国产人妻人伦精品久久久_成年站免费网站看v片在线_午夜精品久久久久久久喷水_免费看成人aa片无码视频_国产一卡二卡精品乱码

Products

Chlorpyrifos

English generic name: chlorpyrifos
Alias: Eradex; Lorsban; Trichlorpyrphos
Chemical name: O,O-diethyl O-3,5,6-trichloro-2-pyridyl phosphorothioate
Molecular formula: C9H11C13NO3PS
Molecular weight: 350.5
Physical and chemical properties
White crystalline solid. Melting point 42.5-43 °C , 25°C , saturation vapor pressure 2.4X10-3Pa, 25 °C  water solubility 2mg / L, propanol 650g / L, benzene 190g / L, xylene 400mg / L, methanol 45g / L.
Industrial product has the odor like kerosene or turpentine. Insoluble in water, well soluble in benzene and ether.
Toxicity: Acute oral LD50, male rats 163mg/kg; female rats 135mg/kg. Acute dermal LD50 for free about 2000mg/kg. Chlorpyrifos is moderately pesticide. Mild irritation of eyes, significant irritation of skin. Prolong exposure will cause burn. No teratogenic, mutagenic and carcinogenic with test dose. Can be detoxified quickly in animal body. High toxicity to fish and aquatic animals. Toxic to bees.
Features: Chlorpyrifos has tag out, stomach toxicity and fumigation effect. It has short residue on leaf but long in soil. So it has good control of soil pests and phytotoxicity on tobacco.
Application scope: Suitable for chewing and sucking pests on rice, wheat, cotton, fruit trees, vegetables and tea. It is also suitable for city pests, such as 1% Shennong cockroach bait.
Matters need attention
1. No mixture with alkali pesticides. Avoid to use it during anthesis to protect bees.
2. Stop using before harvest.
3. Go to hospital for treatment when poisoned and inject atropine.

猫咪www免费人成人入口| 秋霞无码久久久精品| 伊人久久大香线蕉av色| 又污又爽又黄的网站| 亚欧色一区w666天堂| 国产欧美久久一区二区三区| 性饥渴的农村熟妇| 成人av一区二区在线| 国产成人啪精品视频免费软件| 免费看片a级毛片免费看| 夜爽8888视频在线观看| 亚洲精品在线中文字幕| 精品水蜜桃久久久久久久| 风韵丰满熟妇啪啪区老老熟妇 | 看全色黄大色黄大片 视频| 妺妺窝人体色www聚色窝| 国产人妖赵恩静在线视频| 无遮挡18禁啪啪免费观看| 国产中文字字幕乱码无限| 无码人妻一区二区三区线| 国产伦子沙发午休系列资源曝光| 日韩精品专区在线影院重磅| 好硬好湿好爽再深一点动态图视频 | 性色欲情网站| 日本最新一区二区高清| 国产午夜激无码av毛片| 内射后入在线观看一区| 男女做爰猛烈啪啪吃奶图片| 色综合色狠狠天天综合色| 成在人线av无码免费高潮喷水| 情侣黄网站免费看| 亚洲中文字幕无码久久| 天堂资源中文最新版在线一区| 亚洲一区二区三区小说| 在线看片人成视频免费无遮挡| 免费欧洲美女牲交视频| 国产乱子经典视频在线观看| 国产又粗又猛又黄又爽无遮挡| 亚洲人成精品久久久久| 国产卡一卡二卡三| 日韩精品免费无码专区|