P-Nitrobenzoic Acid (PNBA) CAS: 62-23-7

CAS: 62-23-7
HS Code: 29163990.90
Purity: 99.5%
Cov tsos mob: daj ntseg daj crystalline hmoov
Qauv: Muaj

Xa kev nug

Hauj lwm lawm

P-Nitrobenzoic Acid (PNBA) Daim Ntawv Teev Npe

Synonyms Lub Npe: 4-Nitrobenzoic Acid; 4-nitrodracylicacid; PNBA; Para Nitrobenzoic Acid

Cov mis mos molecular: C₇H₅TSIS MUAJ₄

Molecular Luj: 167.12

Cov ntaub ntawv dav dav:

4-Nitrobenzoic acid yog cov organic compound nrog cov mis C6H4(NO2)CO2H. Nws yog daj ntseg daj. Nws yog ib qho precursor rau 4-nitrobenzoyl chloride, lub precursor rau tshuaj loog procaine thiab folic acid. Nws kuj yog ib qho precursor rau 4-aminobenzoic acid.

Specification:

Qhov tshwm sim	daj ntseg daj crystalline hmoov
Cov ntsiab lus (%)	Ntau dua lossis sib npaug rau 99.5
Melting point (zeeg)	238-241
Moisture (%)	Tsawg dua lossis sib npaug rau 0.5
Ignition residues%	Tsawg dua lossis sib npaug rau 0.5
Gardner xim	Tsawg dua lossis sib npaug li 5.5

Daim ntawv thov:

4-Nitrobenzoic acid Cas 62-23-7 yog siv los ua qhov nruab nrab rau cov tshuaj ntau tshwj xeeb hauv kev tsim cov tshuaj folic acid thiab hauv kev tsim PABA, DABA & pigment lossis dye intermediate.