Reported in EPA TSCA Inventory.

The IUPAC name of 4,4'-Dinitro-2,2'-stilbenedisulfonic acid is 5-nitro-2-[(E)-2-(4-nitro-2-sulfophenyl)ethenyl]benzenesulfonic acid. With the CAS registry number 128-42-7, it is also named as Kyselina 4,4'-dinitrostilben-2,2'-disulfonova. When heated to decomposition it emits very toxic fumes of NO_x and SO_x. In addition, this chemical is used as intermediates of dyes and pigments. And it is also used in the production of DSD acid. Furthermore, 4,4'-Dinitro-2,2'-stilbenedisulfonic acid should be sealed in the container and stored in the cool and dry place.

The other characteristics of this product can be summarized as: (1)ACD/LogP: 1.88; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): -2.62; (4)ACD/LogD (pH 7.4): -2.62; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 12; (10)#Freely Rotating Bonds: 6; (11)Index of Refraction: 1.699; (12)Molar Refractivity: 93.39 cm³; (13)Molar Volume: 241.8 cm³; (14)Polarizability: 37.02×10^-24 cm³; (15)Surface Tension: 92 dyne/cm; (16)Rotatable Bond Count: 4; (17)Exact Mass: 429.977686; (18)MonoIsotopic Mass: 429.977686; (19)Topological Polar Surface Area: 217; (20)Heavy Atom Count: 28; (21)Complexity: 761.

People can use the following data to convert to the molecule structure.
1. SMILES:O=S(=O)(O)c2cc(ccc2\C=C\c1ccc([N+]([O-])=O)cc1S(=O)(=O)O)[N+]([O-])=O
2. InChI:InChI=1/C14H10N2O10S2/c17-15(18)11-5-3-9(13(7-11)27(21,22)23)1-2-10-4-6-12(16(19)20)8-14(10)28(24,25)26/h1-8H,(H,21,22,23)(H,24,25,26)/b2-1+

The following are the toxicity data which has been tested.