-66-4 C25H35ClO6
Propan-2-yl 7-{2-[4-(3-chlorophenoxy)-3-hydroxybut-1-en-1-yl]-3,5-dihydroxycyclopentyl}hept-5-enoate
—— Photofrin II 87806-31-3 C34H38N4NaO5+
Photofrin II
—— 10Z-Hymenialdisine 82005-12-7 C11H10BrN5O2
10Z-Hymenialdisine
—— 1,1,1,2,2,3,3,4,4,5,5,6,6-Tridecafluorotetradec-7-ene 120464-26-8 C14H15F13
1,1,1,2,2,3,3,4,4,5,5,6,6-Tridecafluorotetradec-7-ene
—— Bis[(+)-pinanediolato]diboron 230299-17-9 C20H32B2O4
Bis[(+)-pinanediolato]diboron
—— 4'-Methyl-[1,1'-biphenyl]-4-amine hydrochloride 1204-78-0 C13H14ClN
4'-Methyl-[1,1'-biphenyl]-4-amine hydrochloride
—— Benzyltrimethylammonium tribromide 111865-47-5 C10H16Br3N ——
—— (Aminoethylaminomethyl)phenethyltrimethoxysilane 74113-77-2 C14H26N2O3Si
(Aminoethylaminomethyl)phenethyltrimethoxysilane
—— 2,3,4,5,6-Pentachlorobenzenethiolate;ZINC 117-97-5 C12Cl10S2Zn-2
2,3,4,5,6-Pentachlorobenzenethiolate;ZINC
—— 1,3-Benzenedisulfonic acid, 4-[[4-(ethylamino)-3-methylphenyl][4-(ethylimino)-3-methyl-2,5-cyclohexadien-1-ylidene]methyl]-6-hydroxy-, monosodium salt 4463-44-9 C25H28N2O7S2
1,3-Benzenedisulfonic acid, 4-[[4-(ethylamino)-3-methylphenyl][4-(ethylimino)-3-methyl-2,5-cyclohexadien-1-ylidene]methyl]-6-hydroxy-, monosodium salt
—— Disodium Methanedisulfonate 5799-70-2 CH2Na2O6S2
Disodium Methanedisulfonate
—— Borane;2-(2-tert-butylsulfanylethylsulfanyl)-2-methylpropane 71522-78-6 C10H28B2S2
Borane;2-(2-tert-butylsulfanylethylsulfanyl)-2-methylpropane