PHENYLTHIOCARBAMIDE GRADE II
Phenylthiourea
CAS: 103-85-5
Molecular Formula: C7H8N2S
PHENYLTHIOCARBAMIDE GRADE II - Names and Identifiers
| Name | Phenylthiourea |
| Synonyms | PTC phenyl-thioure Phenylthiourea PHENYLTHIOUREA N-PHENYLTHIOUREA PHENYL-2-THIOUREA 1-Phenyl-2-Thiourea PHENYLTHIOCARBAMIDE PHENYLTHIOCARBAMIDE GRADE II N-PHENYLTHIOUREA PESTANAL, 250 MG |
| CAS | 103-85-5 |
| EINECS | 203-151-2 |
| InChI | InChI=1/C7H8N2S/c8-7(10)9-6-4-2-1-3-5-6/h1-5H,(H3,8,9,10) |
PHENYLTHIOCARBAMIDE GRADE II - Physico-chemical Properties
| Molecular Formula | C7H8N2S |
| Molar Mass | 152.22 |
| Density | 1.3 |
| Melting Point | 145-150°C(lit.) |
| Boling Point | 266.7±23.0 °C(Predicted) |
| Flash Point | 115.1°C |
| Water Solubility | Soluble in hot water and alcohol. |
| Solubility | Soluble in alcohol |
| Vapor Presure | 0.00852mmHg at 25°C |
| Appearance | White crystal |
| Color | Off-white to beige |
| Merck | 14,7315 |
| BRN | 907309 |
| pKa | 13.12±0.70(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Room temperature |
| Stability | Stable. Incompatible with strong acids, strong oxidizing agents, strong bases. |
| Sensitive | Easily absorbing moisture |
| Refractive Index | 1.5500 (estimate) |
| MDL | MFCD00004933 |
| Physical and Chemical Properties | White needle-like crystals. Melting point 154 °c. Soluble in ethanol, soluble in 400 parts of cold water, 17 parts of hot water. Slightly bitter. |
PHENYLTHIOCARBAMIDE GRADE II - Risk and Safety
| Hazard Symbols | T+ - Very toxic |
| Risk Codes | R28 - Very Toxic if swallowed R43 - May cause sensitization by skin contact |
| Safety Description | S28 - After contact with skin, wash immediately with plenty of soap-suds. S36/37 - Wear suitable protective clothing and gloves. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) |
| UN IDs | UN 2811 6.1/PG 1 |
| WGK Germany | 3 |
| RTECS | YU1400000 |
| TSCA | Yes |
| HS Code | 29309090 |
| Hazard Class | 6.1 |
| Packing Group | I |
| Toxicity | LD50 in rats, rabbits (mg/kg): 3, 40 orally (Scheline) |
PHENYLTHIOCARBAMIDE GRADE II - Reference
| Reference Show more | 1. Xu Xin, Zhou Qiming, Zhang Yongjun, et al. Cloning and RT-qPCR detection of ApDHAR gene [J]. Northern sericulture 2019 40(01):17-20. 2. Xu Xin, Liu Zhongwen, Bu Liming, et al. Effects of intraluminal injection of vitamin C into 5th instar silkworm larvae on related metabolism [C]// cnki. cnki, 2019:17-20. 3. Xu Xin, Liu Chinese, zhou Qiming, et al. Effects of vitamin C addition on 4th instar tussah larvae [J]. Northern Sericulture, 2018, 000(003):36-38,55. 4. Zhao Zhao, Xia Ju, Tao Lidan, Xiao Huan, Xu Shui, Zhu Yong. Effects of Heavy Metal Cadmium on Growth and Development of Silkworm and Activities of Peroxidase and Acetylcholinesterase in Body [A]. Chinese Silkworm Society, National Silkworm Industry Technology System. Proceedings of the 12th Symposium on Genetics and Breeding of Silkworm and Breeding of Improved Varieties (Abstract Compilation)[C]. China Silkworm Society, National Silkworm Industry Technology System: China Silkworm Society, 2016:1. 5. [IF = 2.795] Yue Xiao et al."Berberine activates bitter taste responses of enteroendocrine STC-1 cells." Mol Cell Biochem. 2018 Oct;447(1):21-32 6. [IF = 5.81] Jiye Wang et al."Development of a Multi-Target Strategy for the Treatment of Vitiligo via Machine Learning and Network Analysis Methods." Front Pharmacol. 2021; 12: 754175 |
PHENYLTHIOCARBAMIDE GRADE II - Nature
Open Data Verified Data
White needle-like crystal, slightly bitter. Melting point 154 °c. Soluble in 400 parts of cold water, 17 parts of hot water, soluble in ethanol.
Last Update：2024-01-02 23:10:35
PHENYLTHIOCARBAMIDE GRADE II - Preparation Method
Open Data Verified Data
- sodium thiocyanate method from aniline first with sulfuric acid salt, then with sodium thiocyanate addition reaction. The yield of the product was 93% ~ 97%.
- diphenyl thiourea method: phenylthiourea is prepared by the interaction of aniline and carbon disulfide, and then obtained by acidification and amination.
Last Update：2022-01-01 10:56:07
PHENYLTHIOCARBAMIDE GRADE II - Application
Open Data Verified Data
This product is used for the production of 2 amino benzothiazole, 3 amino benzothiazole hydrazone and other dye intermediates, can also be used as analytical reagents.
Last Update：2025-08-19 16:24:40
PHENYLTHIOCARBAMIDE GRADE II - Safety
Open Data Verified Data
- ingestion, inhalation, contact and absorption into the eyes and skin will cause harm. Wear appropriate protective clothing to avoid skin and eye contact. The product combustion to produce irritant, corrosive and (or) toxic gases.
- store in a cool, ventilated place in a closed container. Transport must be labeled "drugs", Air, Rail Limited transport.
Last Update：2025-06-10 22:55:16
PHENYLTHIOCARBAMIDE GRADE II - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | verification of copper, gold, mercury, palladium, platinum and silver. Standard substances for the determination of nitrogen and sulfur by organic microanalysis. It is used to produce dye intermediates such as 2-aminobenzothiazole and 3-methylbenzothiazole hydrazone. It is also used as an analytical reagent. |
| Production method | It is obtained by the addition reaction of aniline first with sulfuric acid to salt, and then with sodium thiocyanide. |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 18:58:34
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