ChemicalBook > CAS DataBase List > 4,4'-DIPYRIDYL DISULFIDE

4,4'-DIPYRIDYL DISULFIDE

Product Name
4,4'-DIPYRIDYL DISULFIDE
CAS No.
2645-22-9
Chemical Name
4,4'-DIPYRIDYL DISULFIDE
Synonyms
DTDP;1,2-DI(PYRIDIN-4-YL)DISULFANE;4-Pds;DK7466;-4;Aldrithol-4;Aldrithiol 4;ALDRITHIOL(TM)-4;4-Pyridyl disulfide;4,4'-Dithiopyridine
CBNumber
CB3285109
Molecular Formula
C10H8N2S2
Formula Weight
220.31
MOL File
2645-22-9.mol
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4,4'-DIPYRIDYL DISULFIDE Property

Melting point:
76-78 °C(lit.)
Boiling point:
356.1±17.0 °C(Predicted)
Density 
1.3078 (rough estimate)
refractive index 
1.5500 (estimate)
storage temp. 
2-8°C
solubility 
95% ethanol: soluble5%, clear, colorless to light yellow
form 
Crystalline Powder
pka
3.60±0.26(Predicted)
color 
White to orange
BRN 
154742
InChIKey
UHBAPGWWRFVTFS-UHFFFAOYSA-N
CAS DataBase Reference
2645-22-9(CAS DataBase Reference)
NIST Chemistry Reference
Pyridine, 4,4'-dithiobis-(2645-22-9)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36-24/25
WGK Germany 
3
HS Code 
29333990
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
143057
Product name
Aldrithiol?-4
Purity
98%
Packaging
1g
Price
$77.2
Updated
2024/03/01
Sigma-Aldrich
Product number
143057
Product name
Aldrithiol?-4
Purity
98%
Packaging
5g
Price
$210
Updated
2024/03/01
TCI Chemical
Product number
D2477
Product name
4,4'-Dipyridyl Disulfide
Purity
>97.0%(GC)(T)
Packaging
5g
Price
$138
Updated
2024/03/01
TCI Chemical
Product number
D2477
Product name
4,4'-Dipyridyl Disulfide
Purity
>97.0%(GC)(T)
Packaging
25g
Price
$442
Updated
2024/03/01
Alfa Aesar
Product number
B24023
Product name
4,4'-Dipyridyl disulfide
Purity
98%
Packaging
1g
Price
$34.3
Updated
2021/12/16
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4,4'-DIPYRIDYL DISULFIDE Chemical Properties,Usage,Production

Chemical Properties

white to orange crystalline powder

Uses

  • Aldrithiol?-4 was used as cosubstrate in a study to develop highly specific inhibitors against mannose-binding lectin-associated serine proteases by in vitro evolution technology:phage display.
  • It was used to study the O2 equilibria of recombinant human neuroglobin and cytoglobin measured under close to physiological conditions.
  • It was used to modify gold surfaces for protein studies.

Definition

ChEBI: An organic disulfide obtained by formal oxidative dimerisation of 4-thiopyridine.

Purification Methods

Recrystallise the disulfide from H2O, EtOH, Me2CO, *C6H6 or pet ether. It has been used as a 1mM solution in EtOH for the spectrophotometric estimation of thiols. Essentially the thiol displaces half the disulfide molecule liberating the 4-mercaptopyridine (4-pyridinethiol) anion, thereby shifting the max from 324nm (of the disulfide) to 285nm (of the anion) at pH 9. (Compare with 2,2’dipyridyl disulfide above which has been used for the same purpose.) [Humphrey et al. Anal Chem 40 698 1970, Cheng & Ritchie Aust J Chem 26 1785 1973.] [Beilstein 21 II 35, for review see Aldrichimica Acta 4 33 1971.]

4,4'-DIPYRIDYL DISULFIDE Preparation Products And Raw materials

Raw materials

Preparation Products

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4,4'-DIPYRIDYL DISULFIDE Suppliers

Americas 1 Austria 1 Belgium 1 China 130 Europe 3 Germany 3 India 4 Japan 4 Switzerland 1 United Kingdom 11 United States 20 Global 179
TCI AMERICA
Tel
800-4238616
Fax
+1-888-520-1075 / +1-503-283-1987
Email
sales@tciamerica.com
Country
Americas
ProdList
23662
Advantage
75
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View Lastest Price from 4,4'-DIPYRIDYL DISULFIDE manufacturers

Dideu Industries Group Limited
Product
4,4'-DIPYRIDYL DISULFIDE 2645-22-9
Price
US $1.10/g
Min. Order
1g
Purity
99.00%
Supply Ability
100 Tons Min
Release date
2021-10-27
Hebei shuoxi biotechnology co. LTD
Product
4,4'-dipyridyl disulfide 2645-22-9
Price
US $90.00/g
Min. Order
10g
Purity
99.8%
Supply Ability
10tons
Release date
2020-04-26
Career Henan Chemical Co
Product
4,4'-DIPYRIDYL DISULFIDE 2645-22-9
Price
US $8.00/kg
Min. Order
1kg
Purity
98%
Supply Ability
10MT
Release date
2018-12-16

2645-22-9, 4,4'-DIPYRIDYL DISULFIDERelated Search:

S-Methyl methanethiolsulfonate 4,4'-Bipyridine Dimethyl disulfide 4-Mercaptopyridine 4,4'-DIPYRIDYL DISULFIDE 2,2'-Dithiodipyridine 3,3'-dipyridyl disulfide

  • DTDP
  • 4-(4-Pyridinyldisulfanyl)pyridine
  • 4,4'-Dipyridine disulfide
  • 4,4'-Dithiopyridine
  • 4-Pyridyl disulfide
  • Aldrithiol 4
  • Aldrithol-4
  • Bis(4-pyridyl) disulfide
  • Di(4-pyridyl) disulfide
  • Pyridine, 4,4'-dithiodi-
  • ALDRITHIOL(TM)-4
  • 4,4'-DITHIODIPYRIDINE
  • 4,4'-DIPYRIDYL DISULFIDE
  • 4,4'-DIPYRIDYL DISULPHIDE
  • 4-Pds
  • 4,4Dipyridyldisulfide-(4,4dithiodipyridine)
  • 4,4'-Dipyridyldisulfide,98%
  • 4,4''-DIPYRIDYL DISULFIDE 97+%
  • 1,2-DI(PYRIDIN-4-YL)DISULFANE
  • 4,6-bis(4-chlorophenyl)-2-[2-(4-morpholinyl)ethyl]-3-pyridazinone
  • 4,4'-Dipyridinyl disulphide
  • 4,4'-Dipyridyl disulphide, 98+%
  • 4,4'-Dithiobis(pyridine)
  • 4,4'-Dithiobispyridine
  • Bis(4-pyridinyl) perdisulfide
  • Bis(4-pyridinyl) persulfide
  • 4,4'-Dithiodipyridine,98%
  • Aldrithiol-4,4,4′-Dipyridyl disulfide, 4,4′-Dithiodipyridine
  • Pyridine,4,4'-dithiobis-
  • 4,4'-Dithiodipyridine SynonyMs 4,4'-Dipyridyl disulfide
  • 4,4'-Dithiodipyridine (4-PDS)
  • 4,4'-DipyridylDisulfide&gt
  • 4,4'-DIPYRIDYL DISULFIDE ISO 9001：2015 REACH
  • 4-(pyridin-4-yldisulfanyl)pyridine
  • DK7466
  • Vonoprazan Impurity 183
  • </SUP>-4
  • Aldrithiol<SUP>&trade
  • 2645-22-9
  • Pyridines
  • Heterocyclic Building Blocks
  • Building Blocks
  • C9 to C46
  • Condensation & Active Esterification
  • Condensation & Active Esterification
  • Synthetic Organic Chemistry
  • Pyridine series