操屁精品视频在线播放,黄色视频app下载,久草视频久草中文在线,日韩成人私密一级精品av

CREATE YOUR LISTING

Changzhou Welton Chemical Company

Main products: Biological Buffers ,Mops Buffer ,Pharmaceutical Intermediates

Home/Products/CAS NO. 150-13-0 Crosslinking Chemical Auxiliary Agent 4-Aminobenzoic Acid 99.5% MIN/

CAS NO. 150-13-0 Crosslinking Chemical Auxiliary Agent 4-Aminobenzoic Acid 99.5% MIN

Update time:2022-02-05 21:46:44
Price:Negotiable
Min Order:1 Metric Ton / Metric Tons
  • 7 days
  • T/T L/C D/P D/A
  • 0 Metric Ton / Metric Tons per Month

Basic Info

Brand NameChangzhou Welton Chemical Co., LtdPlace of OriginChina

Product Description


Product Description




Delivery Time:As per customer’s requirement
Certification:ISO9001, ISO14001

Specifications:























Product?name



4-Aminobenzoic?acid



CAS?No.



150-13-0



Appearance



White?crystalline?powder



Assay



≥99.5%



Melting?point



186-189℃



Loss?on?drying



≤0.2%



Ignition?residue



≤0.1%



Heavy?metal



≤20ppm



Volatile?diazotizable?substance



≤20ppm



Iron



≤40ppm



Description:


4-Aminobenzoic?acid,?99.5%MIN


CAS?No.:?150-13-0


EINECS?No.:?205-753-0


Molecular?formula:?C7H7NO2


Molecular?Weight:?137.14


Structural?formula:?


Synonyms:?P-Aminobenzoic?acid;?PABA;?4-Aminobenzoesaeure


Appearance:?white?crystalline?powder


Applications:


Dyestuff?and?pharmaceutical?intermediates.?


PABA?is?an?intermediate?in?the?synthesis?of?folate?by?bacteria,?plants,?and?fungi.


PABA?finds?use?mainly?in?the?biomedical?sector.?Other?uses?include?its?conversion?to?specialty?azo?dyes?and?


crosslinking?agents.


PABA?is?also?occasionally?used?in?pill?form?by?sufferers?of?irritable?bowel?syndrome?to?treat?its?associated?


gastrointestinal?symptoms.


Competitive?Advantage:


1. We?are?the?largest?manufacturer?of?4-Aminobenzoic?acid?in?China?with?more?than?12?years?of?


production and?export?history.


2. Based?on?our?years?of?experience?in?this?field,?we?take?pleasure?in?bringing?you?our?high?quality?and?


consistency?products?with?very?competitive?price,?prompt?delivery,?and?very?quick?response?service.


3.?Our?company?has?the?self-support?export?and?import?authority?and?our?factory?is?inspected?by?our?


valuable?and?honored?customers.



Recommended Products

Recently Viewed

Contact Us

  • Changzhou Welton Chemical Company

Copyright ? www.525022.com