4,4'-Diamino-2,2'-stilbenedisulfonic acid
Product Information
Molecular Formula
C14H14N2O6S2
Molecular Weight
370.40
Description
4,4'-Diamino-2,2'-stilbenedisulfonic acid (CAS# 81-11-8) is a useful research chemical.
Synonyms
5-amino-2-[(E)-2-(4-amino-2-sulfophenyl)ethenyl]benzenesulfonic acid
IUPAC Name
5-amino-2-[(E)-2-(4-amino-2-sulfophenyl)ethenyl]benzenesulfonic acid
SMILES
C1=CC(=C(C=C1N)S(=O)(=O)O)C=CC2=C(C=C(C=C2)N)S(=O)(=O)O
InChI
InChI=1S/C14H14N2O6S2/c15-11-5-3-9(13(7-11)23(17,18)19)1-2-10-4-6-12(16)8-14(10)24(20,21)22/h1-8H,15-16H2,(H,17,18,19)(H,20,21,22)/b2-1+
InChI Key
REJHVSOVQBJEBF-OWOJBTEDSA-N
Melting Point
>325 °C
Purity
95 %
Density
1.662 g/cm3
Solubility
less than 1 mg/mL at 73 °F
Appearance
Odorless yellowish microscopic needles or cream-colored powder. ph approximately 4.3 at 30 g/l water (suspension).
Application
Used as a chemical intermediate for dyes, bleaching agents, and fluorescent brighteners.
Storage
-20 °C Freezer
Refractive Index
1.6510 (estimate)
Stability
Stable. Combustible. Incompatible with iron, strong oxidizing agents.
LogP
4.83880
Safety Information
Hazards
H315:
Causes skin irritation.
H319:
Causes serious eye irritation.
Causes skin irritation.
H319:
Causes serious eye irritation.
Precautionary Statement
P264, P270, P273, P301+P312, P330, and P501
Signal Word
Warning
Computed Properties
XLogP3
0.3
Hydrogen Bond Donor Count
4
Hydrogen Bond Acceptor Count
8
Rotatable Bond Count
4
Exact Mass
370.02932852 g/mol
Monoisotopic Mass
370.02932852 g/mol
Topological Polar Surface Area
178Ų
Heavy Atom Count
24
Formal Charge
0
Complexity
606
Isotope Atom Count
0
Defined Atom Stereocenter Count
0
Undefined Atom Stereocenter Count
0
Defined Bond Stereocenter Count
1
Undefined Bond Stereocenter Count
0
Covalently-Bonded Unit Count
1
Compound Is Canonicalized
Yes
Patents
| Publication Number | Title | Priority Date |
|---|---|---|
| CN-114058079-A | Asphalt light stabilizer with strong ultraviolet absorption function and preparation method thereof | 2021-12-23 |
| CN-114011430-A | Catalyst for synthesizing DSD acid and preparation method and application thereof | 2021-12-10 |
| CN-114058137-A | Weather-resistant antistatic transparent PVC/PMMA alloy material and preparation method thereof | 2021-11-18 |
| CN-113860522-A | Phosphorus-free fluorescent scale and corrosion inhibitor and preparation method thereof | 2021-11-08 |
| CN-113480442-A | Cross-linkable diamine monomer, preparation method and application thereof in preparation of polyimide | 2021-08-20 |
| CN-113426496-A | Preparation method of composite cation exchange membrane | 2021-07-15 |
| CN-113514409-A | Tooth implantation system micro-leakage testing method | 2021-06-29 |
| CN-112661711-A | Tetrasulfonic acid liquid fluorescent whitening agent and preparation method thereof | 2021-01-11 |
| CN-112280025-A | High-stability quantum dot hybrid nanostructure, QLED device and preparation method thereof | 2020-12-30 |
| CN-112280025-B | High-stability quantum dot hybrid nanostructure, QLED device and preparation method thereof | 2020-12-30 |
Literatures
| PMID | Publication Date | Title | Journal |
|---|---|---|---|
| 17937621 | 2007-10-01 | Glutathione- and thioredoxin-related enzymes are modulated by sulfur-containing chemopreventive agents | Biological chemistry |
| 16023131 | 2006-01-15 | Silica coating and photochemical properties of layered double hydroxide/4,4'-diaminostilbene-2,2'-disulfonic acid nanocomposite | Journal of colloid and interface science |
| 11855182 | 2001-11-01 | [Extraction and stripping of H acid and DSD acid wastewater] | Huan jing ke xue= Huanjing kexue |
| 11337859 | 2001-06-01 | Application of ferrous hydrogen peroxide for treatment of DSD-acid manufacturing process wastewater | Water research |
| 11051603 | 2000-01-01 | Disulfonic stilbene prevents selenite-induced cataract in rat pup lens | Biological trace element research |
| 10387099 | 1999-06-29 | AE2 anion exchanger polypeptide is a homooligomer in pig gastric membranes: a chemical cross-linking study | Biochemistry |
