ChemicalBook >> CAS DataBase List >>THORIN
THORIN
- CAS No.
- 3688-92-4
- Chemical Name:
- THORIN
- Synonyms
- THORON;APANS;ASPAN;THORIN;THORIN 1;THORIN I;ThoronⅠ;THORON(OL);Thorin, GR;Thorin
- CBNumber:
- CB0471721
- Molecular Formula:
- C16H14AsN2NaO10S2
- Molecular Weight:
- 556.32
- MDL Number:
- MFCD00003888
- MOL File:
- 3688-92-4.mol
- MSDS File:
- SDS
- TDS File:
- TDS
Last updated:2026-07-07 16:53:29
| Melting point | >300°C |
|---|---|
| bulk density | 700kg/m3 |
| storage temp. | Store at +5°C to +30°C. |
| pka | pK1:3.7;pK2:8.3;pK3:11.8 (25°C) |
| form | powder to crystal |
| 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+] |
| REACH Annex XVII Substances List | Disodium 4-[(o-arsonophenyl)azo]-3-hydroxynaphthalene-2,7-disulphonate (3688-92-4) |
| CAS DataBase Reference | 3688-92-4(CAS DataBase Reference) |
| FDA UNII | LFP7CNK4M5 |
| UNSPSC Code | 12352103 |
| NACRES | NB.21 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |   GHS06,GHS09 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Danger | |||||||||
| Hazard statements | H301+H331-H410 | |||||||||
| Precautionary statements | P261-P264-P270-P273-P301+P310-P304+P340+P311 | |||||||||
| Hazard Codes | T,N | |||||||||
| Risk Statements | 23/25-50/53 | |||||||||
| Safety Statements | 20/21-28-45-60-61 | |||||||||
| RIDADR | UN 3465 6.1/PG 3 | |||||||||
| WGK Germany | 3 | |||||||||
| TSCA | Yes | |||||||||
| HazardClass | 6.1(a) | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 29270000 | |||||||||
| Storage Class | 6.1A - Combustible, acute toxic Cat. 1 and 2 very toxic hazardous materials |
|||||||||
| Hazard Classifications | Acute Tox. 3 Inhalation Acute Tox. 3 Oral Aquatic Acute 1 Aquatic Chronic 1 |
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| NFPA 704 |
|
THORIN price More Price(16)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 1.08294 | Thorin indicator for sulfate titration | 3688-92-4 | 5G | $212 | 2026-04-30 | Buy |
| TCI Chemical | H0240 | Thorin Hydrate[for Determination of Th, etc.] >90.0%(T) | 3688-92-4 | 1g | $73 | 2026-04-30 | Buy |
| Usbiological | 242335 | Thorin I | 3688-92-4 | 5g | $184 | 2026-06-03 | Buy |
| Usbiological | 242335 | Thorin I | 3688-92-4 | 25g | $297 | 2026-06-03 | Buy |
| Usbiological | 242335 | Thorin I | 3688-92-4 | 100g | $715 | 2026-06-03 | Buy |
THORIN Preparation Products And Raw materials
Raw materials
Preparation Products
THORIN Suppliers
Global Suppliers ( 172)
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| 3B Pharmachem (Wuhan) International Co.,Ltd. | 18930552037 | 3bsc@sina.com | China | 15813 | 69 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30103 | 84 |
| TCI (Shanghai) Development Co., Ltd. | 021-67121386 | Sales-CN@TCIchemicals.com | China | 24512 | 81 |
| Energy Chemical | 400-0056266 | sales8178@energy-chemical.com | China | 44850 | 61 |
| Nanjing Chemlin Chemical Co., Ltd | 025-83697070 13770331960 | info@chemlin.com.cn | China | 16305 | 64 |
| Shandong Xiya Chemical Co., Ltd | 13355009207 13355009207 | 3007715519@qq.com | China | 18722 | 57 |
| Sichuan Kulinan Technology Co., Ltd | 400-1166-196 18981987031 | cdhxsj@163.com | China | 11674 | 57 |
| Sinopharm Chemical Reagent Co,Ltd. | 86-21-63210123 | sj_scrc@sinopharm.com | China | 9791 | 79 |
View Latest Price from THORIN manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-07-07 | THORIN
3688-92-4
|
1kg | 98% | 1000kg | Shaanxi Dideu New Materials Co. Ltd | ||
 |
2024-07-20 | THORIN
3688-92-4
|
$1.00 | 1Kg | 98% | 20T | Shaanxi Dideu Medichem Co. Ltd | |
 |
2021-08-12 | THORIN
3688-92-4
|
$10.00-15.00 | 1KG | 99%+ HPLC | Zhuozhou Wenxi import and Export Co., Ltd |
3688-92-4 (THORIN) Related Search:
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
2-(3,6-DISULFO-2-HYDROXY-1-NAPHTHYLAZO)BENZENEARSONIC ACID, DISODIUM SALT
1-(2-ARSONOPHENYLAZO)-2-HYDROXY-3,6-NAPHTHALENE-DISULFONIC ACID SODIUM SALT OCTAHYDRATE
1-(2-ARSONOPHENYLAZO)-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT
THORIN
THORIN 1
THORIN 1 DISODIUM SALT
THORIN I
THORIN INDICATOR
THORIN OCTAHYDRATE
THORON(OL)
O-(3 6-DISULFO-2-HYDROXY-1-NAPHTHYLAZO)BENZENEARSONIC ACID DISODIUM SALT
O-(2-HYDROXY-3,6-DISULFO-1-NAPHTHYLAZO) BENZENEARSONIC ACID, DISODIUM SALT
O-ARSONOPHENYLAZO-2-NAPHTHOL-3,6-DISULFONIC ACID, (DI) SODIUM SALT
Thorin I, Pure
disodium 4-[(o-arsonophenyl)azo]-3-hydroxynaphthalene-2,7-disulphonate
THORIN R. G.
THORIN I, INDICATOR GRADE
THORIN INDICATOR GR
THORIN (OCTAHYDRATE) INDICATOR FOR SULFA
Thorin,for spectrophotometric det.of Li,Th,Zr
Thorin I, indicator grade, pure
APANS, Thoron(ol), 1-(2-Arsonophenylazo)-2-naphthol-3,6-disulfonic acid disodium salt, 2-(3,6-Disulfo-2-hydroxy-1-naphthylazo)benzenearsonic acid disodium salt, 2-(2-Hydroxy-3,6-disulfo-1-naphthylazo)phenylarsonic acid disodium salt
Thorin Hydrate [for Determination of Th, etc.]
Thorin I,pure,indicator grade
Thorin [for Determination of Th, etc.]
disodium 1-(2-arsonophenylazo)-2-naphthol-3,6-disulfonate
ThoronⅠ
1-(2-Arsonophenylazo)-2-naphthol-3,6-disulfonic Acid Disodium Salt
Aspan
2-(2-Hydroxy-3,6-disulfo-1-naphthylazo)benzenearsonic Acid Disodium Salt
Thoron
Disodium 1-(2-Arsonophenylazo)-2-naphthol-3,6-disulfonate
Hydrate [for DeterMination of Th, etc.]
Thorin
2-[(2-Hydroxy-3,6-disulfo-1-naphthyl)azo]benzenearsonic Acid Disodium Salt Aspan Disodium 1-(2-Arsonophenylazo)-2-naphthol-3,6-disulfonate Thoron 1-(2-Arsonophenylazo)-2-naphthol-3,6-disulfonic acid disodium salt 2-(2-Hydroxy-3,6-disulfo-1-naphthylazo)phe
Thorin p.a.
Thorin Hydrate
1-(o-Arsonophenylazo)-2-hydroxynaphthalene-3,6-disulfonic acid 3,6-disodium salt
4-[(2-Arsonophenyl)azo]-3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt
Thorin I, indicator grade, pure 5GR
ThorinHydrate[forDeterminationofTh,etc.]>
isodium,(4E)-4-[(2-arsonophenyl)hydrazinylidene]-3-oxonaphthalene-2,7-disulfonate
Thorin, indicator for sulfate titration
Thorin, GR
Thorin extrapure AR
4-[(O-Arsonophenyl)azo]-3-hydroxy-2, disodium salt
Thorin, IND
Thorin, Reag.
Sodium 4-[(2-Arsonophenyl)diazenyl]-3-hydroxynaphthalene-2,7-disulfonate
THORON
3688-92-4
C16H11AsN2Na2O10S2xH2O
C32H20As2N4Na4O20S4
C16H11AsN2Na2O10S2
