哌草丹

哌草丹 基本信息
CAS号 61432-55-1 分子式 C15H21NOS
分子量 263.39800 精确质量  263.13400
PSA  45.61000 LogP  4.19870

基本信息 展开↓

CAS号:
61432-55-1
分子式:
C15H21NOS
分子量:
263.39800
中文名称:
哌草丹
英文名称:
Dimepiperate
中文别名:
哌草丹;
哌啶酯;
优克稗;
S-1-甲基-苯基乙基哌啶-1-硫代甲酸酯;
S-(1-甲基-1-苯乙基)-1-哌啶硫代甲酸酯;
S-(Α,Α-二甲基苄基)哌啶-1-硫代甲酸酯;
S-1-甲基-1-苯基乙基哌啶-1-硫代甲酸酯
英文别名:
Dimepiperate;
s-(2-phenyl-2-propanyl)-1-piperidincarbothioat;
S-1-methyl-1-phenylethyl piperidine-1-carbothioate;
S-(2-phenylpropan-2-yl) piperidine-1-carbothioate;
S-1-Methyl-1-phenylethyl piperidine 1-carbothioate;
EINECS 262-784-2;
S-(1-methyl-1-phenylethyl) 1-piperidinecarbothioate;
Yukamate
精确分子量/精确质量:
263.13400
极性分子表面积/PSA:
45.61000
油水分配系数/LogP:

LogP值指的是某物质在正辛醇/水两相体系中的分配系数的对数值,反映了物质在油水两相中的分配情况。其中、LogP值越大,说明该物质越亲油;反之,LogP值越小,则说明该物质越亲水。
贝尔斯坦号/MDL:
MFCD00274592
EINECS:
262-784-2

生产制备方法及用途展开↓

制备方法


以甲苯或哌啶为溶剂,加入α,α-二甲基苄硫醇,然后在室温下滴加40%氢氧化钠溶液,回流反应,分去水分。升温至60~70℃,滴加哌啶甲酰氯,滤去析出的氯化钠,升温反应数小时,经水洗、干燥、脱溶得哌草丹。α,α-二甲基苄硫醇的合成方法如下:以1,4-二氧六环为溶剂,在催化剂存在下,α-甲基苯乙烯与硫化氢反应制得,收率86.3%。也可采用二甲基亚砜为溶剂,将相应的硝基化合物用Na2S2处理,所得物在0℃与铝汞齐作用制得,收率达92%。

合成制备方法


以甲苯或哌啶为溶剂,加入α,α-二甲基苄硫醇,然后在室温下滴加40%氢氧化钠溶液,回流反应,分去水分。升温至60~70℃,滴加哌啶甲酰氯,滤去析出的氯化钠,升温反应数小时,经水洗、干燥、脱溶得哌草丹。
α,α-二甲基苄硫醇的合成方法如下:以1,4-二氧六环为溶剂,在催化剂存在下,α-甲基苯乙烯与硫化氢反应制得,收率86.3%。
也可采用二甲基亚砜为溶剂,将相应的硝基化合物用Na2S2处理,所得物在0℃与铝汞齐作用制得,收率达92%。

用途简介


内吸传导型选择性稻田除草剂。对防除2叶期以前的稗草效果突出。药剂由根系、茎、叶吸收后传导至整个植株,打破内源生长素的平衡,进而使细胞内蛋白质合成受阻,破坏生长点细胞的分裂,达到抑制和延迟杂草茎叶的形成,生长发育停止,茎叶由浓绿变黄、变褐至枯死。如水稻旱种田在出苗后,稗草 5~ 5叶期,每百平方米用哌草丹50%乳油30mL加20%敌稗乳油75~ 6mL,对水 5~6kg,茎叶喷雾。旱育秧及湿润秧苗在播前或播后,每百平方米用50%乳油 5~30mL,对水 75~ 5kg床面喷雾,水育秧苗可在播后1~4d用毒土法施药。插秧田在插秧后3~7d,用50%乳油 5~39mL对水喷雾。施药后保持3~5cm水层5~7d。当稻田杂草种类较多时,宜与其他除草剂混用。

用途


内吸传导型选择性稻田除草剂。对防除2叶期以前的稗草效果突出。药剂由根系、茎、叶吸收后传导至整个植株,打破内源生长素的平衡,进而使细胞内蛋白质合成受阻,破坏生长点细胞的分裂,达到抑制和延迟杂草茎叶的形成,生长发育停止,茎叶由浓绿变黄、变褐至枯死。如水稻旱种田在出苗后,稗草1.5~2.5叶期,每百平方米用哌草丹50%乳油30mL加20%敌稗乳油75~112.6mL,对水4.5~6kg,茎叶喷雾。旱育秧及湿润秧苗在播前或播后,每百平方米用50%乳油22.5~30mL,对水3.75~4.5kg床面喷雾,水育秧苗可在播后1~4d用毒土法施药。插秧田在插秧后3~7d,用50%乳油22.5~39mL对水喷雾。施药后保持3~5cm水层5~7d。当稻田杂草种类较多时,宜与其他除草剂混用。

物化性质展开↓

密度:
1.109g/cm3
熔点:
39ºC
沸点:
380ºC(e)
闪点:
180.6ºC
折射率:
1.563
存储条件/存储方法:
库房通风低温干燥,与食品原料分开储运
稳定性相关:

30℃可稳定1年以上,在0.1mol/L盐酸和0.1mol/L氢氧化钠水溶液中稳定,日光下稳定。对家兔皮肤和眼睛无刺激,对豚鼠皮内注射无过敏反应。大、小鼠经2年喂养试验无不良影响。功物试验未见致畸、致癌、致突变作用。

其它信息:

1.       性状:似蜡状固体

2.       密度(g/cm3 25/4 ºC):1.08

3.       相对蒸汽密度(g/mL,空气=1):未确定

4.       熔点(ºC):38.839.3

5.       沸点(ºC,99.75Pa):164168

6.       沸点(ºC,5.2kPa):未确定

7.       折射率(°):未确定

8.       闪点(℉):未确定

9.       比旋光度(º):未确定

10.    自燃点或引燃温度(ºC):未确定

11.    蒸气压(kPa,30ºC):0.53×10-3

12.    饱和蒸气压(kPa,60ºC):未确定

13.    燃烧热(KJ/mol):未确定

14.    临界温度(ºC):未确定

15.    临界压力(KPa):未确定

16.    油水(辛醇/水)分配系数的对数值(25℃):未确定

17.    爆炸上限(%,V/V):未确定

18.    爆炸下限(%,V/V):未确定

19.    溶解性(mg/mL, 25 ºC ):正己烷2.0kg/L,甲苯3.1kg/L,乙醇4.1kg/L,环己酮4.9kg/L,氯            仿5.8kg/L,丙酮6.2kg/L;水中溶解度为20mg/L

 

安全信息展开↓

危险类别码:
22-51/53
RTECS号:
TM5958000
安全标志:
S61:避免排放到环境中。参考专门的说明/安全数据表。
危险标志:
Xn,N

化学图谱

  1. 哌草丹质谱(MS)

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毒理性展开↓

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TM5958000
CHEMICAL NAME :
1-Piperidinecarbothioic acid, S-(1-methyl-1-phenylethyl) ester
CAS REGISTRY NUMBER :
61432-55-1
LAST UPDATED :
199512
DATA ITEMS CITED :
16
MOLECULAR FORMULA :
C15-H21-N-O-S
MOLECULAR WEIGHT :
263.43

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 :
946 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPIFAN Japan Pesticide Information. (Japan Plant Protection Assoc., 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) No.1-61, 1969-92. For publisher information, see AGJAEP. Volume(issue)/page/year: (45),18,1984
TYPE OF TEST :
LC50 - Lethal concentration, 50 percent kill
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>1600 mg/m3/4H
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 14,109,1989
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPIFAN Japan Pesticide Information. (Japan Plant Protection Assoc., 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) No.1-61, 1969-92. For publisher information, see AGJAEP. Volume(issue)/page/year: (45),18,1984
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
676 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPIFAN Japan Pesticide Information. (Japan Plant Protection Assoc., 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) No.1-61, 1969-92. For publisher information, see AGJAEP. Volume(issue)/page/year: (45),18,1984
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
18836 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPIFAN Japan Pesticide Information. (Japan Plant Protection Assoc., 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) No.1-61, 1969-92. For publisher information, see AGJAEP. Volume(issue)/page/year: (45),18,1984
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
4519 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPIFAN Japan Pesticide Information. (Japan Plant Protection Assoc., 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) No.1-61, 1969-92. For publisher information, see AGJAEP. Volume(issue)/page/year: (45),18,1984
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1211 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPIFAN Japan Pesticide Information. (Japan Plant Protection Assoc., 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) No.1-61, 1969-92. For publisher information, see AGJAEP. Volume(issue)/page/year: (45),18,1984
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
>10 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
JPIFAN Japan Pesticide Information. (Japan Plant Protection Assoc., 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) No.1-61, 1969-92. For publisher information, see AGJAEP. Volume(issue)/page/year: (45),18,1984
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
>2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 14,109,1989
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - chicken
DOSE/DURATION :
>5 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 14,109,1989
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Bird - quail
DOSE/DURATION :
>2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 14,109,1989 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1092 mg/kg/13W-C
TOXIC EFFECTS :
Liver - other changes Liver - changes in liver weight Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis)
REFERENCE :
NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 14,109,1989
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
13140 mg/kg/2Y-C
TOXIC EFFECTS :
Liver - changes in liver weight Kidney, Ureter, Bladder - changes in bladder weight
REFERENCE :
NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 14,109,1989
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
54600 mg/kg/13W-C
TOXIC EFFECTS :
Liver - changes in liver weight Blood - changes in erythrocyte (RBC) count Nutritional and Gross Metabolic - weight loss or decreased weight gain
REFERENCE :
NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 14,109,1989
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
263 gm/kg/2Y-C
TOXIC EFFECTS :
Liver - changes in liver weight Endocrine - changes in thyroid weight Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol)
REFERENCE :
NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 14,109,1989 ** REPRODUCTIVE DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
2 gm/kg
SEX/DURATION :
female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - fetal death
REFERENCE :
NNGADV Nippon Noyaku Gakkaishi. Journal of the Pesticide Science Society of Japan. (Nippon Noyaku Gakkai, 1-43-11, Komagome, Toshima-ku, Tokyo 170, Japan) V.1- 1976- Volume(issue)/page/year: 14,109,1989
毒理学数据:

雄性大鼠急性经口LD50 946mg /kg ,雌性为959mg /kg,雄小鼠为4677mg /kg ,雌小鼠为4519mg /kg。大鼠(雄、雌)急性经皮LD50 > 5000mg /kg。大鼠腹膜注射LD50 676-798mg /kg,小鼠皮下注射LD50 > 10000mg /kg。鲤鱼LC50 5.8 mg/L (48h},虹鱼5.7m/L }48h),水蚤40mg/L ( 3h )。雄性日本鹤鹑急性经口LD50> 2000mg /kg,母鸡LD50> SOOOmg /kg

生态数据:

若无政府许可,勿将材料排入周围环境

分子结构与计算化学数据展开↓

计算化学数据


1.疏水参数计算参考值(XlogP):3.6

2.氢键供体数量:0

3.氢键受体数量:2

4.可旋转化学键数量:3

5.互变异构体数量:无

6.拓扑分子极性表面积45.6

7.重原子数量:18

8.表面电荷:0

9.复杂度:278

10.同位素原子数量:0

11.确定原子立构中心数量:0

12.不确定原子立构中心数量:0

13.确定化学键立构中心数量:0

14.不确定化学键立构中心数量:0

15.共价键单元数量:1

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