Esters Aromatic acids fatty acid Fatty alcohols Boric acid Cyanide / nitrile Aromatic ketones Aromatic aldehydes Halogenated aliphatic hydrocarbons aliphatic ketones Amide Ethers Aromatics Aromatic alcohol Phosphine ligand Phenols Thiol / thiol Silane Acyl halide Sulfonates / Sulfinates salts Cyanate ester / isocyanate Nitro compounds Imide Olefin (cyclic and acyclic) The polycyclic compound Hydrazine Amine salt (ammonium salt) Aliphatic aldehydes Bicyclic compound Oxime Tricyclic compound Alkanes Sulfonyl halide Phosphonate / phosphonate Phosphorus halide Alkyne Carboxylic anhydride Urea Phosphorus-containing compound Siloxane Azo, diazo compound Ionic Liquids Thiocyanate / isothiocyanate Borate Sulfonates / Sulfinates Selenium compounds Guanidine salt Borane Thiourea Thiolate tetrafluoroborate Thiol ester Polycyclic compound Crown ether Sulfone, sulfoxide compound Hydrazone Imide, amidine Polyamines Tosylate Epoxide Azide Hydroxylamine Cyclodextrin
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Organic reagents

Esters Aromatic acids fatty acid Fatty alcohols Boric acid Cyanide / nitrile Aromatic ketones Aromatic aldehydes Halogenated aliphatic hydrocarbons aliphatic ketones Amide Ethers Aromatics Aromatic alcohol Phosphine ligand Phenols Thiol / thiol Silane Acyl halide Sulfonates / Sulfinates salts Cyanate ester / isocyanate Nitro compounds Imide Olefin (cyclic and acyclic) The polycyclic compound Hydrazine Amine salt (ammonium salt) Aliphatic aldehydes Bicyclic compound Oxime Tricyclic compound Alkanes Sulfonyl halide Phosphonate / phosphonate Phosphorus halide Alkyne Carboxylic anhydride Urea Phosphorus-containing compound Siloxane Azo, diazo compound Ionic Liquids Thiocyanate / isothiocyanate Borate Sulfonates / Sulfinates Selenium compounds Guanidine salt Borane Thiourea Thiolate tetrafluoroborate Thiol ester Polycyclic compound Crown ether Sulfone, sulfoxide compound Hydrazone Imide, amidine Polyamines Tosylate Epoxide Azide Hydroxylamine Cyclodextrin
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From early AD to mid-19 century, people mainly use the natural organic substance (such as animal and plant extracts) for qualitative analysis or quantitative analysis. From the second half of the 19th century to the 1920s, it had begun to appear of artificially synthetic organic reagent such as using potassium acetate xanthan for test of nickel, copper, and molybdenum; using morin for test of aluminum; using diazo coupling reaction for the detection of Nitrite; using α-β-nitroso naphthol for detection of cobalt; using dimethyglyoxime for nickel test.

After the proposal of the special-effects group in the 1930s and the proposal of theoretical analysis of functional groups theory in 1950s, people had carried out large-scale screen of organic reagents in search of special-effects analysis groups for different ions and had successfully synthesized a lot of agents of practical value (such as copper reagents, new copper agent, cadmium reagents, beryllium reagent, thorium reagents, etc.). Before the 1950s, the complex compound, in analytic chemistry, is mainly used in the aspects of the precipitation reaction of a binary chelate for the qualitative detection, precipitate isolation and gravimetric separation and other aspects. In the early 1950s and 1960, it is mainly in the form of complexometric titration. From the beginning of the late 1960s, the main focus has been moved to the photometric analysis. Meanwhile, it has been also developed of chelate organic solvent extraction.

8-hydroxy quinoline, hydrazones, oximes, hydroxamic acids, polyphenols, 1, 10-phenanthroline, phosphorus-oxygen extractant, β- diketones, triphenylmethane acid dye, xanthene dyes and azo dyes and other agents has all been widely studied and applied. On the other hand, the structural theoretical research (such as electronic effects, spatial effects and substituent effects) of the organic reagent can further facilitate the development of new-type organic reagents such as heterocyclic azo reagent. During this period, it has been also developed of monoazo chromotropic acid-type and disazo chromotropic acid-type reagent. During the mid-1970s, the chelating resin and adsorbents have achieved rapid development. Since the 1980s, Chinese researchers of analytical chemistry have made progress in the field of the synthesis and application of asymmetric disazo chromotropic acid.

Organic chemical reagents have wide application in analytic chemistry and are mainly used in solvents, precipitation agents, complexing agents, indicator, coloring reagent and surface active agent, etc. In order to adapt to a variety of analytical needs, sometimes it is required to purify certain reagents. For example, liquid organic reagent is often purified by distillation while solid substance is often purified through crystallization and sublimation. Substance having a high vapor pressure, namely having low purification boiling point and undergoing no decomposition under boiling temperature commonly applied atmospheric distillation; for less volatile and water-insoluble substance, namely having high purification point or undergoing decomposition under boiling temperature, we can apply vacuum distillation or steam distillation for purification of it.

Distillation is a commonly used method for laboratory purification of organic reagent. Conventional distillation apparatus generally comprises distiller, condenser and receiver, three parts with auxiliary section also containing heater, a thermometer, a wetted tube and cork.

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Structure:
Chemical Name:
1-(2,6-Dichlorophenyl)-1H-pyrazol-4-ylboronic acid
CAS:
1217501-45-5
MF:
C9H7BCl2N2O2
Structure:
Chemical Name:
5-(t-Butyldimethylsilyloxy)-2,3-difluorophenylboronic acid
CAS:
1150114-45-6
MF:
C12H19BF2O3Si
Structure:
Chemical Name:
3-(1-Naphthoyl)indole
CAS:
109555-87-5
MF:
C19H13NO
Structure:
Chemical Name:
3-(2,3-DifluorophenylMethoxy)phenylboronic acid
CAS:
1256358-50-5
MF:
C13H11BF2O3
Structure:
Chemical Name:
4-Chloro-1h-indole-2-boronic acid
CAS:
1256355-59-5
MF:
C8H7BClNO2
Structure:
Chemical Name:
4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-ol
CAS:
1256358-90-3
MF:
C11H16BNO3
Structure:
Chemical Name:
3-Trifluoromethyl-1H-pyrazole-4-boronic acid pinacol ester
CAS:
1218790-40-9
MF:
C10H14BF3N2O2
Structure:
Chemical Name:
1H-Benzo[d][1,2,3]triazol-5-ylboronic acid pinacol ester
CAS:
1257651-13-0
MF:
C12H16BN3O2
Structure:
Chemical Name:
(+/-)7-HDOHE
CAS:
90780-55-5
MF:
C22H32O3
Structure:
Chemical Name:
3-Cyano-1-propylboronic acid pinacol ester, 96%
CAS:
238088-16-9
MF:
C10H18BNO2
Structure:
Chemical Name:
Triethylmethylammonium bromide
CAS:
2700-16-5
MF:
C7H18BrN
Chemical Name:
TC-90
Structure:
Chemical Name:
2-Bromo-5-chlorophenol
CAS:
13659-23-9
MF:
C6H4BrClO
Structure:
Chemical Name:
((4R,5R)-(+)-O-[1-Benzyl-1-(5-methyl-2-phenyl-4,5-dihydrooxazol-4-yl)-2-phenylethyl](dicyclohexylphosphinite)(1,5-COD)iridium(I)tetrakis(3,5-bis(trifluoromethyl)phenylborate,min.97%
CAS:
880262-14-6
MF:
C77H67BF24IrNO2P
Chemical Name:
Boric acid esters
Structure:
Chemical Name:
2-(N-Methylsulfamoyl)phenylboronic acid
CAS:
956283-09-3
MF:
C7H10BNO4S
Structure:
Chemical Name:
9H-Carbazole, 9-[3'-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)[1,1'-biphenyl]-3-yl]-
CAS:
1235880-28-0
MF:
C30H28BNO2
Structure:
Chemical Name:
3-ACETYL-2-FLUOROPHENYLBORONIC ACID
CAS:
870778-95-3
MF:
C8H8BFO3
Structure:
Chemical Name:
2-Chloro-6-fluorobenzene-1-carbonyl chloride
CAS:
79455-63-3
MF:
C7H3Cl2FO
Structure:
Chemical Name:
(8-fluoroquinolin-3-yl)boronic acid
CAS:
1207750-07-9
MF:
C9H7BFNO2
Structure:
Chemical Name:
(S)-4-oxide-2,6-bisbis([1,1':3',1''-terphenyl]-5'-yl)-8,9,10,11,12,13,14,15-octahydro-4-hydroxydinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin
CAS:
1496637-09-2
MF:
C56H45O4P
Structure:
Chemical Name:
(4-CBZ-AMINOPHENYL)BORONIC ACID
CAS:
192804-36-7
MF:
C14H14BNO4
Structure:
Chemical Name:
N-(2-DIMETHYLAMINOETHYL)-4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)BENZAMIDE
CAS:
832114-11-1
MF:
C17H27BN2O3
Structure:
Chemical Name:
Malonic dihydrazide
CAS:
3815-86-9
MF:
C3H8N4O2
Structure:
Chemical Name:
Decyltrimethylammonium bromide
CAS:
2082-84-0
MF:
C13H30BrN
Structure:
Chemical Name:
N-[1-(2,3-DIOLEYLOXY)PROPYL]-N,N,N-TRIMETHYLAMMONIUM CHLORIDE
CAS:
132172-61-3
MF:
C42H80ClNO4
Structure:
Chemical Name:
1-(tetrahydro-2H-pyran-2-yl)-1H-indazol-6-yl-6-boronic acid, 95%
CAS:
2096337-20-9
MF:
C12H15BN2O3
Structure:
Chemical Name:
1-Propanaminium, N,N-dimethyl-N-propyl-, bromide (1:1)
CAS:
52509-52-1
MF:
C8H20BrN
Structure:
Chemical Name:
N,N,N-trimethylcyclohexanaminium hydroxide
CAS:
19895-48-8
MF:
C9H21NO
Structure:
Chemical Name:
2,5-dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile
CAS:
1630082-71-1
MF:
C15H20BNO2
Structure:
Chemical Name:
THYMOLPHTHALEXON, INDICATOR FOR COMPLEXO METRY
CAS:
62698-55-9
MF:
C38H45N2NaO12
Structure:
Chemical Name:
4-BUTOXY-3-CHLOROPHENYLBORONIC ACID
CAS:
480438-55-9
MF:
C10H14BClO3
Structure:
Chemical Name:
2-(CIS-1-ETHYL-1-BUTENYL)-1 3 2-BENZODI&
CAS:
37490-28-1
MF:
C12H15BO2
Structure:
Chemical Name:
(E)-2-(3-METHOXY-1-PROPEN-1-YL)-4 4 5 5&
CAS:
165059-42-7
MF:
C10H19BO3
Structure:
Chemical Name:
3-PHENYLPROPYLBORONIC ACID
CAS:
36329-85-8
MF:
C9H13BO2
Structure:
Chemical Name:
(2-FLUORO-4-BIPHENYL)ACETIC ACID
CAS:
5001-96-7
MF:
C14H11FO2
Structure:
Chemical Name:
BUTYLTRIMETHYLAMMONIUM CHLORIDE
CAS:
14251-72-0
MF:
C7H18ClN
Structure:
Chemical Name:
1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone
CAS:
7226-23-5
MF:
C6H12N2O
Structure:
Chemical Name:
2,5-Dimethyl-3-hexyne-2,5-diol
CAS:
142-30-3
MF:
C8H14O2
Structure:
Chemical Name:
3,3-DIMETHYLHEXANE
CAS:
563-16-6
MF:
C8H18
Structure:
Chemical Name:
Boronic acid, B-(2-hydroxy-4,6-dimethylphenyl)-
CAS:
1421935-36-5
MF:
C8H11BO3
Structure:
Chemical Name:
Boronic acid, B-spiro[9H-fluorene-9,9'-[9H]xanthen]-3'-yl-
CAS:
2396648-07-8
MF:
C25H17BO3
Structure:
Chemical Name:
Succinimide
CAS:
123-56-8
MF:
C4H5NO2
Structure:
Chemical Name:
1,3,4,6-Tetrachlorotetrahydroimidazo(4,5-d)imidazole-2,5(1H,3H)-dione
CAS:
776-19-2
MF:
C4H2Cl4N4O2
Structure:
Chemical Name:
Quaternary ammonium compounds, di-C8-10-alkyldimethyl, chlorides
CAS:
68424-95-3
MF:
C32H66Cl2+4
Chemical Name:
Quaternary ammonium compounds, bis(hydroxyethyl)methyltallow alkyl, chlorides
CAS:
67784-77-4
Structure:
Chemical Name:
nonanoic acid, compound with 2,2',2''-nitrilotriethanol (1:1)
CAS:
10246-68-1
MF:
C9H18O2.C6H15NO3
Structure:
Chemical Name:
2-FLUORO-6-ISOPROPOXYPHENYLBORONIC ACID
CAS:
870777-17-6
MF:
C9H12BFO3
Structure:
Chemical Name:
2-FLUORO-6-ISOPROPOXYPHENYLBORONIC ACID
CAS:
870777-17-6
MF:
C9H12BFO3
Structure:
Chemical Name:
2,6-DIFLUORO-4-FORMYLPHENYLBORONIC ACID&
CAS:
870717-92-3
MF:
C13H15BF2O3
Chemical Name:
Hydrogen chloride methanol solution 2M, 4M
Structure:
Chemical Name:
AMMONIUM SALICYLATE
CAS:
528-94-9
MF:
C7H9NO3
Structure:
Chemical Name:
HAFNIUM (IV) I-PROPOXIDE MONOISOPROPYLATE
CAS:
2171-99-5
MF:
C12H28HfO4
Structure:
Chemical Name:
3-BROMO-4-FLUOROBENZENESULFONYL CHLORIDE
CAS:
631912-19-1
MF:
C6H3BrClFO2S
Structure:
Chemical Name:
3-Hydroxybutyric acid
CAS:
625-71-8
MF:
C4H8O3
Structure:
Chemical Name:
D-Luciferin potassium salt
CAS:
115144-35-9
MF:
C11H9KN2O3S2
Structure:
Chemical Name:
3-Hydroxy-5-(trifluoromethoxy)phenylboronic acid
CAS:
957120-22-8
MF:
C7H6BF3O4
Structure:
Chemical Name:
4-FLUORO-3-(METHYLCARBAMOYL)BENZENEBORONIC ACID
CAS:
874219-19-9
MF:
C8H9BFNO3
Structure:
Chemical Name:
5-Cyano-2-(trifluoromethoxy)phenylboronic acid
CAS:
1072946-64-5
MF:
C8H5BF3NO3
Structure:
Chemical Name:
(2-METHOXY-6-METHYLPHENYL)BORONIC ACID
CAS:
1567218-43-2
MF:
C8H11BO3
Structure:
Chemical Name:
4-chloro-17a-methyl-androst-1,4-diene-3,17b-diol
CAS:
1338221-84-3
MF:
C20H29ClO2
Structure:
Chemical Name:
3-Methylenecyclobutanecarbonitrile
CAS:
15760-35-7
MF:
C6H7N
Structure:
Chemical Name:
3-Chloro-4-ethoxyphenylboronic acid
CAS:
279261-81-3
MF:
C8H10BClO3
Structure:
Chemical Name:
1-Boc-7-Azaindole-3-boronic acid pinacol ester
CAS:
942070-47-5
MF:
C18H25BN2O4
Structure:
Chemical Name:
1-Boc-7-Azaindole-3-boronic acid pinacol ester
CAS:
942070-47-5
MF:
C18H25BN2O4
Structure:
Chemical Name:
1-Boc-7-Azaindole-3-boronic acid pinacol ester
CAS:
942070-47-5
MF:
C18H25BN2O4
Structure:
Chemical Name:
Allylcoppe
CAS:
37974-18-8
MF:
C3H5Cu
Structure:
Chemical Name:
2-(Ethoxycarbonyl)furan-3-boronic acid
CAS:
1150114-62-7
MF:
C7H9BO5
Structure:
Chemical Name:
6-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)quinoxaline
CAS:
1167418-13-4
MF:
C14H17BN2O2
Structure:
Chemical Name:
3-Isobutoxy-5-methylphenylboronic acid
CAS:
1256345-77-3
MF:
C11H17BO3
Structure:
Chemical Name:
4-Chloro-3-(2-dimethylaminoethoxy)phenylboronic acid
CAS:
1256355-02-8
MF:
C10H15BClNO3
Structure:
Chemical Name:
1,3-dibromo-2-chlorobenzene
CAS:
19230-27-4
MF:
C6H3Br2Cl
Structure:
Chemical Name:
1-(2-FLUORO-6-(TRIFLOROMETHYL)BENZYL)UREA
CAS:
830346-46-8
MF:
C9H8F4N2O
Structure:
Chemical Name:
Methyl 4-oxotetrahydrofuran-3-carboxylate
CAS:
57595-23-0
MF:
C6H8O4
Structure:
Chemical Name:
3-[(2,2-Dimethyl-1-oxobutyl)thio]propanoic acid methyl ester
CAS:
938063-63-9
MF:
C10H18O3S
Structure:
Chemical Name:
2-Methoxy-5-nitrophenylboronic acid pinacol ester
CAS:
677746-34-8
MF:
C13H18BNO5
Structure:
Chemical Name:
(Cyclopentylmethyl)methylamine hydrochloride
CAS:
666262-50-6
MF:
C7H16ClN
Structure:
Chemical Name:
1-(Tetrahydro-2H-pyran-2-yl)-3-(trifluoromethyl)-1H-pyrazol-5-ylboronic acid
CAS:
1141878-45-6
MF:
C9H12BF3N2O3
Structure:
Chemical Name:
2-Chloro-6-hydroxyphenylboronic acid
CAS:
958646-70-3
MF:
C6H6BClO3
Structure:
Chemical Name:
Methyl 4-fluoro-2-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate
CAS:
1218790-17-0
MF:
C15H20BFO4
Structure:
Chemical Name:
2-Ethoxy-4,4,5,5-tetramethyl-1,3,2-dioxaboralane
CAS:
1126-93-8
MF:
C8H17BO3
Structure:
Chemical Name:
6-BroMo-2,3-dichlorophenylboronicacid
CAS:
1451392-86-1
MF:
C6H4BBrCl2O2
Structure:
Chemical Name:
BENZYLTRIMETHYLAMMONIUM FLUORIDE HYDRATE
CAS:
127582-36-9
MF:
C10H18FNO
Structure:
Chemical Name:
Methylammonium solution
MF:
CH6N+
Structure:
Chemical Name:
(2-Cyano-4-Methylphenyl)boronic acid
CAS:
1328882-30-9
MF:
C8H8BNO2
Structure:
Chemical Name:
2-Cyano-5-(trifluoroMethyl)phenylboronic acid
CAS:
1375110-43-2
MF:
C8H5BF3NO2
Structure:
Chemical Name:
2-Norbornanemethanol
CAS:
5240-72-2
MF:
C8H14O
Structure:
Chemical Name:
4,4,5,5-tetramethyl-2-(4-(triphenylen-2-yl)phenyl) -1,3,2-dioxaborolane
CAS:
1158227-59-8
MF:
C30H27BO2
Structure:
Chemical Name:
1-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole
CAS:
837392-62-8
MF:
C15H20BNO2
Structure:
Chemical Name:
7-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzo[d]thiazole
CAS:
1326714-48-0
MF:
C13H16BNO2S
Structure:
Chemical Name:
2-Bromo-3-carboxypyridine-5-boronic acid
CAS:
1451393-49-9
MF:
C6H5BBrNO4
Structure:
Chemical Name:
6-Bromo-2-methylpyridine-3-boronic acid pinacol ester
CAS:
1451391-32-4
MF:
C12H17BBrNO2
Structure:
Chemical Name:
(5-Chloro-2-propoxy-4-pyridinyl)boronic acid
CAS:
1196699-78-1
MF:
C8H11BClNO3
Structure:
Chemical Name:
6-(N,N,N-trimethylammonio)hexyl bromide
CAS:
191086-27-8
MF:
C9H21BrN+
Structure:
Chemical Name:
5-methoxyacetylamino-2,4,6-triiodoisophthalic acid (2,3-dihydroxypropyl)amide chloride
CAS:
76350-04-4
MF:
C14H14ClI3N2O6
Structure:
Chemical Name:
(+/-)17-HDOHE
CAS:
90780-52-2
MF:
C22H32O3
Structure:
Chemical Name:
2-Chloro-1-p-tolyl-ethanone
CAS:
4209-24-9
MF:
C9H9ClO
Structure:
Chemical Name:
Acrylic anhydride
CAS:
2051-76-5
MF:
C6H6O3
Structure:
Chemical Name:
(3-Bromo-2-methoxypyridin-4-yl)boronic acid
CAS:
1072946-00-9
MF:
C6H7BBrNO3
Structure:
Chemical Name:
2-(TOLUENE-4-SULFONYLAMINO)PHENYLBORONIC ACID, PINACOL ESTER
CAS:
796061-07-9
MF:
C19H24BNO4S