中文字幕乱码一区av久久,无套内射视频囯产,一区二区福利在线视频

九九久久精品免费观看,蜜臀av午夜福利在线,后入内射无码人妻一区,六月婷婷精品视频在线观看,一区二区三区婷婷中文字幕,51精品免费视频国产专区,JIZZJIZZ国产,国产极品女主播国产区,亚洲一区二区三区国产精品 ,免费一看一级毛片

LOADING IMAGES

4-氨基苯甲酸乙酯

CAS號	94-09-7
規(guī)格	25kg/桶	純度	99%
貨號	南箭	貨期	需咨詢
品牌	南箭	庫存	需咨詢
規(guī)格	25kg/桶
純度	99%
貨號	南箭
貨期	---
品牌	南箭
庫存	---
注意：請務(wù)必與賣家聯(lián)系核實單價庫存，以確保您的資金安全及交易順利。
參考價：￥320.00 元/公斤

立即詢盤

貨號	品牌	純度	規(guī)格	參考價	貨期
南箭	南箭	99%	25kg/桶	￥320.00元/公斤	---

產(chǎn)品詳情

詳細信息(中文)：
用途
1.紫外線吸收劑。主要用于防曬類和曬黑類化妝品，對光和空氣的化學(xué)性穩(wěn)定，對皮膚安全，還具有在皮膚上成膜的能力。能有效地吸收U．V．B區(qū)域280-320μm 中波光線區(qū)域)的紫外線。添加量通常為4%左右。

2.本品為局部麻醉，用于創(chuàng)傷面、潰瘍面及痔瘡等止癢止痛，使用濃度5%~20%。也用作藥物合成和有機合成中間體。

苯唑卡因是一種脂溶性表面麻醉劑，與其它幾種局麻藥如利多卡因、地卡因等相比，其作用強度較小，因而在作用于粘膜時不會因麻醉作用而使人感到不適。它是一種脂溶性較強的藥物，故而易與粘膜或皮膚的脂層結(jié)合，但不易透過而進人體內(nèi)產(chǎn)生毒性。

苯唑卡因可作為奧索仿、奧索卡因、普魯卡因等前體原料；同時，它在醫(yī)藥上又用作局部麻醉劑，有止痛、止癢作用，主要用于創(chuàng)面、潰瘍面、粘膜表面和痔瘡麻醉止痛和癢癥，其軟膏還可用作鼻咽導(dǎo)管、內(nèi)突窺鏡等潤滑止痛。暫時緩解疼痛和瘙癢皮膚的不適，輕度燒傷、曬傷、創(chuàng)傷和昆蟲叮咬。耳用制劑被用來減輕急性充血性、濃性外耳炎、游泳耳炎的疼痛和瘙癢以及耳外用。對牙痛、咽喉痛、口腔潰瘍、各種痔瘡、肛裂、外陰瘙癢也是有效的，作為男性生殖器脫敏劑使射精緩慢?；蛴米鲗?dǎo)管和內(nèi)鏡管的麻醉潤滑劑。

詳細信息(英文)：
use

1. Ultraviolet absorbent. It is mainly used for sunblock and tanning cosmetics. It is chemically stable to light and air, safe to skin, and has the ability to form a film on the skin. It can effectively absorb the ultraviolet rays from the 280-320 meters in the U.V.B zone. The addition amount is usually about 4%.

2. This product is a local anesthetic, used for relieving itching and pain of wound surface, ulcer surface and hemorrhoids, with a concentration of 5%~20%. It is also used as an intermediate in drug synthesis and organic synthesis.

Compared with other local anesthetics such as lidocaine and diocaine, benzocaine is a kind of lipid soluble surface anesthetic. Its action intensity is relatively small, so it will not make people feel uncomfortable because of the anesthetic effect when it ACTS on the mucous membrane. It is a kind of fat soluble drug, so it is easy to combine with the mucous membrane or the skin's fat layer, but it is not easy to pass through and cause toxicity in the human body.

Benzocaine can be used as the precursor material of osodine, osokain and procaine. At the same time, it is also used in medicine as a local anesthetic, has analgesic, antipruritic effect, mainly used for wound, ulcer surface, mucosal surface and hemorrhoid anesthesia analgesic and itching, its ointment can also be used as a nasopharyngeal catheter, endoscopy and other lubrication analgesic. Temporary relief of pain and itching, minor burns, sunburn, trauma, and insect bites. Ear preparations are used to relieve the pain and itching of acute congestive, thick otitis exterioris, swimming otitis, and for external use. Toothache, sore throat, oral cavity ulcer, all kinds of hemorrhoids, anal fissure, vulva pruritus is also effective, as a male genital desensitization agent to make ejaculation slow. Or as anaesthetic lubricant for catheters and endoscopic tubes.

產(chǎn)品實物圖

產(chǎn)品百科查看更多

物理化學(xué)性質(zhì)
英文名	benzocaine
中文名	4-氨基苯甲酸乙酯
CAS號	94-09-7	溶解性	---
分子量	165.18900	熔點	88-90?°C
密度	1.17	沸點	172 °C (12.7517 mmHg)

商家信息

杭州昌儒化工有限公司

聯(lián)系人：蘇翔

號碼一： 153****

號碼二： ****

VIP企業(yè)默認展示聯(lián)系方式，非VIP企業(yè)僅限注冊登錄用戶可見

公司類型：研發(fā)型
成立時間：2019-11-13
所在地區(qū)：浙江省杭州市
注冊資本：300萬元

進入店鋪

推薦供應(yīng)商

產(chǎn)品：4-氨基苯甲酸乙酯

查看全部供應(yīng)商

手機號綁定

請輸入校驗碼

請選擇用戶類型

綁定企業(yè)