足球球探比分|477777现场直播开奖记录21|大赢家比分_足球比分,即时比分比|捷报即时比分手机,竞彩足球让球胜平负,香港历史开奖记录查询表,中国竞彩网首页计算

Weinan Huifeng New Material Technology Co., Ltd.

4-Aminobenzoic acid

4-Aminobenzoic acid

appearance: white crystal powder
Purity: 98%
Structural formula:

【English name】p-aminobenzoic acid
【Relative molecular weight】137.14
【Density】1.374(25℃)
【Melting point (℃)】187~188
【CAS#】150-13-0
【EINECS#】 205-753-0
To use:
As intermediate of dyes and medical intermediate; for production of active red M-80, M-10B, active purple X-2R; as sun-screening agent


【Return】