Conditions | Yield |
---|---|
In water in acidic soln.; drying at 120°C; |
The Benzenesulfonic acid,2,2'-(1,2-ethenediyl)bis[5-[2-(4-hydroxyphenyl)diazenyl]-, sodium salt (1:2), with the CAS registry number 3051-11-4, is also known as 2,2'-(1,2-Ethenediyl)bis[5-[(4-hydroxyphenyl)azo]-benzenesulfonicacidisodium. Its EINECS number is 221-267-1. It belongs to the product categories of Intermediates of Dyes and Pigments; Organics; Stilbenes. This chemical's molecular formula is C26H20N4Na2O8S2 and molecular weight is 624.55. What's more, its systematic name is [5-(4-Hydroxyphenyl)azo-2-[2-[4-(4-hydroxyphenyl)azo-2-sodiooxysulfonyl-phenyl]vinyl]phenyl]sulfonyloxysodium.
Physical properties of Benzenesulfonic acid,2,2'-(1,2-ethenediyl)bis[5-[2-(4-hydroxyphenyl)diazenyl]-, sodium salt (1:2) are: (1)#H bond acceptors: 12; (2)#H bond donors: 2; (3)#Freely Rotating Bonds: 14; (4)Polar Surface Area: 193.4 Å2.
When you are using this chemical, please be cautious about it as the following:
It will turn to reddish violet when in contact with concentrated sulfuric acid and purple in contact with diluted sulfuric acid. What's more, it will turn dark brown when in contact with concentrated nitric acid. So it should be sealed and stored in cool and dry places. When using it, you can't breathe dust. Also, you should keep it away from sources of ignition - No smoking.
You can still convert the following datas into molecular structure:
(1)Canonical SMILES: C1=CC(=O)C=CC1=NNC2=CC(=C(C=C2)C=CC3=C(C=C(C=C3)NN=C4C=CC(=O)C=C4)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
(2)InChI: InChI=1S/C26H20N4O8S2.2Na/c31-23-11-7-19(8-12-23)27-29-21-5-3-17(25(15-21)39(33,34)35)1-2-18-4-6-22(16-26(18)40(36,37)38)30-28-20-9-13-24(32)14-10-20;;/h1-16,29-30H,(H,33,34,35)(H,36,37,38);;/q;2*+1/p-2/b2-1+;;
(3)InChIKey: RDJCIKZLXHKBPH-SEPHDYHBSA-L
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