16738-19-5

• 常用中文名：2,5-二甲基苯基硫脲
• 常用英文名：(2,4-DIOXO-3,4-DIHYDROQUINAZOLIN-1(2H)-YL)ACETICACID
• CAS号：16738-19-5
• 分子式：C₉H₁₂N₂S
• 分子量：180.27000
• 发布时间：2018-03-30 08:00:00
• 更新时间：2024-01-10 12:01:38

名称

• 中文名: (2,5-二甲基苯基)硫脲
• 英文名: (2,5-dimethylphenyl)thiourea
• 英文别名: Urea,2-thio-1-(2,5-xylyl); 1-(2,5-dimethylphenyl)-2-thiourea; N-(2,5-Dimethylphenyl)-thioharnstoff; (2,5-Dimethyl-phenyl)-thioharnstoff; (2,5-Xylyl) thiourea; 2-Thio-1-(2,5-xylyl)urea; (2,5-Dimethyl-phenyl)-thiourea

物化性质

• 密度: 1.2g/cm3
• 沸点: 288.2ºC at 760mmHg
• 熔点: 135℃
• 分子式: C₉H₁₂N₂S
• 分子量: 180.27000
• 闪点: 128.1ºC
• 精确质量: 180.07200
• PSA: 70.14000
• LogP: 2.73220
• 蒸汽压: 0.00237mmHg at 25°C
• 折射率: 1.674
• 储存条件: 2-8℃，密闭，干燥

MSDS

Material Safety Data Sheet Section1. Identification of the substance Product Name: (2,5-Dimethyl-phenyl)-thiourea Synonyms: Section2. Hazards identification Harmful by inhalation, in contact with skin, and if swallowed. Section3. Composition/information on ingredients. Ingredient name:(2,5-Dimethyl-phenyl)-thiourea CAS number:16738-19-5 Section4. First aid measures Skin contact:Immediately wash skin with copious amounts of water for at least 15 minutes while removing contaminated clothing and shoes. If irritation persists, seek medical attention. Eye contact:Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical attention. Inhalation:Remove to fresh air. In severe cases or if symptoms persist, seek medical attention. Ingestion:Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention. Section5. Fire fighting measures In the event of a fire involving this material, alone or in combination with other materials, use dry powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus should be worn. Section6. Accidental release measures Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national standards. Respiratory precaution:Wear approved mask/respirator Hand precaution:Wear suitable gloves/gauntlets Skin protection:Wear suitable protective clothing Eye protection:Wear suitable eye protection Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container for disposal. See section 12. Environmental precautions: Do not allow material to enter drains or water courses. Section7. Handling and storage Handling:This product should be handled only by, or under the close supervision of, those properly qualified in the handling and use of potentially hazardous chemicals, who should take into account the fire, health and chemical hazard data given on this sheet. Store in closed vessels. Storage: Section8. Exposure Controls / Personal protection Engineering Controls: Use only in a chemical fume hood. Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles. General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse. Section9. Physical and chemical properties Appearance:Not specified Boiling point:No data No data Melting point: Flash point:No data Density:No data Molecular formula:C9H12N2S Molecular weight:180.3 Section10. Stability and reactivity Conditions to avoid: Heat, flames and sparks. Materials to avoid: Oxidizing agents. Possible hazardous combustion products: Carbon monoxide, nitrogen oxides, sulfur oxides. Section11. Toxicological information No data. Section12. Ecological information No data. Section13. Disposal consideration Arrange disposal as special waste, by licensed disposal company, in consultation with local waste disposal authority, in accordance with national and regional regulations. Section14. Transportation information Non-harzardous for air and ground transportation. Section15. Regulatory information No chemicals in this material are subject to the reporting requirements of SARA Title III, Section 302, or have known CAS numbers that exceed the threshold reporting levels established by SARA Title III, Section 313. SECTION 16 - ADDITIONAL INFORMATION N/A

毒性和生态

CHEMICAL IDENTIFICATION RTECS NUMBER : YU3850000 CHEMICAL NAME : Urea, 2-thio-1-(2,5-xylyl)- CAS REGISTRY NUMBER : 16738-19-5 BEILSTEIN REFERENCE NO. : 2092332 LAST UPDATED : 199612 DATA ITEMS CITED : 1 MOLECULAR FORMULA : C9-H12-N2-S MOLECULAR WEIGHT : 180.29 WISWESSER LINE NOTATION : SUYZMR B1 E1 HEALTH HAZARD DATA ACUTE TOXICITY DATA TYPE OF TEST : LDLo - Lowest published lethal dose ROUTE OF EXPOSURE : Oral SPECIES OBSERVED : Rodent - rat DOSE/DURATION : 50 mg/kg TOXIC EFFECTS : Details of toxic effects not reported other than lethal dose value REFERENCE : NCNSA6 National Academy of Sciences, National Research Council, Chemical-Biological Coordination Center, Review. (Washington, DC) Volume(issue)/page/year: 5,46,1953

合成路线

19241-15-7 ~% 16738-19-5

文献：Dyson; George Journal of the Chemical Society, 1924 , vol. 125, p. 1704 Full Text Show Details Dyson; Hunter Journal of the Society of Chemical Industry, London, 1926 , vol. 45, p. 84 T Chem. Zentralbl., 1926 , vol. 97, # I p. 3139 Full Text Show Details Dains et al. Journal of the American Chemical Society, 1925 , vol. 47, p. 1983 Journal of the American Chemical Society, 1922 , vol. 44, p. 2639

57206-69-6 ~% 16738-19-5

文献：Dains et al. Journal of the American Chemical Society, 1925 , vol. 47, p. 1983 Journal of the American Chemical Society, 1922 , vol. 44, p. 2639

95-78-3 1147550-11-5 ~% 16738-19-5

文献：Pascal; Pinhas; Laure; Dumez; Poizot European Journal of Medicinal Chemistry, 1990 , vol. 25, # 1 p. 81 - 85

95-78-3 ~% 16738-19-5

文献：Dyson; George Journal of the Chemical Society, 1924 , vol. 125, p. 1704

95-78-3 532-55-8 ~% 16738-19-5

文献：Kajino; Mizuno; Tawada; Shibouta; Nishikawa; Meguro Chemical and Pharmaceutical Bulletin, 1991 , vol. 39, # 11 p. 2888 - 2895

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