THORIN
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- $26 - $844.56
- Product name: THORIN
- CAS: 3688-92-4
- MF: C16H14AsN2NaO10S2
- MW: 556.32
- EINECS:222-993-1
- MDL Number:MFCD00003888
- Synonyms:ASPAN;APANS;DISODIUM-1-(O-ARSONOPHENYLAZO)-2-NAPHTHOL-3,6-DISULFONIC ACID;1-(O-ARSONOPHENYLAZO)-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT;2-[(2-HYDROXY-3,6-DISULFO-1-NAPHTHYL)AZO]BENZENEARSONIC ACID DISODIUM SALT;2-(2-HYDROXY-3,6-DISULFO-1-NAPHTHYLAZO)-BENZENE-ARSONIC ACID SODIUM SALT OCTAHYDRATE;2-(2-HYDROXY-3,6-DISULFO-1-NAPHTHYLAZO)PHENYLARSONIC ACID DISODIUM SALT;2-(3,6-DISULFO-2-HYDROXY-1-NAPHTHYLAZO)BENZENE ARSONIC ACID, DISODIUM
16 prices
Selected condition:
Brand
- aablocks
- AK Scientific
- American Custom Chemicals Corporation
- Biosynth
- ChemScene
- Sigma-Aldrich
- TCI Chemical
- Usbiological
Package
- 100mg
- 0.5g
- 1g
- 2g
- 5G
- 10g
- 25g
- 100g
- Manufactureraablocks
- Product numberAA00BX9Q
- Product descriptionThorin ≥90%
- Packaging100mg
- Price$26
- Updated2026-05-28
- Buy
- Manufactureraablocks
- Product numberAA00BX9Q
- Product descriptionThorin >97.0%(T)
- Packaging1g
- Price$59
- Updated2026-05-28
- Buy
- ManufacturerAK Scientific
- Product number6311AF
- Product descriptionThorin
- Packaging1g
- Price$117
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberAPI0004402
- Product descriptionTHORIN 95.00%
- Packaging5G
- Price$844.56
- Updated2021-12-16
- Buy
- ManufacturerBiosynth
- Product numberFT12466
- Product descriptionThorin
- Packaging10g
- Price$584.1
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFT12466
- Product descriptionThorin
- Packaging5g
- Price$324.5
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFT12466
- Product descriptionThorin
- Packaging0.5g
- Price$150
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFT12466
- Product descriptionThorin
- Packaging1g
- Price$150
- Updated2026-06-04
- Buy
- ManufacturerBiosynth
- Product numberFT12466
- Product descriptionThorin
- Packaging2g
- Price$181.72
- Updated2026-06-04
- Buy
- ManufacturerChemScene
- Product numberCS-0169010
- Product descriptionThorin, IND IND
- Packaging1g
- Price$44
- Updated2026-06-04
- Buy
- ManufacturerSigma-Aldrich
- Product number1.08294
- Product descriptionThorin indicator for sulfate titration
- Packaging5G
- Price$212
- Updated2026-04-30
- Buy
- ManufacturerTCI Chemical
- Product numberH0240
- Product descriptionThorin Hydrate[for Determination of Th, etc.] >90.0%(T)
- Packaging1g
- Price$73
- Updated2026-04-30
- Buy
- ManufacturerUsbiological
- Product number242335
- Product descriptionThorin I
- Packaging5g
- Price$184
- Updated2026-06-03
- Buy
- ManufacturerUsbiological
- Product number242335
- Product descriptionThorin I
- Packaging25g
- Price$297
- Updated2026-06-03
- Buy
- ManufacturerUsbiological
- Product number289851
- Product descriptionThorin
- Packaging2g
- Price$337
- Updated2021-12-16
- Buy
- ManufacturerUsbiological
- Product number242335
- Product descriptionThorin I
- Packaging100g
- Price$715
- Updated2026-06-03
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| aablocks | AA00BX9Q | Thorin ≥90% | 100mg | $26 | 2026-05-28 | Buy |
| aablocks | AA00BX9Q | Thorin >97.0%(T) | 1g | $59 | 2026-05-28 | Buy |
| AK Scientific | 6311AF | Thorin | 1g | $117 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | API0004402 | THORIN 95.00% | 5G | $844.56 | 2021-12-16 | Buy |
| Biosynth | FT12466 | Thorin | 10g | $584.1 | 2026-06-04 | Buy |
| Biosynth | FT12466 | Thorin | 5g | $324.5 | 2026-06-04 | Buy |
| Biosynth | FT12466 | Thorin | 0.5g | $150 | 2026-06-04 | Buy |
| Biosynth | FT12466 | Thorin | 1g | $150 | 2026-06-04 | Buy |
| Biosynth | FT12466 | Thorin | 2g | $181.72 | 2026-06-04 | Buy |
| ChemScene | CS-0169010 | Thorin, IND IND | 1g | $44 | 2026-06-04 | Buy |
| Sigma-Aldrich | 1.08294 | Thorin indicator for sulfate titration | 5G | $212 | 2026-04-30 | Buy |
| TCI Chemical | H0240 | Thorin Hydrate[for Determination of Th, etc.] >90.0%(T) | 1g | $73 | 2026-04-30 | Buy |
| Usbiological | 242335 | Thorin I | 5g | $184 | 2026-06-03 | Buy |
| Usbiological | 242335 | Thorin I | 25g | $297 | 2026-06-03 | Buy |
| Usbiological | 289851 | Thorin | 2g | $337 | 2021-12-16 | Buy |
| Usbiological | 242335 | Thorin I | 100g | $715 | 2026-06-03 | Buy |
Properties
Melting point :>300°C
bulk density :700kg/m3
storage temp. :Store at +5°C to +30°C.
form :powder to crystal
pka :pK1:3.7;pK2:8.3;pK3:11.8 (25°C)
color :Orange to Brown to Dark red
PH :6.1 (10g/l, H2O, 20℃)
Water Solubility :Soluble in water.
λmax :480-490 nm (propan-2-ol)
InChIKey :DCSRPHQBFSYJNN-BUFQOAPZSA-L
SMILES :[As](=O)([O-])([O-])c1c(cccc1)N\N=C2/c3c(cc(cc3)[S](=O)(=O)O)C=C(C/2=O)[S](=O)(=O)O.[Na+].[Na+]
CAS DataBase Reference :3688-92-4(CAS DataBase Reference)
bulk density :700kg/m3
storage temp. :Store at +5°C to +30°C.
form :powder to crystal
pka :pK1:3.7;pK2:8.3;pK3:11.8 (25°C)
color :Orange to Brown to Dark red
PH :6.1 (10g/l, H2O, 20℃)
Water Solubility :Soluble in water.
λmax :480-490 nm (propan-2-ol)
InChIKey :DCSRPHQBFSYJNN-BUFQOAPZSA-L
SMILES :[As](=O)([O-])([O-])c1c(cccc1)N\N=C2/c3c(cc(cc3)[S](=O)(=O)O)C=C(C/2=O)[S](=O)(=O)O.[Na+].[Na+]
CAS DataBase Reference :3688-92-4(CAS DataBase Reference)
Safety Information
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| Signal word: | Danger | ||||||||||||||
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Description
Thorin is used as a reagent for the determination of thorium. It is also used as an indicator in the titrimetric determination of organic sulfur compounds and sulfate with Ba(ClO4)2.More related product prices
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Suppliers and manufacturers
J & K SCIENTIFIC LTD.
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TCI (Shanghai) Development Co., Ltd.
Energy Chemical
Nanjing Chemlin Chemical Co., Ltd
Shandong Xiya Chemical Co., Ltd
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Sinopharm Chemical Reagent Co,Ltd.





