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4-溴吡唑

4-溴吡唑用途

4-溴吡唑是一种生物化学试剂,可作为生物材料或有机化合物用于生命科学相关研究。

4-溴吡唑名称

[ CAS 号 ]:
2075-45-8

[ 中文名 ]:
4-溴吡唑

[ 英文名 ]:
4-Bromopyrazole

[中文别名 ]:

[英文别名 ]:

4-bromopyrazol
4-Bromopyrazole
T5MNJ DE
1H-Pyrazole,4-bromo
4-Bromo-1H-pyrazole
1H-Pyrazole, 4-bromo-
4-bromo-pyrazole
MFCD00075602
4-bromoimidazole
4,Br-pyrazole

4-溴吡唑生物活性

[ 描述 ]:

4-溴吡唑是一种生物化学试剂,可作为生物材料或有机化合物用于生命科学相关研究。

[ 相关类别 ]:

研究领域 >> 其他

4-溴吡唑物理化学性质

[ 密度 ]:
1.9±0.1 g/cm3

[ 沸点 ]:
255.0±0.0 °C at 760 mmHg

[ 熔点 ]:
93-96 °C(lit.)

[ 分子式 ]:
C₃H₃BrN₂

[ 分子量 ]:
146.97

[ 闪点 ]:
108.0±19.8 °C

[ 精确质量 ]:
145.947952

[ PSA ]:
28.68000

[ LogP ]:
1.44

[ 外观性状 ]:
白色至奶油色结晶粉末

[ 蒸汽压 ]:
0.0±0.5 mmHg at 25°C

[ 折射率 ]:
1.602

[ 储存条件 ]:
存放于惰性气体之中;避免空气

[ 水溶解性 ]:
可溶于：甲醇

4-溴吡唑MSDS

4-溴吡唑毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UQ6200000

CHEMICAL NAME :: Pyrazole, 4-bromo-

CAS REGISTRY NUMBER :: 2075-45-8

BEILSTEIN REFERENCE NO. :: 0106510

LAST UPDATED :: 199612

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C3-H3-Br-N2

MOLECULAR WEIGHT :: 146.99

WISWESSER LINE NOTATION :: T5MNJ DE

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 :: 367 mg/kg

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

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 500 ug/plate

REFERENCE :: ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 8,611,1986

4-溴吡唑安全信息

[ 符号 ]:

GHS07

[ 信号词 ]:
Warning

[ 危害声明 ]:
H315-H319-H335

[ 警示性声明 ]:
P261-P305 + P351 + P338

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

[ 危害码 (欧洲) ]:
Xi:Irritant;

[ 风险声明 (欧洲) ]:
R36/37/38

[ 安全声明 (欧洲) ]:
S26-S37/39

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

[ WGK德国 ]:
3

[ RTECS号 ]:
UQ6200000

[ 海关编码 ]:
2933199090

4-溴吡唑合成路线

4-溴吡唑上下游产品

4-溴吡唑上游产品

4-溴吡唑下游产品

4-溴吡唑海关

[ 海关编码 ]: 2933199090

[ 中文概述 ]:
2933199090. 其他结构上有非稠合吡唑环化合物. 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 ]:
2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

4-溴吡唑文献

A general, practical palladium-catalyzed cyanation of (hetero)aryl chlorides and bromides.

Angew. Chem. Int. Ed. Engl. 52(38) , 10035-9, (2013)

Playing it safe: The nontoxic cyanide source K4 [Fe(CN)6]·3H2O can be used for the cyanation of (hetero)aryl halides. The application of palladacycle catalysts prevents poisoning during catalyst forma...

Structural Diversity in the Reaction of Mono- and Disubstituted Pyrazoles with Titanium Tetrachloride. Importance of Hydrogen Bonding and Trends in cis/trans Geometry of Binary Adducts with Unidentate Ligands.

Inorg. Chem. 36(20) , 4415-4420, (1997)

Treatment of titanium tetrachloride with 3,5-di-tert-butylpyrazole affords the complexes [3,5-(C(CH(3))(3))(2)C(3)H(3)N(2)](2)[TiCl(6)] and (3,5-(C(CH(3))(3))(2)C(3)HN(2))(2)TiCl(2) in 37 and 42% yiel...

Palladium(II) complexes of pyrazolated thio/selenoethers: syntheses, structures, single source precursors of Pd4Se and PdSe nano-particles and potential for catalyzing Suzuki-Miyaura coupling.

Dalton Trans. 42(11) , 3908-18, (2013)

The reactions of 4-bromo-1-(2-chloroethyl)-1H-pyrazole prepared from 4-bromopyrazole with the in situ generated PhSNa, PhSeNa, Na(2)S and Na(2)Se have resulted in thio/selenoether ligands L1-L4 respec...

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