欧美激情在线播放,复读生与应届生高考录取有区别吗 ,国产精品国产亚洲精品看不卡 ,初爱视频教程免费看

Hello! Welcome to Nanjing Runtime environmental protection technology Co., LTD

Service hotline 151 5182 2034
PRODUCTS

Current location:

Home > Product > Aromatic Acid > P-nitrobenzoic acid
P-nitrobenzoic acid
P-nitrobenzoic acid

Chemical name: p-nitrobenzoic acid
Chinese Name: 4 Nitrobenzoic acid
CAS No. : 62-23-7
Subformula: C7H5NO4
Subsize: 167.12

Service hotline 151 5182 2034

Structural formula:

Product description

Yellow crystalline powder, odorless, can sublimate. Slightly soluble in water, soluble in ethanol and other organic solvents. Flammable in case of open fire or high heat. Decomposition by heat. Intermediate for organic synthesis of medicine, dyes, veterinary drugs, photosensitive materials, etc. It can be obtained by oxidation of p-nitrotoluene.

Product index

appearance

Yellow-white crystal

content

P 99

Fusing point

239 ℃

moisture

0.5% or less
Typical characteristics

appearance

Yellow-white crystal

Store in a cool and dry place at 0-20℃

From date of delivery. 12 months

Product application

The product is the intermediate of organic synthesis of medicine, dyes, veterinary drugs, photosensitive materials and so on. It is used in the production of procaine hydrochloride, procaine amine hydrochloride, p-aminomethylbenzoic acid, folic acid, benzocaine, detoxification, cephalosporin v, p-aminobenzoyl glutamic acid, Benil, as well as the production of active bright red M-8B, active red purple X-2R, as well as filter, color film color modifier, metal surface rust remover, sunscreen, etc.




RECOMMEND
P-nitrobenzoic acid

Yellow crystalline powder, odorless, can sublimate. Slightly soluble in water......

Dioxazoline (RT-101)RT-101

RT-101 1, 3-bis (4, 5-dihydro2-oxazole) benzene (dioxazoline) is an important organic......

Hydroxyalkylamide RT-52

RT-52 CAS :6334-25-4 is a crosslinking curing agent for thermoplastic solid powder coatings......

NEWS
CONTACT US
151 5182 2034

Contact person:Manager An

Email:34400865@qq.com

Headquarters:No. 186-1, Jiangdong Middle Road, Jianye District, Nanjing

Production base:Shapotou Industrial Park, Zhongwei City, Ningxia

ONLINE MESSAGE

国产jizzjizz麻豆全部免费| 少妇被三个黑人4p到惨叫| 亚洲av无码专区国产精品麻豆| 亚洲国产日韩a在线欧美2020| 真实的国产乱xxxx在线| 久久久性色精品国产免费观看 | 99精产三产区区别| 中文字字幕在线中文乱码怎么设置| 男宠用下面叫醒公主h| 古代妓院做爰片120分钟| 故意穿暴露被强好爽h| 色偷偷国色天香在线观看免费视频| 中国人在线观看免费高清| 成人亚洲区无码偷拍12p| 曰曰摸日日碰夜夜爽歪歪| 曰批全过程免费视频在线观看| 色哟哟国产精品免费观看| 女口述第一次放进去的感受| 麻豆国产一区二区三区四区 | japanese酒醉侵犯| 军人的粗大h拔不出来| 黑人荫道bbwbbb大荫道| 厨房掀起少妇裙子挺进去| 日韩人妻精品一区二区三区视频| 故意短裙公交车被强好爽h| 猛烈h继攵禁忌h| 思思久久精品在热线热| 男人吃奶摸下挵进去好爽在线观 | 亚洲乱亚洲乱妇50p| 撒尿pissingvideos| 又粗又黄又爽视频免费看| 无码精油按摩潮喷在播放| 亚洲 成人 综合 另类 图区 | 精品无码黑人又粗又大又长av| 亚洲AV舒服丰满在线播放| 永久免费不卡在线观看黄网站| sm调教室虐男受调教h打开腿 | 大炕上的性满足| 婷婷大伊香蕉五月天视频| 丁香婷婷色五月激情综合深爱 | 939w乳液78w78w韩国|