4-Nitrophenyl 4-guanidinobenzoate hydrochloride

4-胍基苯甲酸4-硝基苯酯盐酸盐

Also known as: NPGB, pNPGB, 4-Guanidinobenzoic acid 4-nitrophenylester hydrochloride, 4-Nitrophenyl 4-guanidinobenzoate hydrochloride, p-Nitrophenyl p'-guanidinobenzoate hydrochloride, p-Nitrophenyl 4-guanidinobenzoate hydrochloride, Nsc163801, MFCD00037010

4-Nitrophenyl 4-guanidinobenzoate hydrochloride (CAS 19135-17-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H13ClN4O4 and a molecular weight of 336.73000 g/mol. It is also known as NPGB, pNPGB and 4-Guanidinobenzoic acid 4-nitrophenylester hydrochloride. Key properties include a melting point of 241-243ºC, a boiling point of 559.7ºC at 760mmHg, a density of 1.44g/cm3 and a flash point of 292.3ºC. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 19135-17-2
Jingsj CID: J-1392495-3
Molecular Formula: C₁₄H₁₃ClN₄O₄
Chinese Name: 4-胍基苯甲酸4-硝基苯酯盐酸盐
Molecular Weight: 336.73000 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	241-243ºC
Boiling Point	559.7ºC at 760mmHg
Density	1.44g/cm3
Flash Point	292.3ºC

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 4-Nitrophenyl 4-guanidinobenzoate hydrochloride?

The CAS number of 4-Nitrophenyl 4-guanidinobenzoate hydrochloride is 19135-17-2.

What are the molecular formula and molecular weight of 4-Nitrophenyl 4-guanidinobenzoate hydrochloride?

4-Nitrophenyl 4-guanidinobenzoate hydrochloride has molecular formula C14H13ClN4O4 and molecular weight 336.73000 g/mol.

Is 4-Nitrophenyl 4-guanidinobenzoate hydrochloride hazardous?

4-Nitrophenyl 4-guanidinobenzoate hydrochloride has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4-Nitrophenyl 4-guanidinobenzoate hydrochloride (CAS 19135-17-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1392495-3 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.