日韩久久视频_免费美女毛片视频_AV小电影地址_日韩精品一区二区av_成人av播放_中国黄色av一级片

日韩久久视频_免费美女毛片视频_AV小电影地址_日韩精品一区二区av_成人av播放_中国黄色av一级片

日韩久久视频_免费美女毛片视频_AV小电影地址_日韩精品一区二区av_成人av播放_中国黄色av一级片

Benzoic acid

Benzoic acid

Molecular formula: C7H6O2 

Molecular weight: 122.1214

CAS:65-85-0

Physical and chemical properties: mostly white prismatic crystal or powder. It has a melting point of 122.13℃, a boiling point of 249℃, and a relative density of 1.2659. At 100℃, it sublimates rapidly, and its vapor is highly irritating. Benzoic acid is slightly soluble in water, but easily soluble in ethanol, ether and other organic solvents.

Product uses:

1. Benzoic acid can be used as a preservative for food, feed, latex and toothpaste;

2. It can be used as a flavor-fixing agent for fruit juice drinks;

3. It can be used as a dye agent for dyeing and printing;

4. It can be used as plasticizer for plastics;

5. It can be used as an anti-microbial agent.

Storage method: Benzoic acid storage must stay away far from the fire and heat source. Use explosion-proof ventilation system and equipment to avoid dust, avoid contacting with oxidants, acids, alkali, and light unloading when handling.

Specification and execution standards:

Industrial grade

Food grade: GB 1886.183-2016

International standard: BP / USP / FCC / E210





?

日韩久久视频_免费美女毛片视频_AV小电影地址_日韩精品一区二区av_成人av播放_中国黄色av一级片
日本无码精品| 三级AV播放| 9久9国产精品| 欧美特级黄| 調教人妻玖玖玖玖玖玖| 美国av不卡播放| 91一级特黄大片| 日韩无码探花| 欧美性爱1| 精品福利av导航在线| 日韩特黄A片| 高清无码A片免费观看| 92无码| 大香焦伊人在线8| 超碰无码成人| 国产AⅤ日韩| www w毛片| 亚洲成a人片77| 日本a视频| 国产AV网网址| AV女天堂| A级黄色片网站| 一道本高清不卡AV| 91色色电影| 色主任A片| 日本AA级黄色| 男女性爱av| 久久激情肏屄视频| 日韩AV免费网站| 超级AV在线| 手机av在线免费播放| 在线资源av午夜| 国产淫秽AV| 欧美毛片视频在线观看| 亚洲人人av| 日韩成人裸体三级| 免费一级无码婬片A片| 高清av网| 色五月少妇| 伊人VS久久| 亚洲亚洲色干|