2,4-二巯基嘧啶
2,4-二巯基嘧啶名称
[ CAS 号 ]:
2001-93-6
[ 中文名 ]:
二硫代脲
[ 英文名 ]:
2,4-dithiouracil
[中文别名 ]:
[英文别名 ]:
- 2,4-dithio-uraci
- pyrimidine-2,4-dithione
- Pyrimidine-2,4(1H,3H)-dithione
- 2,4-pyrimidinedithiol
- Uracil,2,4-dithio
- 2,4-dithiouracil
- 2,4-Dithiopyrimidine
- EINECS 217-894-5
- pyrimidine-2,4-dithiol
- Dithiopyrimidine
2,4-二巯基嘧啶物理化学性质
[ 密度 ]:
1.5±0.1 g/cm3
[ 沸点 ]:
225.6±23.0 °C at 760 mmHg
[ 熔点 ]:
279-281 °C (dec.)(lit.)
[ 分子式 ]:
C4H4N2S2
[ 分子量 ]:
144.218
[ 闪点 ]:
90.3±22.6 °C
[ 精确质量 ]:
143.981583
[ PSA ]:
95.76000
[ LogP ]:
0.30
[ 蒸汽压 ]:
0.1±0.4 mmHg at 25°C
[ 折射率 ]:
1.776
[ 储存条件 ]:
Store Cold
2,4-二巯基嘧啶MSDS
2,4-二巯基嘧啶毒性和生态
CHEMICAL IDENTIFICATION
- RTECS NUMBER :
- YR0175000
- CHEMICAL NAME :
- Uracil, 2,4-dithio-
- CAS REGISTRY NUMBER :
- 2001-93-6
- LAST UPDATED :
- 199504
- DATA ITEMS CITED :
- 2
- MOLECULAR FORMULA :
- C4-H4-N2-S2
- MOLECULAR WEIGHT :
- 144.22
- WISWESSER LINE NOTATION :
- T6MYMYJ BUS DUS
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intraperitoneal
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 250 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD277-689 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X1634 No. of Facilities: 201 (estimated) No. of Industries: 5 No. of Occupations: 7 No. of Employees: 743 (estimated) No. of Female Employees: 260 (estimated)
2,4-二巯基嘧啶安全信息
[ 危害码 (欧洲) ]:
Xi: Irritant;
[ 安全声明 (欧洲) ]:
S24/25
[ 危险品运输编码 ]:
NONH for all modes of transport
[ WGK德国 ]:
3
[ RTECS号 ]:
YR0175000
[ 海关编码 ]:
2933599090
2,4-二巯基嘧啶合成路线
2,4-二巯基嘧啶海关
[ 海关编码 ]: 2933599090
[ 中文概述 ]:
2933599090. 其他结构上有嘧啶环的化合物(包括其他结构上有哌嗪环的化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
[ 申报要素 ]: 品名, 成分含量, 用途, 乌洛托品请注明外观, 6-己内酰胺请注明外观, 签约日期
[ Summary ]:
2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%
2,4-二巯基嘧啶文献
J. Chem. Phys. 134(7) , 074304, (2011)
We report the photoelectron spectra of the negative ions of 4-thiouracil (4-TU)(-) and 2,4-dithiouracil (2,4-DTU)(-). Both of these spectra are indicative of valence anions, and they are each dominate...
Electron propagator and coupled-cluster calculations on the photoelectron spectra of thiouracil and dithiouracil anions.J. Chem. Phys. 134(7) , 074305, (2011)
Electron affinities, vertical electron detachment energies, and isomerization energies of 4-thiouracil, 2-thiouracil, and 2,4-dithiouracil and their valence anions have been calculated with ab initio ...
Photochemistry and electrochemistry of anticancer uracils.J. Photochem. Photobiol. B, Biol. 117 , 269-77, (2012)
The redox mechanism and electronic absorption behavior of a commercial anticancer drug, 5-fluorouracil (5-FU) and two potential anticancer drugs, 2-thiouracil (2-TU) and dithiouracil (DTU) have been i...
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标题:2,4-二巯基嘧啶_MSDS_密度_熔点_CAS号【2001-93-6】_化源网 地址:https://www.chemsrc.com/amp/cas/2001-93-6_502952.html