5-Chloro-2-nitroaniline

Also known as: 2-Amino-4-chloronitrobenzene, 2-Amino-4-chloro-nitrobenzene, 2-Nitro-5-chloroaniline, 2-amino-4-chloro-1-nitrobenzene, 3-amino-4-nitro-chlorobenzene, 4-chloro-2-amino-nitrobenzene, 5-Chloro-2-nitrobenzenamine, 5-chlor-2-nitroanilin, 5-chloro-2-nitro-phenylamine, Aniline, 5-chloro-2-nitro-, Benzenamine, 5-chloro-2-nitro-, EINECS 216-661-5, MFCD00007776

5-Chloro-2-nitroaniline (CAS 1635-61-6) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C6H5ClN2O2 and a molecular weight of 172.569 g/mol. Key properties include a melting point of 125-129 °C (dec.)(lit.), a boiling point of 323.4±22.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 149.4±22.3 °C. It is classified under GHS with signal word Danger and hazard statements H300, H310 and H330 — Fatal if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1635-61-6
Jingsj CID: J-30560-2
Molecular Formula: C₆H₅ClN₂O₂
Molecular Weight: 172.569 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	125-129 °C (dec.)(lit.)
Boiling Point	323.4±22.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	149.4±22.3 °C
Exact Mass	172.003952
PSA	71.84000
LogP	2.76
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.646

GHS Safety & Compliance

Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger

H300
H310
H330 — Fatal if inhaled
H373 — May cause damage to organs through prolonged exposure
H411 — Toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code	2921420090
Summary	HS:2921420090 aniline derivatives and their salts VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 5-Chloro-2-nitroaniline?

The CAS number of 5-Chloro-2-nitroaniline is 1635-61-6.

What are the molecular formula and molecular weight of 5-Chloro-2-nitroaniline?

5-Chloro-2-nitroaniline has molecular formula C6H5ClN2O2 and molecular weight 172.569 g/mol.

Is 5-Chloro-2-nitroaniline hazardous?

5-Chloro-2-nitroaniline has GHS signal word Danger and hazard statements H300; H310; H330 — Fatal if inhaled.

What are the upstream and downstream products of 5-Chloro-2-nitroaniline?

For 5-Chloro-2-nitroaniline, Upstream Products: N-(5-chloro-2-nitrophenyl)acetamide, 2,4-Dichloronitrobenzene, 4-Chloro-2-fluoronitrobenzene; Downstream Products: 1-[4-(3-Amino-4-nitrophenyl)piperazin-1-yl]ethanone, 5-Chloro-N-methyl-2-nitroaniline, 4-(Phenylthio)benzene-1,2-diamine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "5-Chloro-2-nitroaniline (CAS 1635-61-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30560-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.