四氯苯酞

四氯苯酞 基本信息
CAS号 27355-22-2 分子式 C8H2Cl4O2
分子量 271.91200 精确质量  269.88100
PSA  26.30000 LogP  3.97060

基本信息 展开↓

CAS号:
27355-22-2
3D弹球模型:
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分子式:
C8H2Cl4O2
分子量:
271.91200
中文名称:
四氯苯酞
英文名称:
4,5,6,7-tetrachloro-2-benzofuran-1(3H)-one
中文别名:
四氯苯酞;
氯百杀;
热必斯;
稻瘟酞
英文别名:
4,5,6,7-tetrachloro-2-benzofuran-1(3H)-one;
4,5,6,7-tetrachloro-1(3H)-isobenzofuranone;
phthalide;
4,5,6,7-tetrachloroisobenzofuran-1(3H)-one;
fthalide;
1(3H)-4,5,6,7-tetrachloroisobenzofuranone;
4,5,6,7-Tetrachlor-phthalid;
PHH;
Rabcide;
KF-32;
4,5,6,7-tetrachloro-3H-2-benzofuran-1-one;
Phthalide,4,5,6,7-tetrachloro;
Fthalide
精确分子量/精确质量:
269.88100
极性分子表面积/PSA:
26.30000
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。
EINECS:
229-405-2
InChI:
The Key: NMWKWBPNKPGATC-UHFFFAOYSA-N

生产制备方法及用途展开↓

制备方法


制备方法一苯环氯化 以四氯化碳为溶剂(3320g),在催化剂存在下,加入邻二甲苯223g(2mol),混合后通氯反应,控制在60℃以下,反应3h,析出白色结晶;升温至70℃,继续通氯至大部分结晶溶解。侧链氯化 苯环氯化结束后,稍冷,取出铁催化剂加入三氯化磷20g,在高压汞灯光照下通氯,(也可在偶氮二异丁腈和三氯化磷存在下侧链氯化)于70℃反应7h,蒸出四氯公碳,得产品780g左右。四氯苯酞的合成 将100g3,4,5,6-α,α,α',α'-八氯邻二甲苯和900g95%的硫酸搅拌混合后,升混至130~140℃,保温5h,至无氯化氢气体逸出,冷至室温,再缓缓倒入冰水中,析出淡黄色结晶,抽滤,水洗、干燥后得四氯苯酞70g左右。制备方法二

合成制备方法


苯环氯化 以四氯化碳为溶剂(3320g),在催化剂存在下,加入邻二甲苯223g(2mol),混合后通氯反应,控制在60℃以下,反应3h,析出白色结晶;升温至70℃,继续通氯至大部分结晶溶解。
侧链氯化 苯环氯化结束后,稍冷,取出铁催化剂加入三氯化磷20g,在高压汞灯光照下通氯,(也可在偶氮二异丁腈和三氯化磷存在下侧链氯化)于70℃反应7h,蒸出四氯公碳,得产品780g左右。
四氯苯酞的合成 将100g3,4,5,6-α,α,α',α'-八氯邻二甲苯和900g95%的硫酸搅拌混合后,升混至130~140℃,保温5h,至无氯化氢气体逸出,冷至室温,再缓缓倒入冰水中,析出淡黄色结晶,抽滤,水洗、干燥后得四氯苯酞70g左右

制备方法二

用途简介


用作农用杀菌剂,防治稻瘟病。

用途


为一种防治稻瘟病的保护性杀菌剂。病菌侵入稻株之前施药,能有效地抑制附着于稻株表面的孢子形成,阻止菌丝侵入,因此有良好的防治效果,但若稻瘟病菌侵入稻株后施药,不能阻止孢子发芽或菌丝生长。如防治穗颈瘟,在水稻破口期进行首次喷药,用50%可湿性粉剂15g/100m2对水喷雾,在水稻齐穗期或第1次喷药后7d,进行第2次喷药,残效期达13d。如防治叶瘟,于田间见病斑时喷药,用50%可湿性粉剂15g/100m2对水喷雾,若病情仍在发展,5~7d后再喷1次,防治效果70%~90%。

物化性质展开↓

密度:
1.767g/cm3
熔点:
209-210ºC
沸点:
464.4ºC at 760mmHg
闪点:
215.8ºC
折射率:
1.635
蒸汽压:
8.38E-09mmHg at 25°C
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:

避免接触强氧化剂,强碱

在试验剂量内,未发现致癌、致畸、致突变作用。对兔皮肤和眼睛无刺激作用。

其它信息:

1.       性状: 白色晶体。

2.       密度(g/mL,25/4℃):未确定

3.       相对蒸汽密度(g/mL,空气=1):未确定

4.       熔点(ºC):209~210

5.       沸点(ºC,常压):未确定

6.       沸点(ºC,5.2kPa):未确定

7.       折射率:未确定

8.       闪点(ºC):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,25ºC):未确定

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: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:未确定

安全信息展开↓

海关代码:
2932209013
WGK_Germany:
3
德国有关水污染物质的分类清单
危险类别码:
R36/37/38:Irritating to eyes, respiratory system and skin .
安全说明:
S26-S36-S24/25
危险标志:
Xi

合成路线查看所有的合成路线

  • 117-08-8

    四氯苯二甲酸酐

  • ~87%

  • 27355-22-2

    四氯苯酞

  • 117-08-8

    四氯苯二甲酸酐

  • +

  • 64-19-7

    乙酸

  • 27355-22-2

    四氯苯酞

  • 60-29-7

    乙醚

  • +

  • 117-08-8

    四氯苯二甲酸酐

  • 27355-22-2

    四氯苯酞

化学图谱

  1. 四氯苯酞酸标准品质谱(MS)

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毒理性展开↓

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TI3870000
CHEMICAL NAME :
Phthalide, 4,5,6,7-tetrachloro-
CAS REGISTRY NUMBER :
27355-22-2
BEILSTEIN REFERENCE NO. :
0182477
LAST UPDATED :
199612
DATA ITEMS CITED :
13
MOLECULAR FORMULA :
C8-H2-Cl4-O2
MOLECULAR WEIGHT :
271.90
WISWESSER LINE NOTATION :
T56 BVO DHJ FG GG HG IG

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 :
20 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
85ARAE "Agricultural Chemicals," Thomson, W.T., 4 vols., Fresno, CA, Thomson Publications, 1976/77 revision Volume(issue)/page/year: 4,73,1976/1977
TYPE OF TEST :
LC - Lethal concentration
ROUTE OF EXPOSURE :
Inhalation
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
>4100 mg/m3
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: 15,311,1990
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
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: (36),32,1979
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
9780 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: (36),32,1979
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
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: (36),32,1979
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
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: (36),32,1979
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
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: (40),32,1982
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
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: (36),32,1979
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: (36),32,1979 ** OTHER MULTIPLE DOSE TOXICITY DATA **
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
273 gm/kg/13W-C
TOXIC EFFECTS :
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: 15,311,1990
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2190 gm/kg/2Y-C
TOXIC EFFECTS :
Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Nutritional and Gross Metabolic - weight loss or decreased weight gain Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases
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: 15,311,1990
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
546 gm/kg/13W-C
TOXIC EFFECTS :
Liver - other changes 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: 15,311,1990
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
4380 gm/kg/2Y-C
TOXIC EFFECTS :
Kidney, Ureter, Bladder - changes in bladder weight Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases
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: 15,311,1990
毒理学数据:

对大、小鼠急性经口LD50> 10000mg/kg,急性经皮LD50 > 10000mg /kg 。急性无作用剂量每天2000mg /kg ,最大安全浓度为2000mg /kg ,最小中毒浓度为10000mg /kg。鲤鱼LC50 > 135mg/L (320mg/L)  (48h)。对鸟低毒,对蜜蜂、家蚕低毒。

海关数据查看详细

中国海关编码:2932209013

概述:
2932209013 蝇毒磷,茴蒿素,溴敌隆,呋酰胺等〔包括四氯苯酞,畜虫磷〕。监管条件:S(进出口农药登记证明)。增值税率:17.0%。退税率:0.0%。最低关税:6.5%。普通关税:20.0%
摘要/Summary:
2932209013 4,5,6,7-tetrachloroisobenzofuran-1(3h)-one。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:0.0%。MFN tarrif:6.5%。general tariff:20.0%

分子结构与计算化学数据展开↓

分子结构数据


1、   摩尔折射率:355.13

2、   摩尔体积(cm3/mol):153.8

3、   等张比容(90.2K):426.4

4、   表面张力(dyne/cm):59.0

5、   极化率(10-24cm3):21.85

计算化学数据


1.疏水参数计算参考值(XlogP):无

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:0

5.互变异构体数量:无

6.拓扑分子极性表面积26.3

7.重原子数量:14

8.表面电荷:0

9.复杂度:260

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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