Analysis of expired air from rats receiving ferbam indicated that the only expired ferbam metabolite was carbon disulfide. Metabolites in urine included inorganic sulfate, a salt of dimethylamine and glucuronide conjugate of dimethyldithiocarbamate.
(35)S and (3)H labeled ferbam were administered to sheep. The (35)S was not eliminated as carbon disulfide. Seventy six hours post treatment, about 12% of the (35)S and 62% of (3)H had been excreted. Although a number of metabolites, polar and non-polar, were observed, none were identified. Neither TMTD nor dimethylamine were present.
(35)S and (14)C labeled ferbams were administered as an oral dose to rats. After absorption through the gastrointestinal tract, (35)S activity was observed in urine (22.7%), expired air (18.1%), bile (1.O%), and small amounts in tissues. When (14)C ferbam was used, (14)C was found in urine (42.9%, bile (1.4%), expired air (0.6%), and small amounts in tissues. The metabolite in expired air was identified as carbon disulfide. In the urine, inorganic sulfate, a dimethylamine salt, and a dimethyldithiocarbamate glucuronide were identified.
Classification of carcinogenicity: 1) evidence in humans: No adequate data; 2) evidence in animals: Inadequate data. Overall summary evaluation of carcinogenic risk to humans is Group 3: The agent is not classifiable as to its carcinogenicity to humans. /From table/
来源:Hazardous Substances Data Bank (HSDB)
毒理性
致癌性证据
A4;不可归类为人类致癌物。
A4; Not classifiable as a human carcinogen.
来源:Hazardous Substances Data Bank (HSDB)
毒理性
致癌物分类
国际癌症研究机构致癌物:福美双
IARC Carcinogenic Agent:Ferbam
来源:International Agency for Research on Cancer (IARC)
毒理性
致癌物分类
国际癌症研究机构(IARC)致癌物分类:第3组:无法归类其对人类致癌性
IARC Carcinogenic Classes:Group 3: Not classifiable as to its carcinogenicity to humans
来源:International Agency for Research on Cancer (IARC)
毒理性
致癌物分类
国际癌症研究机构专论集:第12卷:(1976年)一些氨基甲酸酯、硫代氨基甲酸酯和脒基脲
IARC Monographs:Volume 12: (1976) Some Carbamates, Thiocarbamates and Carbazides
来源:International Agency for Research on Cancer (IARC)
...The metabolism of Ferbam /was studied/ using 35S-labeled and 14C-labeled (at the methyl carbon) compound. Charles River female rats were given a single 500 mg/kg oral gavage dose of 35S or 14C ferric ferbam. Biliary excretion, blood distribution, placental transfer and milk secretion were studied. In rats dosed with 35S, at 24 hours post dosing, radioactivity in feces, urine, expired air, whole blood and bile amounted to 16.9, 22.7, 18.1, 0.6 and 1% of the applied dose, respectively. In rats dosed with 14C, at 24 hours post dosing, radioactivity in the same matrices amounted to 20.0, 42.9, 0.6, 0.9 and 1.4% of the applied dose, respectively. The total of whole blood, liver, kidneys, muscle and brain amounted to about 3.8% of the dose. Analysis of the expired air indicated that /carbon disulfide/ represented >99.9% of the sulfur containing metabolites in the expired air. A trace of COS was also detected. Analysis of urine indicated three ferbam metabolites: inorganic sulfate, dimethylammonium ion (dimethyl amine) and a glucuronide of /dimethyldithiocarbamide/. The authors concluded that after absorption, some of the /carbon disulfide/ is eliminated in the expired air, while the remainder is oxidized to inorganic sulfate. They also speculated that some of the N,N-dimethyldithiocarbamate is absorbed intact and then conjugated with glucuronic acid. The authors speculated that the conversion of ferbam to N,N-dimethyldithiocarbamate followed by decomposition to diethylamide and /carbon disulfide/ probably takes place in the gut, since ferbam is known to decompose to /carbon disulfide/ and diethylamide under acidic conditions.
来源:Hazardous Substances Data Bank (HSDB)
吸收、分配和排泄
Ferbam似乎不会在大鼠或狗的组织中储存,但是给大鼠喂食Ferbam增加了骨骼中铁的储存。
Ferbam does not appear to be stored in the tissues of rats or dogs, but feeding of ferbam to rats increased the skeletal stores of iron.
来源:Hazardous Substances Data Bank (HSDB)
吸收、分配和排泄
The disposition and metabolism of ferbam were studied in rats. Male rats weighing 125-275 g, pregnant rats on day 16 of gestation, and lactating rats 6 days post partum were given single oral doses of 500 mg/kg bw spiked with 24 uCi of either 35S- or 14C-labelled compound. The ferbam was suspended in 0.5% carboxymethyl cellulose. After dosing, each male rat was placed in a metabolism cage for examination of feces, urine, and expired air. At termination of the experiment, the rat was sacrificed for analysis of radiolabel. Bile was collected from some of the male rats. Five pups per lactating mother were left for nursing, and the dams and pups were sacrificed 24 hr after dosing. About 40-70% of the dose of labelled ferbam was absorbed through the gastrointestinal tract within the first 24 hr. In rats receiving 35S-ferbam, 23% of the radiolabel was found in urine, 18% in expired air, and 1% in bile; only small amounts were found in tissues, including blood, kidneys, muscle, and brain. In rats receiving 14C-ferbam, 43% of the radiolabel was found in urine and 1.4% in bile, whereas only 0.6% was recovered in expired air. The other tissues contained only small amounts of radiolabel. In the pregnant rats, a small but significant amount of radiolabel readily crossed the placenta into the fetus. In lactating rats, radiolabel was secreted into the milk, absorbed by the pups, and excreted in the pups' urine.
ferbam 在大鼠体内的分布和代谢进行了研究。体重为 125-275 克的雄性大鼠、妊娠第 16 天的怀孕大鼠以及分娩后 6 天的哺乳期大鼠单次口服剂量为 500 mg/kg bw,并添加了 24 uCi 的 35S- 或 14C- 标记化合物。将 ferbam 悬浮在 0.5% 羧甲基纤维素中。给药后,每只雄性大鼠被放置在代谢笼中,以检查粪便、尿液和呼出的空气。在实验结束时,大鼠被牺牲以分析放射性标记。从一些雄性大鼠中收集胆汁。每只哺乳期母鼠留下五只幼崽进行哺乳,母鼠和幼崽在给药后 24 小时被牺牲。在大约 40-70% 的标记 ferbam 剂量在最初的 24 小时内通过胃肠道吸收。在接受 35S-ferbam 的大鼠中,23% 的放射性标记在尿液中,18% 在呼出的空气中,1% 在胆汁中;只有少量在组织中,包括血液、肾脏、肌肉和大脑。在接受 14C-ferbam 的大鼠中,43% 的放射性标记在尿液中,1.4% 在胆汁中,而只有 0.6% 在呼出的空气中恢复。其他组织中只含有少量的放射性标记。在怀孕大鼠中,一小部分但显著的放射性标记容易穿过胎盘进入胎儿。在哺乳期大鼠中,放射性标记被分泌到乳汁中,被幼崽吸收,并从幼崽的尿液中排出。
The disposition and metabolism of ferbam were studied in rats. Male rats weighing 125-275 g, pregnant rats on day 16 of gestation, and lactating rats 6 days post partum were given single oral doses of 500 mg/kg bw spiked with 24 uCi of either 35S- or 14C-labelled compound. The ferbam was suspended in 0.5% carboxymethyl cellulose. After dosing, each male rat was placed in a metabolism cage for examination of feces, urine, and expired air. At termination of the experiment, the rat was sacrificed for analysis of radiolabel. Bile was collected from some of the male rats. Five pups per lactating mother were left for nursing, and the dams and pups were sacrificed 24 hr after dosing. About 40-70% of the dose of labelled ferbam was absorbed through the gastrointestinal tract within the first 24 hr. In rats receiving 35S-ferbam, 23% of the radiolabel was found in urine, 18% in expired air, and 1% in bile; only small amounts were found in tissues, including blood, kidneys, muscle, and brain. In rats receiving 14C-ferbam, 43% of the radiolabel was found in urine and 1.4% in bile, whereas only 0.6% was recovered in expired air. The other tissues contained only small amounts of radiolabel. In the pregnant rats, a small but significant amount of radiolabel readily crossed the placenta into the fetus. In lactating rats, radiolabel was secreted into the milk, absorbed by the pups, and excreted in the pups' urine.
(35)S and (14)C labeled ferbams were administered as an oral dose to rats. After absorption through the gastrointestinal tract, (35)S activity was observed in urine (22.7%), expired air (18.1%), bile (1.O%), and small amounts in tissues. When (14)C ferbam was used, (14)C was found in urine (42.9%, bile (1.4%), expired air (0.6%), and small amounts in tissues. The metabolite in expired air was identified as carbon disulfide. In the urine, inorganic sulfate, a dimethylamine salt, and a dimethyldithiocarbamate glucuronide were identified.
...The metabolism of Ferbam /was studied/ using 35S-labeled and 14C-labeled (at the methyl carbon) compound. Charles River female rats were given a single 500 mg/kg oral gavage dose of 35S or 14C ferric ferbam. Biliary excretion, blood distribution, placental transfer and milk secretion were studied. In rats dosed with 35S, at 24 hours post dosing, radioactivity in feces, urine, expired air, whole blood and bile amounted to 16.9, 22.7, 18.1, 0.6 and 1% of the applied dose, respectively. In rats dosed with 14C, at 24 hours post dosing, radioactivity in the same matrices amounted to 20.0, 42.9, 0.6, 0.9 and 1.4% of the applied dose, respectively. The total of whole blood, liver, kidneys, muscle and brain amounted to about 3.8% of the dose. Analysis of the expired air indicated that /carbon disulfide/ represented >99.9% of the sulfur containing metabolites in the expired air. A trace of COS was also detected. Analysis of urine indicated three ferbam metabolites: inorganic sulfate, dimethylammonium ion (dimethyl amine) and a glucuronide of /dimethyldithiocarbamide/. The authors concluded that after absorption, some of the /carbon disulfide/ is eliminated in the expired air, while the remainder is oxidized to inorganic sulfate. They also speculated that some of the N,N-dimethyldithiocarbamate is absorbed intact and then conjugated with glucuronic acid. The authors speculated that the conversion of ferbam to N,N-dimethyldithiocarbamate followed by decomposition to diethylamide and /carbon disulfide/ probably takes place in the gut, since ferbam is known to decompose to /carbon disulfide/ and diethylamide under acidic conditions.
1.周国泰,化学危险品安全技术全书,化学工业出版社,1997 2.国家环保局有毒化学品管理办公室、北京化工研究院合编,化学品毒性法规环境数据手册,中国环境科学出版社.1992 3.Canadian Centre for Occupational Health and Safety,CHEMINFO Database.1998 4.Canadian Centre for Occupational Health and Safety, RTECS Database, 1989
Oxidation of tetramethylthiuram sulfide and iron(III) dithiocarbamates with ferric chloride
摘要:
The title systems lead to the haloferrate(III) salt of the large 3,5-bis(N,N-dimethyliminium)-1,2,4-trithiolane cation. Oxidation of the iron(III) dithiocarbamates occurs stepwise through the formation of several intermediates, which are isolated and characterized. An alternative route to the oxidation of the thiuram sulfide is presented. All compounds were characterized by analyses, IR and UV spectroscopy, as well as magnetic measurements.
Dithiocarbamate derivatives of μ-thiocarbyne complexes: synthesis and X-ray molecular structure of [Fe2(μ-CS)(μ-CSMe)(μ-S2CNMe2)Cp2]
作者:Vincenzo G. Albano、Silvia Bordoni、Luigi Busetto、Antonio Palazzi、Piera Sabatino、Valerio Zanotti
DOI:10.1016/s0022-328x(02)01652-2
日期:2002.10
[Me2dtc]− with the di-solvento thiocarbyne [Fe2(μ-CS)(μ-CSMe)(NCMe)2Cp2]+ (1a). By contrast no stable addition product has been isolated in analogous reactions involving the thiocarbyne [Fe2(μ-CO)(μ-CSMe)Cp2(CO)2]+ (1b). The [Me2dtc]− nucleophilic addition at the μ-C to form [Fe2(μ-CO)μ-C(CN)SC(S)NMe2}Cp2(CO)2] (4a) is obtained starting from [Fe2(μ-CO)μ-C(CN)(SMe2)}Cp2(CO)2]SO3CF3 (1d). Photochemical