4,4'-Diamino-2,2'-stilbenedisulfonic acid

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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
Canonical 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 ℃
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 ℃ 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.
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
The molarity calculator equation

Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

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The dilution calculator equation

Concentration (start) × Volume (start) = Concentration (final) × Volume (final)

This equation is commonly abbreviated as: C1V1 = C2V2

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