DIPHENYL DISULFIDE
Description Reactions and Uses- Product Name
- DIPHENYL DISULFIDE
- CAS No.
- 882-33-7
- Chemical Name
- DIPHENYL DISULFIDE
- Synonyms
- 1,2-diphenyldisulfane;PHENYL DISULFIDE;FEMA 3225;DIPHENYL DISULPHIDE;Diphenyl disulfide ,99%;usafe-1;USAF e-1;AKOS 94361;Phenyl disulfid;Dithiobisbenzene
- CBNumber
- CB3716625
- Molecular Formula
- C12H10S2
- Formula Weight
- 218.34
- MOL File
- 882-33-7.mol
DIPHENYL DISULFIDE Property
- Melting point:
- 58-60 °C (lit.)
- Boiling point:
- 191-192 °C (15 mmHg)
- Density
- 1.353
- refractive index
- 1,441-1,444
- FEMA
- 3225 | PHENYL DISULFIDE
- Flash point:
- 310°C
- storage temp.
- Sealed in dry,Room Temperature
- solubility
- xylene: soluble3%, clear, colorless to yellow
- form
- Crystalline Solid
- Specific Gravity
- 1.353
- color
- White to off-white
- Odor
- at 0.10 % in propylene glycol. sulfurous earthy burnt
- Odor Type
- sulfurous
- Water Solubility
- Insoluble in water.
- JECFA Number
- 578
- BRN
- 639794
- Stability:
- Stable. Incompatible with strong oxidizing agents, strong bases.
- InChIKey
- GUUVPOWQJOLRAS-UHFFFAOYSA-N
- LogP
- 4.41
- CAS DataBase Reference
- 882-33-7(CAS DataBase Reference)
- NIST Chemistry Reference
- Disulfide, diphenyl(882-33-7)
- EPA Substance Registry System
- Diphenyl disulfide (882-33-7)
Safety
- Hazard Codes
- Xi,N
- Risk Statements
- 36/37/38-50/53
- Safety Statements
- 26-37/39-36-61-60
- RIDADR
- UN 3335
- WGK Germany
- 3
- RTECS
- SS6825000
- F
- 13
- Hazard Note
- Irritant
- TSCA
- T
- HazardClass
- IRRITANT, STENCH
- PackingGroup
- III
- HS Code
- 29093090
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H410Very toxic to aquatic life with long lasting effects
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P273Avoid release to the environment.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P391Collect spillage. Hazardous to the aquatic environment
P501Dispose of contents/container to..…
N-Bromosuccinimide Price
- Product number
- 169021
- Product name
- Phenyl disulfide
- Purity
- 99%
- Packaging
- 10g
- Price
- $27.9
- Updated
- 2024/03/01
- Product number
- 169021
- Product name
- Phenyl disulfide
- Purity
- 99%
- Packaging
- 50g
- Price
- $71.6
- Updated
- 2024/03/01
- Product number
- P0167
- Product name
- Diphenyl Disulfide
- Purity
- >99.0%(GC)
- Packaging
- 25g
- Price
- $26
- Updated
- 2024/03/01
- Product number
- P0167
- Product name
- Diphenyl Disulfide
- Purity
- >99.0%(GC)
- Packaging
- 100g
- Price
- $58
- Updated
- 2024/03/01
- Product number
- A12586
- Product name
- Diphenyl disulfide, 98%
- Packaging
- 50g
- Price
- $43.65
- Updated
- 2024/03/01
DIPHENYL DISULFIDE Chemical Properties,Usage,Production
Description
Diphenyl disulfide is a colorless crystalline material with the formula (C6H5S)2 and often abbreviated Ph2S2. It is most commonly utilized as a reagent for integration of a phenylthio functionality into molecules. The phenylthio group in the compound has a useful function due to the numerous of reaction that it can facilitate in organic chemistry. Phenysulfides, for instance, undergo oxidative elimination, producing alkenes under relatively mild, normal conditions. Also phenyl sulfides can serve as a source of carbon-centered radicals in radical reactions.
Diphenyl disulfide is usually synthesized by the oxidation of thiophenol:
2 PhSH + I2 → Ph2S2 + 2 HI
Reactions and Uses
With Alkenes
Ph2S2 adds cleanly to many dienes and alkenes upon catalysis by BF3.OMe2. The trifluoroacetoxysulfenylation of unsaturated esters, nitriles, amides, and carboxylic acids is possible with Ph2S2.
As a Source of Thiiyl Radicals
In the presence of radical initiators, upon thermolysis or photolysis, thiiyl radicals can be generated from PhSSPh. Therefore, the radicals generated add reversibly to alkynes and alkenes generating vinyl and alkyl radicals respectively (1).
Reduction
Ph2S2 undergoes reduction, which is a characteristic of disulfides. Hydride reagents such as super hydride and sodium borohydride can be used as reductants.
Ph2S2 + 2 M → 2 MSPh (M = Li, Na, K)
Chemical Properties
White to light yellow crystal.
Occurrence
Naturally occurring phytoalexin-like substan
Uses
Diphenyl disulfide is one of the most popular organic disulfides used in organic synthesis. It is used as a reagent for the α-phenylsulfenylation of carbonyl compounds. It participates in hydrothiolation of alkynes via amine-mediated single electron transfer mechanism. It is the hydrolysis product of dyfonate.
Definition
ChEBI: Diphenyl disulfide is a member of benzenes.
Preparation
By heating and passing a stream of air over an ammoniacal solution of thiophenol.
Synthesis Reference(s)
Chemical and Pharmaceutical Bulletin, 35, p. 1770, 1987 DOI: 10.1248/cpb.35.1770
Tetrahedron Letters, 25, p. 703, 1984 DOI: 10.1016/S0040-4039(01)80004-6
Purification Methods
Crystallise the disulfide from MeOH. [Alberti et al. J Am Chem Soc 108 3024 1986]. Also crystallise it repeatedly from hot Et2O, then dry it in a vacuum at 30o over P2O5, fuse it under N2 and re-dry it; the whole procedure being repeated, with a final drying under a vacuum for 24hours. Alternatively, recrystallise it from hexane/EtOH solution. [Burkey & Griller J Am Chem Soc 107 246 1985, Beilstein 6 H 323, 6 IV 1560.]
DIPHENYL DISULFIDE Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from DIPHENYL DISULFIDE manufacturers
- Product
- DIPHENYL DISULFIDE 882-33-7
- Price
- US $100.00-30.00/kg
- Min. Order
- 1kg
- Purity
- 99.93%
- Supply Ability
- 1000kg per week
- Release date
- 2024-04-26
- Product
- DIPHENYL DISULFIDE 882-33-7
- Price
- US $0.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 50000KG/month
- Release date
- 2023-07-27
- Product
- Diphenyl Disulfide 882-33-7
- Price
- US $5.00-2.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 10000kg
- Release date
- 2023-06-06