ChemicalBook--->CAS DataBase List--->3688-92-4

3688-92-4

3688-92-4 Structure

3688-92-4 Structure
IdentificationMore
[Name]

THORIN
[CAS]

3688-92-4
[Synonyms]

1-(2-ARSONOPHENYLAZO)-2-HYDROXY-3,6-NAPHTHALENE-DISULFONIC ACID SODIUM SALT OCTAHYDRATE
1-(2-ARSONOPHENYLAZO)-2-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT
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
APANS
ASPAN
DISODIUM-1-(O-ARSONOPHENYLAZO)-2-NAPHTHOL-3,6-DISULFONIC ACID
O-(2-HYDROXY-3,6-DISULFO-1-NAPHTHYLAZO) BENZENEARSONIC ACID, DISODIUM SALT
O-(3 6-DISULFO-2-HYDROXY-1-NAPHTHYLAZO)BENZENEARSONIC ACID DISODIUM SALT
O-ARSONOPHENYLAZO-2-NAPHTHOL-3,6-DISULFONIC ACID, (DI) SODIUM SALT
THORIN
THORIN 1
THORIN 1 DISODIUM SALT
THORIN I
THORIN INDICATOR
THORIN OCTAHYDRATE
[EINECS(EC#)]

205-058-2
[Molecular Formula]

C16H11AsN2Na2O10S2
[MDL Number]

MFCD00003888
[Molecular Weight]

576.3
[MOL File]

3688-92-4.mol
Chemical PropertiesBack Directory
[Definition]

A reagent for the colorimetric determination of microgram quantities of thorium.
[Appearance]

red to red-brown powder
[Melting point ]

>300°C
[storage temp. ]

Store at +5°C to +30°C.
[pka]

pK1:3.7;pK2:8.3;pK3:11.8 (25°C)
[PH]

6.1 (10g/l, H2O, 20℃)
[Water Solubility ]

Soluble in water.
[InChIKey]

DCSRPHQBFSYJNN-BUFQOAPZSA-L
[CAS DataBase Reference]

3688-92-4(CAS DataBase Reference)
Safety DataBack Directory
[Hazard Codes ]

T,N
[Risk Statements ]

R23/25:Toxic by inhalation and if swallowed .
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
[Safety Statements ]

S20/21:When using, do not eat, drink or smoke .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
[RIDADR ]

UN 3465 6.1/PG 3
[WGK Germany ]

3
[TSCA ]

Yes
[HazardClass ]

6.1(a)
[PackingGroup ]

II
[HS Code ]

29270000
Hazard InformationBack Directory
[Chemical Properties]

red to red-brown powder
[Hazard]

Toxic by ingestion.
Spectrum DetailBack Directory
[Spectrum Detail]

THORIN(3688-92-4)IR1
THORIN(3688-92-4)IR2
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Thorin I, indicator grade, pure(3688-92-4)
[Alfa Aesar]

Thorin(3688-92-4)
[Sigma Aldrich]

3688-92-4(sigmaaldrich)
[TCI AMERICA]

Thorin  Hydrate [for Determination of Th, etc.],>90.0%(T)(3688-92-4)
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