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多效唑

多效唑用途

多效唑是一种含有三唑的植物生长延缓剂,可以抑制赤霉素的生物合成。多效唑还具有抗真菌活性。多效唑在植物体内向上运输,能抑制脱落酸的合成,诱导植物耐冷性植物。多效唑通常用于支持赤霉素在植物生物学中作用的研究。

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多效唑名称

[ CAS 号 ]:
76738-62-0

[ 中文名 ]:
多效唑

[ 英文名 ]:
PACLOBUTRAZOL

[中文别名 ]:

[英文别名 ]:

EINECS 616-379-6
pp333
PACLOBUTRAZOL
Parlay
ICI PP 333
Trimmit
Friazole
bonzi
Multi-effect triazole
CLIPPER

多效唑生物活性

[ 描述 ]:

[ 相关类别 ]:

信号通路 >> 抗感染 >> 真菌

多效唑物理化学性质

[ 密度 ]:
1.2±0.1 g/cm3

[ 沸点 ]:
460.9±55.0 °C at 760 mmHg

[ 熔点 ]:
165-166°C

[ 分子式 ]:
C₁₅H₂₀ClN₃O

[ 分子量 ]:
293.792

[ 闪点 ]:
232.6±31.5 °C

[ 精确质量 ]:
293.129486

[ PSA ]:
50.94000

[ LogP ]:
2.99

[ 外观性状 ]:
灰白色至米色固体

[ 蒸汽压 ]:
0.0±1.2 mmHg at 25°C

[ 折射率 ]:
1.580

[ 储存条件 ]:
库房通风低温干燥,与食品原料分开储运

多效唑MSDS

详细MSDS(安全技术说明书)

多效唑毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XZ4803300

CHEMICAL NAME :: 1H-1,2,4-Triazole-1-ethanol, beta-((4-chlorophenyl)methyl)-alpha-(1,1-dimethylethy l)-, (R*,R*)-(+-)-

CAS REGISTRY NUMBER :: 76738-62-0

LAST UPDATED :: 199712

DATA ITEMS CITED :: 9

MOLECULAR FORMULA :: C15-H20-Cl-N3-O

MOLECULAR WEIGHT :: 293.83

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1300 mg/kg

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

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,664,1991

TYPE OF TEST :: LC50 - Lethal concentration, 50 percent kill

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 369 gm/m3/4H

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

REFERENCE :: FMCHA2 Farm Chemicals Handbook. (Meister Pub., 37841 Euclid Ave., Willoughy, OH 44094) Volume(issue)/page/year: -,C228,1991

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: >1 gm/kg

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

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,644,1991

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 490 mg/kg

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

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,644,1991

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 840 mg/kg

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

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,644,1991

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

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: >1 gm/kg

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

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,644,1991

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 400 mg/kg

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

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,644,1991

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Bird - duck

DOSE/DURATION :: >7900 mg/kg

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

REFERENCE :: PEMNDP Pesticide Manual. (The British Crop Protection Council, 20 Bridport Rd., Thornton Heath CR4 7QG, UK) V.1- 1968- Volume(issue)/page/year: 9,644,1991

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多效唑安全信息

[ 符号 ]:

GHS02, GHS07, GHS08

[ 信号词 ]:
Danger

[ 危害声明 ]:
H228-H302-H361

[ 警示性声明 ]:
P210-P280-P301 + P312 + P330-P370 + P378

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

[ 危害码 (欧洲) ]:
Xn:Harmful

[ 风险声明 (欧洲) ]:
R22

[ 安全声明 (欧洲) ]:
S36

[ 危险品运输编码 ]:
UN1325 4.1/PG 2

[ RTECS号 ]:
XZ4803300

[ 海关编码 ]:
2933990019

多效唑制备

1.制备方法一
以1,2,4-三氮唑和1-氯-3,3-二甲基-2-丁酮为原料，合成α-1,2,4-三氮唑-3,3-二甲基-2-丁酮，再与对氯氯苄进行缩合反应，生成α-对氯氯苄基-1,2,4-三氮唑-3,3-二甲基-2-丁酮，然后用硼氢化钠还原得多效唑。
本法原料易得，步骤较少，主要缺点是还原反应时采用硼氢化钠（钾），导致成本过高。文献报道用二亚硫酸钠（Na2S2O4），俗称保险粉为还原剂，在碱性介质(NaHCO3)和选定的溶剂或溶剂系统（水-甲醇，6∶1，体积比）中反应，制得多效唑。操作实例如下:0.03mo1 NaHCO3与60ml水棍合，搅拌
加热至洛。然后将氯座酮于川m工_甲醉中全洛后，一次性加入上述NaHCO3水溶液中，所得到的浑浊反应棍合物，加热搅拌，待回流后将保险粉(0.03mo1)在6h内均分6次加入，加毕回流2h。反应结束后，冷却、吸滤、用水洗涤、干燥后得多效唑.

2.制备方法二
以对氯苯甲醛和3,3-二甲基-2-丁酮为原料，生成相应的烯酮，经加氢、溴化，与1,2,4-三氮唑反应，最后用硼氢化钠还原，得多效唑。

3.制备方法三
将1-(对氯苯基)-2-(1,2,4-三氮唑-1-基）丙酰氯与特丁基溴化镁反应，再用硼氢化钠还原，得多效唑。

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多效唑海关

[ 海关编码 ]: 2933990019

[ 中文概述 ]:
2933990019 多效唑,烯效唑,抑芽唑等〔包括异麦赛津,叶枯净,叶锈特,吡喃草酮,吲哚乙酸〕。监管条件:S(进出口农药登记证明)。增值税率:17.0%。退税率:9.0%。最低关税: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

[ 监管条件 ]: S.进出口农药登记证明

[ Summary ]:
2933990019 phenazine 5-oxide。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:20.0%

多效唑文献

ABA inhibits germination but not dormancy release in mature imbibed seeds of Lolium rigidum Gaud.

J. Exp. Bot. 60 , 3387-96, (2009)

Dormancy release in imbibed annual ryegrass (Lolium rigidum Gaud.) seeds is promoted in the dark but inhibited in the light. The role of abscisic acid (ABA) in inhibition of dormancy release was found...

Dissipation and enantioselective degradation of plant growth retardants paclobutrazol and uniconazole in open field, greenhouse, and laboratory soils.

Environ. Sci. Technol. 47(2) , 843-9, (2013)

Greenhouses are increasingly important in human food supply. Pesticides used in greenhouses play important roles in horticulture; however, little is known about their behavior in greenhouse environmen...

The transcriptional regulator BBX24 impairs DELLA activity to promote shade avoidance in Arabidopsis thaliana.

Nat. Commun. 6 , 6202, (2015)

In response to canopy shade, plant vegetative structures elongate to gain access to light. However, the mechanism that allows a plastic transcriptional response to canopy shade light is not fully eluc...

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