831-59-4

Name 1,3-BENZENEDISULFONIC ACID DISODIUM SALT
CAS 831-59-4
EINECS(EC#) 212-606-4
Molecular Formula C6H4Na2O6S2
MDL Number MFCD00007492
Molecular Weight 282.2
MOL File 831-59-4.mol
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Chemical Properties

bulk density 860kg/m3
density  1.124
vapor pressure  0Pa at 25℃
storage temp.  Store below +30°C.
solubility  water: soluble5%, clear, colorless to light yellow
form  powder to crystal
color  White to Gray to Brown
PH 6.9 (500g/l, H2O, 20℃)
Water Solubility  Soluble in water( 663 g/L at 20°C).
Sensitive  Hygroscopic
BRN  4170805
InChI 1S/C6H6O6S2.2Na/c7-13(8,9)5-2-1-3-6(4-5)14(10,11)12;;/h1-4H,(H,7,8,9)(H,10,11,12);;/q;2*+1/p-2
InChIKey XWPWZOJBTOJEGW-UHFFFAOYSA-L
SMILES [Na+].[Na+].[O-]S(=O)(=O)c1cccc(c1)S([O-])(=O)=O
LogP -1.901 at 25℃
CAS DataBase Reference 831-59-4(CAS DataBase Reference)
EPA Substance Registry System 1,3-Benzenedisulfonic acid, disodium salt (831-59-4)

Safety Data

Hazard Codes  Xi,Xn
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
WGK Germany  1
Hazard Note  Irritant
TSCA  Yes
HS Code  2904 10 00
REACH Registrations Active
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

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