4-Aminobenzoic Acid (PABA) CAS 150-13-0 Purity > 99.0% (HPLC) (T) Hoobkas USP
Shanghai Ruifu Chemical Co., Ltd. yog cov chaw tsim khoom thiab cov chaw muag khoom ntawm 4-Aminobenzoic Acid (PABA) (CAS: 150-13-0) nrog cov khoom zoo.Peb tuaj yeem muab COA, xa khoom thoob ntiaj teb, me me thiab ntau ntau.Yog tias koj txaus siab rau cov khoom no, thov xa cov ncauj lus kom ntxaws suav nrog CAS naj npawb, cov khoom npe, kom muaj nuj nqis rau peb.Please contact: alvin@ruifuchem.com
Tshuaj npe | 4-Aminobenzoic acid |
Synonyms | PABA;p-Aminobenzoic acid;Para-Aminobenzoic acid;p-Amino Benzoic acid;H-4-Abz-OH;para-Anthranilic acid;Vitamin Bx;Vitamin H1 |
CAS Nr | 150-13-0 ib |
Tshuag xwm txheej | Hauv Tshuag, Muaj Peev Xwm Ntau Lawm 40 Tons ib Hlis |
Molecular Formula | C7H7NO2 |
Molecular Luj | 137.14 Nws |
Melting Range | 186.0 ~ 189.0 ℃ |
Qhov ntom | 1.374 g / mL ntawm 25 ℃ (lit.) |
rhiab heev | Lub teeb Sensitive, Cua Sensitive |
Solubility hauv dej kub | Yuav luag Transparency |
Solubility hauv dej | Xyaum Insoluble hauv dej, 6 g / l 25 ℃ |
Solubility | Soluble hauv Methanol, Cawv, Ether.Me ntsis Sol.hauv Benzene |
Hazard Codes | Xn, Xis |
Risk Statements | 22-36/37/38-43 ib |
Cov lus hais txog kev nyab xeeb | 26-36-37/39 ib |
WGK Germany | 3 |
TSCA | Yog lawm |
HS Code | 292249 5 |
Hom | Ruifu Tshuaj |
Yam khoom | Specifications |
Qhov tshwm sim | Dawb Crystalline hmoov los yog tsis muaj xim muaju |
Kev txheeb xyuas | IR yuav tsum ua raws li Daim Ntawv Qhia Txog Tus Txheej Txheem spectrum |
Kev txheeb xyuas | UV yuav tsum ua raws li Cov Qauv Txheej Txheem spectrum |
Purity / Analysis Method | > 99.0% (HPLC) |
Purity / Analysis Method | > 99.0% (Neutralization Titration) |
Melting Range | 186.0 ~ 189.0 ℃ |
Volatile Diazoizable Tshuaj | ≤0.002% |
Poob rau ziab | ≤ 0.20% |
Residue ntawm Ignition | ≤0.10% |
Arsenic (As) | ≤ 2ppm |
Hnyav Hlau | ≤0.002% |
Ordinary Impurities | Kev pom kev |
Tag Nrho Phaj suav | ≤1000cfu / g |
Poov thiab Pwm | ≤100cfu / g |
Salmonella | Tsis zoo |
E. Coli | Tsis zoo |
Infrared Spectrum | Raws li tus qauv |
Test Standard | Tebchaws Asmeskas Pharmocopoeia (USP) |
Kev siv | Pharmaceutical Intermediates |
Pob: Lub raj mis, Aluminium ntawv ci hnab, 25kg / Cardboard Nruas, los yog raws li tus neeg yuav tsum tau muaj.
Cia txias:Khaws rau hauv cov thawv ntim khoom ntawm qhov chaw txias thiab qhuav;Tiv thaiv los ntawm lub teeb, noo noo.
Kev ruaj ntseg:ruaj khov.Incompatible nrog muaj zog oxidizing neeg sawv cev.Hluav taws kub.Sensitive rau lub teeb thiab huab cua.Tej zaum yuav discolor thaum raug rau lub teeb.
4-Aminobenzoic Acid (CAS 150-13-0, tseem hu ua para-Aminobenzoic Acid los yog PABA vim hais tias tus naj npawb 4 carbon nyob rau hauv lub nplhaib benzene kuj hu ua para txoj hauj lwm) ua raws li gastric acid secretion inhibitor.Nws yog ua haujlwm ua ib qho nruab nrab hauv kev sib txuas ntawm folate (Vitamin BX), azo dyes thiab cross linking agents.Nws tseem muaj txiaj ntsig zoo hauv biomedical sector rau kev npaj tshuaj loog hauv zos thiab tshuaj pleev.Nws yog dav siv nyob rau hauv kev lag luam los ua tshuaj cov khoom, flavors thiab preservatives.Nws yog nquag koom tes ua cov khoom tiv thaiv UV-thaiv hauv cov tshuaj pleev ib ce hnub ci.