3688-92-4

Name THORIN
CAS 3688-92-4
EINECS(EC#) 205-058-2
Molecular Formula C16H11AsN2Na2O10S2
MDL Number MFCD00003888
Molecular Weight 576.3
MOL File 3688-92-4.mol
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Chemical Properties

Definition A reagent for the colorimetric determination of microgram quantities of thorium.
Appearance red to red-brown powder
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)

Safety Data

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
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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