久久99精品国产99久久6尤,国产成人精品综合网站,18国产精品白浆在线观看免费,久久成人无码视频,日本欧美不卡一区二区三区在线,欧美又黄又粗又爽免费看,欧美视频一区二区,免费人妻精品一区二区三区四区,狠狠色狠狠色综合网,97色伦图片7778久久

  • <strike id="i6ace"><input id="i6ace"></input></strike><fieldset id="i6ace"></fieldset>
  • <ul id="i6ace"><dfn id="i6ace"></dfn></ul>
  • <del id="i6ace"><dfn id="i6ace"></dfn></del>

     
    Location:Home >>Product >>Intermediate

    Tosyl chloride

    Update time:2021/11/02 09:10:11  ???View:  
    P-toluenesulfonyl chloride (CAS: 98-59-9), Chinese alias 4-methylbenzenesulfonyl chloride, p-toluenesulfonyl chloride (PTSC), p-toluenesulfone chloride, 4-toluenesulfonyl chloride, 4-toluenesulfonyl chloride, Toluene-4-sulfonyl chloride. White flake crystals. Easily soluble in alcohol, ether and benzene, but insoluble in water.
     
    Affect the environment
    1. Health hazards
    Invasion route: inhalation, ingestion, transdermal absorption.
    Health hazards: This product is irritating to the skin and mucous membranes, and causes delayed deep herpes and allergic reactions. Long-term exposure can cause headache, tingling sensation, nausea, vomiting, loss of appetite, stomach pressure, gastroenteritis and other symptoms.
    2. Toxicological information and environmental behavior
    1. Dangerous characteristics: it is combustible in case of open flame and high heat. Decomposition by high heat liberates toxic gases. Contact with strong oxidants can cause chemical reactions.
    2. Combustion (decomposition) products: carbon monoxide, carbon dioxide, sulfur oxide, hydrogen chloride.
    3. On-site emergency monitoring method
    4. Laboratory monitoring methods
    5. Environmental standards
    6. Emergency treatment methods
    Emergency method
    Emergency response to leakage
    Isolate the leaking contaminated area and restrict access. Cut off the fire source. It is recommended that emergency personnel wear self-contained breathing apparatus and general work clothes. Do not directly touch the leakage. A small amount of leakage: mix with sand, dry lime or soda ash. Place in a bag and transfer to a safe place. A large amount of leakage: collect and recycle or transport to waste disposal sites for disposal.
    Protection measures
    Respiratory protection: wear self-priming filter dustproof mouthpieces when you may be exposed to its dust. During emergency rescue or evacuation, air respirators should be worn.
    Eye protection: wear chemical safety glasses.
    Body protection: wear protective overalls.
    Hand protection: wear rubber gloves.
    Others: After work, take a shower and change clothes. Store clothes contaminated by poisons separately and wash them for later use. Maintain good hygiene. [2]
    First aid measures
    Skin contact: Take off contaminated clothing immediately, and rinse the skin thoroughly with soap and water. Seek medical attention.
    Eye contact: Lift the eyelid and rinse with running water or normal saline. Seek medical attention.
    Inhalation: quickly leave the scene to a place with fresh air. Keep the airway unobstructed. If breathing is difficult, give oxygen. If breathing stops, give artificial respiration immediately. Seek medical attention.
    Ingestion: Drink enough warm water, induce vomiting, and seek medical attention.
    Fire extinguishing method: Fire extinguishing agent: dry powder, carbon dioxide, sand. Water is forbidden.
    Synthesis method
    Toluene sulfonation method
    Toluene is reacted with chlorosulfonic acid, and the reaction product can be obtained by vacuum distillation or freezing crystallization.
    Sodium toluenesulfonate chlorination method
    Toluene and concentrated sulfuric acid are reacted with thionyl chloride for acylation, and the reaction product is distilled under reduced pressure to obtain the product.
    ------分隔線----------------------------

    Service Hotline:

    You only need a phone call, we will serve you attentively

    Consult now
    Copyright © Shandong Zhengji Chemical Co., Ltd.  All Rights Reserved   Case Number :魯ICP備20007847號(hào)-4 chemBlink Premium Supplier
    精品亚洲麻豆1区2区3区| 久久久国产精品| 丰满少妇内射一区| 国内精品人妻无码久久久影院导航| 粉嫩极品国产在线观看| 欧美乱妇高清无乱码在线观看| 天天做天天摸天天爽天天爱| 国产三级精品三级在线专区| 午夜AV内射一区二区三区红桃视| 中文字幕亚洲乱码熟女一区二区 | 性奴sm虐辱暴力视频网站| 秋霞在线视频| 少妇高潮喷水惨叫久久久久电影| 国产高清乱码又大又圆| 亚洲人成无码www久久久| 韩国19禁无遮挡啪啪无码网站| 亚洲精品v天堂中文字幕| 97免费公开在线视频 | 亚洲午夜无码av毛片久久 | 一本久久道| 大肉大捧一进一出好爽视频动漫| 国内精品中文字幕| 无码网站天天爽免费看视频| 欧美日韩精品视频一区二区三区 | 丰满少妇又爽又紧又丰满在线观看| 99国产精品99久久久久久| 精品成人免费一区二区| 亚洲精品欧美在线| 国产精品高清久久久久久久| 亚洲av无码国产精品永久一区 | 草莓视频国产片在线观看| 97精品伊人久久大香线蕉| 国产V亚洲V天堂无码网站| 综合网日日天干夜夜久久| 自拍偷在线精品自拍偷无码专区 | 亚洲av无码精品色午夜蛋壳| 亚洲av色香蕉一区二区| 国产精品美女www爽爽爽视频| 小鲜肉自慰网站| 色婷婷五月天| 一二三四视频社区在线|