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THORIN

Product Name
THORIN
CAS No.
3688-92-4
Chemical Name
THORIN
Synonyms
APANS;ASPAN;THORIN;THORON;THORIN 1;THORIN I;ThoronⅠ;THORON(OL);Thorin, GR;Thorin 
CBNumber
CB0471721
Molecular Formula
C16H14AsN2NaO10S2
Formula Weight
556.32
MOL File
3688-92-4.mol
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THORIN Property

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
CAS DataBase Reference
3688-92-4(CAS DataBase Reference)
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Safety

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
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P273Avoid release to the environment.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
1.08294
Product name
Thorin
Purity
indicator for sulfate titration
Packaging
5G
Price
$201
Updated
2025/07/31
TCI Chemical
Product number
H0240
Product name
Thorin Hydrate[for Determination of Th, etc.]
Purity
>90.0%(T)
Packaging
1g
Price
$44
Updated
2025/07/31
Usbiological
Product number
289851
Product name
Thorin
Packaging
2g
Price
$337
Updated
2021/12/16
Usbiological
Product number
242335
Product name
Thorin I
Packaging
5g
Price
$184
Updated
2021/12/16
American Custom Chemicals Corporation
Product number
API0004402
Product name
THORIN
Purity
95.00%
Packaging
5G
Price
$844.56
Updated
2021/12/16
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THORIN Chemical Properties,Usage,Production

Chemical Properties

red to red-brown powder

Uses

Thorin, IND is a biochemical assay reagent.

Definition

A reagent for the colorimetric determination of microgram quantities of thorium.

Hazard

Toxic by ingestion.

THORIN Preparation Products And Raw materials

Raw materials

Preparation Products

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THORIN Suppliers

Americas 1 Austria 1 Belgium 4 CHINA 85 Czech Republic 1 Europe 3 France 2 Germany 6 India 14 Japan 3 Poland 1 Switzerland 2 United Kingdom 8 United States 36 Global 167
J & K SCIENTIFIC LTD.
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View Lastest Price from THORIN manufacturers

Shaanxi Dideu Medichem Co. Ltd
Product
THORIN 3688-92-4
Price
US $1.00/Kg
Min. Order
1Kg
Purity
98%
Supply Ability
20T
Release date
2024-07-19
Zhuozhou Wenxi import and Export Co., Ltd
Product
THORIN 3688-92-4
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-08-11
Career Henan Chemical Co
Product
THORIN 3688-92-4
Price
US $1.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
25kg
Release date
2019-07-11

3688-92-4, THORINRelated Search:

3-Aminothiophenol 2-Naphthol ARSENIC PENTOXIDE PHENOLSULFONIC ACID METHYLARSONIC ACID THORIN Sudan I 1-Amino-2-naphthol 2-HYDROXYTHIOPHENOL Azobenzene CROCEIN ORANGE G 2,7-Naphthalenedisulfonic acid disodium salt 2-Aminobenzenearsonic acid METANILIC ACID SODIUM SALT Phenylarsine oxide Sodium 2-naphthalenesulfonate Metanilic acid 2-Aminophenol

  • 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
  • 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&nbsp
  • 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.]&gt
  • 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
  • 3688-92-4
  • C16H11AsN2Na2O10S2xH2O
  • C32H20As2N4Na4O20S4
  • C16H11AsN2Na2O10S2