Basic

CAS No.	3688-92-4
Product Name	Thorin I
Synonyms	2-(3,6-Disulfo-2-hydroxy-1-naphthylazo)benzene arsonic acid, disodium salt; disodium (4E)-4-[(2-arsonophenyl)hydrazono]-3-oxo-3,4-dihydronaphthalene-2,7-disulfonate; 1-(o-Arsonophenylazo)-2-naphthol-3,6-disulfonic acid, sodium salt; Thoron
Molecular Formula	C16H11AsN2Na2O10S2
Molecular Weight	576.2971

Physical property

Hazard Symbols	T:Toxic; N:Dangerous for the environment;
Risk Codes	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 Description	S20/21:When using do not eat, drink or smoke.; S28A:After contact with skin, wash immediately with plenty of water.; S45:In case of accident of if you feel unwell, seek medical advice immediately (show the label where possible).; S60:This material and its container must be disposed of as hazardous waste.; S61:Avoid release to the environment. Refer to special instructions / Safety data sheets.;