1,3-Diphenyl-2-thiourea
- CAS No.
- 102-08-9
- Chemical Name:
- 1,3-Diphenyl-2-thiourea
- Synonyms
- DFT;DPTU;Activit;noccelerc;N,N´Anchoracel;Nocceler C;usafek-245;vulkacitca;rhenocureca
- CBNumber:
- CB9324569
- Molecular Formula:
- C13H12N2S
- Molecular Weight:
- 228.31
- MOL File:
- 102-08-9.mol
- MSDS File:
- SDS
- Modify Date:
- 2024/8/19 17:35:41
| Melting point | 152-155 °C(lit.) |
|---|---|
| Boiling point | 50℃ |
| Density | 1.32 |
| vapor pressure | 0.001Pa at 25℃ |
| refractive index | 1.5700 (estimate) |
| storage temp. | Store below +30°C. |
| pka | 12.68±0.70(Predicted) |
| form | Crystalline Powder |
| color | White to pale yellow |
| Water Solubility | <0.01 g/100 mL at 19 ºC |
| Merck | 14,3333 |
| BRN | 644277 |
| Stability | Stable. Combustible. Incompatible with strong oxidizing agents. |
| InChIKey | FCSHMCFRCYZTRQ-UHFFFAOYSA-N |
| LogP | 3.6 |
| CAS DataBase Reference | 102-08-9(CAS DataBase Reference) |
| NIST Chemistry Reference | Thiourea, n,n'-diphenyl-(102-08-9) |
| EPA Substance Registry System | Diphenylthiourea (102-08-9) |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |    GHS07,GHS08,GHS09 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H317-H361d-H373-H411 | |||||||||
| Precautionary statements | P201-P202-P273-P280-P302+P352-P308+P313 | |||||||||
| Hazard Codes | T | |||||||||
| Risk Statements | 25 | |||||||||
| Safety Statements | 36/37/39-45-24/25 | |||||||||
| RIDADR | UN 2811 6.1/PG 2 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | FE1225000 | |||||||||
| TSCA | Yes | |||||||||
| HazardClass | 6.1 | |||||||||
| PackingGroup | II | |||||||||
| HS Code | 29309070 | |||||||||
| Toxicity | MLD orally in rabbits: 1.5 g/kg (Hanzlik, Irvine) | |||||||||
| NFPA 704 |
|
1,3-Diphenyl-2-thiourea price More Price(7)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich(India) | T28355 | N,N′-Diphenylthiourea 98% | 102-08-9 | 25G | ₹2305.73 | 2022-06-14 | Buy |
| TCI Chemicals (India) | T0197 | N,N'-Diphenylthiourea | 102-08-9 | 25G | ₹2000 | 2022-05-26 | Buy |
| TCI Chemicals (India) | T0197 | N,N'-Diphenylthiourea | 102-08-9 | 500G | ₹6600 | 2022-05-26 | Buy |
| ottokemi | D 2341 | Diphenylthiourea 98% | 102-08-9 | 100gm | ₹1305 | 2022-05-26 | Buy |
| ottokemi | D 2341 | Diphenylthiourea 98% | 102-08-9 | 500gm | ₹4959 | 2022-05-26 | Buy |
1,3-Diphenyl-2-thiourea Chemical Properties,Uses,Production
Description
Diphenylthiourea is a rubber chemical used as an accelerator and stabilizer in neopren.
Chemical Properties
white powder
Uses
Vulcanizing accelerator; sulfur dyes.
General Description
White to off-white powder.
Air & Water Reactions
Insoluble in water.
Reactivity Profile
An organosulfide amide. Organosulfides are incompatible with acids, diazo and azo compounds, halocarbons, isocyanates, aldehydes, alkali metals, nitrides, hydrides, and other strong reducing agents. Reactions with these materials generate heat and in many cases hydrogen gas. Many of these compounds may liberate hydrogen sulfide upon decomposition or reaction with an acid. Organic amides/imides react with azo and diazo compounds to generate toxic gases. Flammable gases are formed by the reaction of organic amides/imides with strong reducing agents. Amides are very weak bases (weaker than water). Imides are less basic yet and in fact react with strong bases to form salts. That is, they can react as acids. Mixing amides with dehydrating agents such as P2O5 or SOCl2 generates the corresponding nitrile. The combustion of these compounds generates mixed oxides of nitrogen (NOx).
Health Hazard
ACUTE/CHRONIC HAZARDS: When heated to decomposition 1,3-Diphenyl-2-thiourea emits highly toxic fumes.
Fire Hazard
Flash point data for 1,3-Diphenyl-2-thiourea are not available. 1,3-Diphenyl-2-thiourea is probably combustible.
Industrial uses
Thiocarbanilide (diphenyl thiourea) is a crystalline compound, only marginally soluble
in water. In solution, it can assume a tautomeric form, typical of thiocarbanilide.
The first tautomer has acidic characteristics. The hydrogen can easily react with cations from
the mineral surface and therefore can act as a collector. The second form (II) does not have
collecting properties. Thiocarbanilide is a very effective and selective collector for galena.
Diphenylthiocarbazide (C6H5–NH–NH)2–C=S. This collector also appears in two forms;
in the active form the hydrogen is connected to sulfur. This reagent can be both anionic
and cationic. This collector can be utilized for flotation of nickel and cobalt minerals after
treatment of the pulp with copper sulfate.
Contact allergens
It is a rubber chemical used as an accelerator and stabilizing agent in neoprene
Safety Profile
Moderately toxic by ingestion and intraperitoneal routes. Experimental reproductive effects. When heated to decomposition it emits highly toxic fumes of SOx, and NOx,.
Purification Methods
Crystallise the thiourea from boiling EtOH by adding hot water and allowing to cool. [Beilstein 12 H 394, 12 IV 810.]
1,3-Diphenyl-2-thiourea Preparation Products And Raw materials
Raw materials
Preparation Products
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