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二硫代草酰氨

二硫代草酰氨用途

【用途一】
用作分析试剂
【用途二】
用于检定铋、钴、铜、铁、镍、钨和钌。还可用作维生素C溶液的稳定剂。
【用途三】
用于光度浊度测定铜、镍、钴。也可用于光度法或电位滴定法测定铜。并可定性检出Co2+、Cu2+、Ni2+、Ru3+。

二硫代草酰氨名称

[ CAS 号 ]:
79-40-3

[ 中文名 ]:
二硫代乙酰胺

[ 英文名 ]:
Dithiooxamide

[中文别名 ]:

[英文别名 ]:

EINECS 201-203-9
Oxamide,dithio
Dithioxamide
hydrorubeanic acid
Rubeane
MFCD00004941
Ethanebis(thioamide)
RUBEANIC ACID
dithiooxalyldiamide
Rubean

二硫代草酰氨物理化学性质

[ 密度 ]:
1.5±0.1 g/cm3

[ 沸点 ]:
252.1±23.0 °C at 760 mmHg

[ 熔点 ]:
≥300 °C(lit.)

[ 分子式 ]:
C₂H₄N₂S₂

[ 分子量 ]:
120.197

[ 闪点 ]:
106.2±22.6 °C

[ 精确质量 ]:
119.981590

[ PSA ]:
116.22000

[ LogP ]:
-0.76

[ 外观性状 ]:
橙色至棕色结晶粉末

[ 蒸汽压 ]:
0.0±0.5 mmHg at 25°C

[ 折射率 ]:
1.776

[ 储存条件 ]:
室温

[ 稳定性 ]:
Stable.

[ 水溶解性 ]:
水溶性：微溶；可溶于：丙酮,氯仿,醇；不溶：乙醚

二硫代草酰氨MSDS

二硫代草酰氨毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: RP1575000

CHEMICAL NAME :: Oxamide, dithio-

CAS REGISTRY NUMBER :: 79-40-3

LAST UPDATED :: 199701

DATA ITEMS CITED :: 7

MOLECULAR FORMULA :: C2-H4-N2-S2

MOLECULAR WEIGHT :: 120.20

WISWESSER LINE NOTATION :: SUYZYZUS

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 500 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: 5,43,1953

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 350 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - convulsions or effect on seizure threshold Behavioral - changes in motor activity (specific assay)

REFERENCE :: FATOAO Farmakologiya i Toksikologiya (Moscow). For English translation, see PHTXA6 and RPTOAN. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.2- 1939- Volume(issue)/page/year: 28,230,1965

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 100 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

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 56 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#04475 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - M4594 No. of Facilities: 193 (estimated) No. of Industries: 2 No. of Occupations: 2 No. of Employees: 542 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - M4594 No. of Facilities: 43 (estimated) No. of Industries: 2 No. of Occupations: 4 No. of Employees: 217 (estimated) No. of Female Employees: 194 (estimated)

二硫代草酰氨安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H302-H315-H319-H335

[ 警示性声明 ]:
P261-P305 + P351 + P338

[ 个人防护装备 ]:
dust mask type N95 (US);Eyeshields;Faceshields;Gloves

[ 危害码 (欧洲) ]:
Xn:Harmful;

[ 风险声明 (欧洲) ]:
R22;R36/37/38

[ 安全声明 (欧洲) ]:
S36/37

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
3

[ RTECS号 ]:
RP1575000

[ 海关编码 ]:
29309070

二硫代草酰氨合成路线

二硫代草酰氨上下游产品

二硫代草酰氨上游产品

二硫代草酰氨下游产品

二硫代草酰氨制备

1.边搅拌边将浓氨水加到浓的硫酸铜溶液中，直到沉淀出来的氢氧化铜重新溶解。冷却后，在不断搅拌下慢慢加入氰化钾溶液至蓝色消失。然后向反应液中通入由硫化钠和盐酸反应制得的硫化氢气。控制硫化氢∶氰气＝3∶ 1，搅拌均匀后彻底冷却，静置，过滤。所得结晶用冷水洗涤，经乙醇重结晶，得成品
二硫代乙二酰胺。过程反应式如下：

二硫代草酰氨海关

[ 海关编码 ]: 29309070

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