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:
Benzyltrimethylammonium fluoride
CAS:
329-97-5
MF:
C10H16FN
Structure:
Chemical Name:
Cyclohexanaminium, N-ethyl-N,N-dimethyl-, bromide
CAS:
1006061-38-6
MF:
C10H22BrN
Structure:
Chemical Name:
4-(4-Fluorophenyl)phenylboronic acid
CAS:
140369-67-1
MF:
C12H10BFO2
Structure:
Chemical Name:
Dibemethine
CAS:
102-05-6
MF:
C15H17N
Chemical Name:
monoethylene glycol
Chemical Name:
Polyurethane resin
CAS:
67700-43-0
Structure:
Chemical Name:
boron indium(3+) trioxide
CAS:
13709-93-8
MF:
BH3InO3-3
Structure:
Chemical Name:
Boronic acid, B-(3-amino-2,6-dichlorophenyl)-
CAS:
2096330-06-0
MF:
C6H6BCl2NO2
Structure:
Chemical Name:
B-[10-(Phenyl-2,3,4,5,6-d5)-9-anthracenyl]boronicacid
CAS:
1453199-87-5
MF:
C20H15BO2
Structure:
Chemical Name:
B-[10-(Phenyl-2,3,4,5,6-d5)-9-anthracenyl]boronicacid
CAS:
1453199-87-5
MF:
C20H15BO2
Chemical Name:
Ammonium sulfide ((NH4)2(Sx))
CAS:
9080-17-5
MF:
(NH4)2Sx
Structure:
Chemical Name:
tetramethylammonium tetraphenylborate
CAS:
15525-13-0
MF:
C24H20B.C4H12N
Structure:
Chemical Name:
Guanylurea Phosphate
CAS:
36897-89-9
MF:
C2H9N4O5P
Structure:
Chemical Name:
Methyltripropyl ammonium chloride
CAS:
75373-66-9
MF:
C10H24ClN
Structure:
Chemical Name:
5-Trifluoromethyl-pyridine-3-boronic acid
CAS:
947533-51-9
MF:
C6H5BF3NO2
Structure:
Chemical Name:
(R)-4-(tert-Butoxycarbonyl)morpholine-2-carboxylic acid
CAS:
884512-77-0
MF:
C10H17NO5
Structure:
Chemical Name:
Boronic acid, (4-acetyl-2-thienyl)- (9CI)
CAS:
689247-77-6
MF:
C6H7BO3S
Structure:
Chemical Name:
Dimethylditetradecylammonium bromide
CAS:
68105-02-2
MF:
C30H64BrN
Structure:
Chemical Name:
2-Formylthiophene-4-boronic acid pinacol ester
CAS:
881381-12-0
MF:
C11H15BO3S
Structure:
Chemical Name:
3-Isopropoxy-5-trifluoromethylphenylboronic acid
CAS:
1256345-44-4
MF:
C10H12BF3O3
Structure:
Chemical Name:
3-cyano-4-isopropoxyphenylboronic acid
CAS:
1009303-59-6
MF:
C10H12BNO3
Structure:
Chemical Name:
[3-(Oxan-2-ylmethoxy)phenyl]boranediol
CAS:
1311185-12-2
MF:
C12H17BO4
Structure:
Chemical Name:
Potassium (E)-propenyl-1-trifluoroborate
CAS:
804565-39-7
MF:
C3H5BF3K
Structure:
Chemical Name:
2-Fluoro-5-formylphenylboronic acid pinacol ester
CAS:
1112208-82-8
MF:
C13H16BFO3
Structure:
Chemical Name:
1,3-Bis(2,6-di-i-propylphenyl)imidazol-2-ylidene(acetonitrile)gold(I) tetrafluoroborate, 95%
CAS:
896733-61-2
MF:
C29H38AuBF4N3-
Structure:
Chemical Name:
2,2'-bis(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)biphenyl
CAS:
398128-09-1
MF:
C24H32B2O4
Structure:
Chemical Name:
Lithium triborate
MF:
B3LiO9-8
Structure:
Chemical Name:
3-Formyl-5-(trifluoromethoxy)phenylboronic acid
CAS:
1451393-39-7
MF:
C8H6BF3O4
Structure:
Chemical Name:
3-Formyl-5-(trifluoromethoxy)phenylboronic acid
CAS:
1451393-39-7
MF:
C8H6BF3O4
Structure:
Chemical Name:
5-Bromobenzo[1,3]dioxole-4-boronic acid
CAS:
1451392-88-3
MF:
C7H6BBrO4
Structure:
Chemical Name:
6-Ethoxy-2-methylpyridine-3-boronic acid
CAS:
1451391-75-5
MF:
C8H12BNO3
Structure:
Chemical Name:
4-(Naphthalen-2-yl(phenyl)amino)phenylboronic acid
CAS:
847755-81-1
MF:
C22H18BNO2
Structure:
Chemical Name:
Chloro[(R)-2,2'-bis(diphenylphosphino)-1,1'-binaphthyl][(1R,2R)-cyclohexane-1,2-diamine)]ruthenium(II)tetrafluoroborate
CAS:
1150112-42-7
MF:
C50H46BClF4N2P2Ru
Structure:
Chemical Name:
4-BROMOBENZENEBORONIC ACID N-METHYLDIETHANOLAMINE ESTER
CAS:
133468-58-3
MF:
C11H15BBrNO2
Structure:
Chemical Name:
(5aR,10bS)-2-(2,6-Diethylphenyl)-5a,10b-dihydro-4H,6Hindeno[ 2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazinium Tetrafl uoroborate
CAS:
1221487-76-8
MF:
C22H24BF4N3O
Structure:
Chemical Name:
25-Bromo-2,5,8,11,14,17,20,23-octaoxapentacosane
CAS:
1056881-04-9
MF:
C17H35BrO8
Structure:
Chemical Name:
N3-[1,1'-Biphenyl]-4-yl-N1,N1-diphenyl-1,3-benzenediamine
CAS:
1800322-10-4
MF:
C30H24N2
Structure:
Chemical Name:
Boronic acid, B,B',B',B'''-(silanetetrayltetra-4,1-phenylene)tetrakis-
CAS:
499142-74-4
MF:
C24H24B4O8Si
Structure:
Chemical Name:
5-METHYLBENZOTHIOPHENE-2-BORONIC ACID
CAS:
136099-65-5
MF:
C9H9BO2S
Structure:
Chemical Name:
1-(TERT-BUTYL) 5-METHYL 3-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-1H-INDOLE-1,5-DICARBOXYLATE
CAS:
2304634-20-4
MF:
C21H28BNO6
Structure:
Chemical Name:
(3-CARBOXY-5-NITROPHENYL)BORONIC ACID, PINACOL ESTER
CAS:
377780-80-8
MF:
C13H16BNO6
Structure:
Chemical Name:
(3-CARBOXY-5-NITROPHENYL)BORONIC ACID, PINACOL ESTER
CAS:
377780-80-8
MF:
C13H16BNO6
Structure:
Chemical Name:
2,4,7,9-Tetramethyl-5-decyne-4,7-diol
CAS:
126-86-3
MF:
C14H26O2
Structure:
Chemical Name:
1,4-DIOXA-SPIRO[4,5]DEC-7-EN-8-BORONIC ACID, PINACOL ESTER
CAS:
680596-79-6
MF:
C14H23BO4
Structure:
Chemical Name:
2-Methyl-2-nitropropan-1-ol
CAS:
76-39-1
MF:
C4H9NO3
Structure:
Chemical Name:
1-(2-(tetrahydro-2H-pyran-4-yl)propan-2-yl)thiourea
CAS:
2129084-41-7
MF:
C9H18N2OS
Structure:
Chemical Name:
2-METHOXY-4-(TRIFLUOROMETHOXY)-PHENYLBORONIC ACID
CAS:
355836-10-1
MF:
C8H8BF3O4
Structure:
Chemical Name:
2 3-DIFLUORO-4-FORMYPHENYLBORONIC ACID
CAS:
480424-84-8
MF:
C7H5BF2O3
Chemical Name:
POTASSIUM PENTABORATE OCTAHYDRATE, 97
CAS:
12229-13-9
MF:
B10K2O16
Structure:
Chemical Name:
2,7-DIMETHYL-BENZO[LMN][3,8]PHENANTHROLINIUM BISTETRAFLUOROBORATE
CAS:
21178-14-3
MF:
C16H14B2F8N2
Structure:
Chemical Name:
2-Cyano-4-fluorobenzeneboronic acid pinacol ester
CAS:
876601-43-3
MF:
C7H5BFNO2
Structure:
Chemical Name:
2-Cyano-4-fluorobenzeneboronic acid pinacol ester
CAS:
876601-43-3
MF:
C7H5BFNO2
Structure:
Chemical Name:
3,6-DIBROMO-2-FLUOROPHENYLBORONIC ACID
CAS:
870778-92-0
MF:
C6H4BBr2FO2
Structure:
Chemical Name:
Methyl tripropyl ammonium bromide
MF:
C10H24BrN
Structure:
Chemical Name:
6-CHLORO-BENZOXAZOLE
CAS:
227197-72-0
MF:
C7H4ClNO
Structure:
Chemical Name:
INDEX NAME NOT YET ASSIGNED
CAS:
2304996-68-5
MF:
C18H13BO2
Structure:
Chemical Name:
tert-Butyl 3S-amino-2,3,4,5-tetrahydro-1H-[1]benaepin-2-one-1-acetate tartrate
CAS:
117770-66-8
MF:
C16H22N2O3.C4H6O6
Structure:
Chemical Name:
4,4'-Sulfonylbis(2,6-dibromophenol)
CAS:
39635-79-5
MF:
C12H6Br4O4S
Structure:
Chemical Name:
dimethylditetradecylammonium chloride
CAS:
10108-91-5
MF:
C30H64ClN
Chemical Name:
HYDROXYPROPYL GUAR HYDROXYPROPYLTRIMONIUM CHLORIDE
CAS:
71329-50-5
Structure:
Chemical Name:
TETRABUTYL AMMONIUM BROMIDE
CAS:
10549-76-5
MF:
C16H36BrN
Structure:
Chemical Name:
5-Methylthiophene-2-boronic acid pinacol ester, 95%
CAS:
476004-80-5
MF:
C11H17BO2S
Structure:
Chemical Name:
Benzyldimethylhexylammonium chloride
CAS:
22559-57-5
MF:
C15H26ClN
Structure:
Chemical Name:
3-FORMYL-5-METHYLPHENYLBORONIC ACID
CAS:
870777-33-6
MF:
C8H9BO3
Structure:
Chemical Name:
METHYL 6-BROMO-1H-INDAZOLE-3-CARBOXYLATE
CAS:
885278-42-2
MF:
C9H7BrN2O2
Structure:
Chemical Name:
Diallyldimethylammonium chloride
CAS:
7398-69-8
MF:
C8H16ClN
Structure:
Chemical Name:
BENZYLTRI-N-BUTYLAMMONIUM IODIDE
CAS:
60754-76-9
MF:
C19H34IN
Structure:
Chemical Name:
BENZYL(2-HYDROXYETHYL)DIMETHYLAMMONIUM CHLORIDE
CAS:
7221-40-1
MF:
C11H18ClNO
Structure:
Chemical Name:
4-Methyl-3-trifluoromethyl-phenylboronic acid
CAS:
947533-94-0
MF:
C8H8BF3O2
Chemical Name:
Clotrimazole
CAS:
108935-74-6
Structure:
Chemical Name:
TETRA-N-OCTYLAMMONIUM IODIDE
CAS:
16829-91-7
MF:
C32H68IN
Structure:
Chemical Name:
SEBACIC DIHYDRAZIDE
CAS:
925-83-7
MF:
C10H22N4O2
Structure:
Chemical Name:
1-[9-Ethyl-6-(2-methylbenzoyl)-9H-carbazol-3-yl]ethanone 1-(O-acetyloxime)
CAS:
478556-66-0
MF:
C26H24N2O3
Structure:
Chemical Name:
2(1H)-PYRIDINONE, 1-METHYL-5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)-
CAS:
1002309-52-5
MF:
C12H18BNO3
Structure:
Chemical Name:
3-HYDROXYMETHYLTHIOPHENE-2-BORONIC ACID
CAS:
222840-73-5
MF:
C5H7BO3S
Structure:
Chemical Name:
5-BROMO-2-CHLORO-4-(TRIFLUOROMETHYL)PYRIDINE
CAS:
823221-93-8
MF:
C6H2BrClF3N
Structure:
Chemical Name:
methyl 1-cyanocyclobutanecarboxylate
CAS:
58920-79-9
MF:
C7H9NO2
Structure:
Chemical Name:
4,4'-Diaminooctafluorobiphenyl
CAS:
1038-66-0
MF:
C12H4F8N2
Structure:
Chemical Name:
4-ISOPROPOXY-2-METHYLPHENYLBORONIC ACID
CAS:
871126-21-5
MF:
C10H15BO3
Structure:
Chemical Name:
3-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLANE)-PYRAZOLE
CAS:
844501-71-9
MF:
C9H15BN2O2
Structure:
Chemical Name:
(4-CYANOPHENYL)METHANESULFONYL CHLORIDE
CAS:
56105-99-8
MF:
C8H6ClNO2S
Chemical Name:
POTASSIUM DODECAHYDRODODECABORATE HYDRATE
CAS:
12008-77-4
MF:
H12B12K2
Structure:
Chemical Name:
Ethyltrimethylammonium bromide
CAS:
2650-77-3
MF:
C2H5(CH3)3NBr
Structure:
Chemical Name:
3-(6-Methyl-4,8-dioxo-1,3,6,2-dioxazaborocan-2-yl)benzonitrile
CAS:
1257738-14-9
MF:
C12H11BN2O4
Structure:
Chemical Name:
trans-2-Phenylvinylboronic acid MIDA ester
CAS:
1152427-93-4
MF:
C13H14BNO4
Structure:
Chemical Name:
Potassium 3,3,3-trifluoropropane-1-trifluoroborate
CAS:
1430722-07-8
MF:
C3H3BF6K
Structure:
Chemical Name:
2-Fluoro-4-(methoxycarbonyl)phenylboronic acid,pinacol ester
CAS:
603122-79-8
MF:
C14H18BFO4
Structure:
Chemical Name:
4-Amino-2-fluoro-5-methoxybenzoic acid
CAS:
1001346-91-3
MF:
C8H8FNO3
Structure:
Chemical Name:
2-(3-Bromophenyl)-4,6-diphenyl-1,3,5-triazine
CAS:
864377-31-1
MF:
C21H14BrN3
Structure:
Chemical Name:
2-Ethoxycarbonylindole-5-boronic acid pinacol ester
CAS:
736990-02-6
MF:
C17H22BNO4
Structure:
Chemical Name:
3-(2-Chloro-4-fluorophenylMethoxy)phenylboronic acid
CAS:
1256358-45-8
MF:
C13H11BClFO3
Structure:
Chemical Name:
5-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)FURO[2,3-B]PYRIDINE
CAS:
1251728-92-3
MF:
C13H16BNO3
Structure:
Chemical Name:
Cyclopropanecarboxylic acid, 2-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)-, Methyl ester, (1R,2R)-rel-
CAS:
126689-05-2
MF:
C11H19BO4
Structure:
Chemical Name:
5-Methoxy-2-(4,4,5,5-tetraMethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde
CAS:
1132669-90-9
MF:
C14H19BO4
Structure:
Chemical Name:
3-BroMo-4-forMylbenzoic acid
CAS:
91760-66-6
MF:
C8H5BrO3
Structure:
Chemical Name:
[Rh COD (R)-Binap]BF4, Rh 11.2%
CAS:
120521-81-5
MF:
C52H42BF4P2Rh
Structure:
Chemical Name:
2-CARBOMETHOXY-3-TROPINONE
CAS:
36127-17-0
MF:
C10H15NO3
Structure:
Chemical Name:
1-Cyclopentyl-1H-pyrazole-4-boronic acid
CAS:
1416786-06-5
MF:
C8H13BN2O2
Structure:
Chemical Name:
6-Isobutoxynaphthalene-2-boronic acid
CAS:
1228310-17-5
MF:
C14H17BO3
Structure:
Chemical Name:
ETHYLTRIMETHYLAMMONIUM IODIDE
CAS:
51-93-4
MF:
C5H14IN