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
    久久国产成人av| 日日碰日日摸日日澡视频播放| 中文字幕乱码免费视频| 岛国a香蕉片不卡在线观看| 日韩无码影视| 色老板一区二区视频| 99久久精品99999久久| 视频一区二区国产| 欧美二区三区| 亚洲欧美在线中文字幕不卡| 五月婷婷六月丁香综合图区 | 最新精品国偷自产在线| 亚洲日本va午夜在线电影| 亚洲av永久无码精品网站色欲| 欧美在线 | 亚洲| 国产乱子伦视频在线观看| 国产精品亚洲综合色区韩国| 内谢少妇xxxxx8老少交| 免费人成视频在线播放| 日本午夜免费福利视频| aaa少妇高潮大片免费看| 又大又黄又粗高潮免费| 永久黄网站色视频免费直播| 久久亚洲精品11p| 亚洲色婷婷六月亚洲婷婷6月| 国产一在线精品一区在线观看| 亚洲国产精品成人精品无码区在线| 欧美高清性色生活片免费观看| 国产欧美一区二区精品久久久| 黄色网站在线播放| 欧美日韩国产亚洲沙发| 波多野结衣网站| 亚洲精品沙发午睡系列| a级大胆欧美人体大胆666| 乱色精品无码一区二区国产盗| 国模无码一区二区三区| 国产在线国偷精品产拍| 国产在线精品一区二区| 免费无码AV片在线观看| 日韩欧美高清一区| 亚洲中文字幕久久无码精品|