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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 85504Generated: October 23, 2026

2-Chloro-5-nitrobenzonitrile

2-chlor-5-nitrobenzonitril · 2-chlor-5-nitrobenzonitrile · 4-Chloro-3-cyanonitrobenzene · 2-chloro-5-nitro-benzonitril · 2-CHLORO-5-NITROBENZONITRILE · 5-Nitro-2-chlorobenzonitrile · 2-Chloro-5-nitrobenzenenitrile · BENZONITRILE, 2-CHLORO-5-NITRO-

https://huagongshe.com/en/chemical/85504

2-Chloro-5-nitrobenzonitrile molecular structure

Identifiers & Physical Properties

CAS No.16588-02-6
Molecular formulaC7H3ClN2O2
Average molar mass182.56 g/mol
Monoisotopic mass181.98830502 g/mol
SMILESN#Cc1cc([N+](=O)[O-])ccc1Cl
InChIKeyZGILLTVEEBNDOB-UHFFFAOYSA-N
PubChem CID85504
ChEMBLCHEMBL52706
EC No.240-643-6
DTXSIDDTXSID70937137

Chemical & Physical Properties

XLogP2.2
Topological polar surface area69.6
Hydrogen bond donors0
Hydrogen bond acceptors3
Rotatable bonds0
Heavy atoms12
Formal charge0
Complexity229
Melting point105-107 °C (lit.)
Boiling point122 °C / 0.6mmHg
Density1.6133 (rough estimate)
Refractive index1.5557 (estimate)
Storage conditionsSealed in dry,Room Temperature
Physical statepowder to crystal
ColorWhite to Orange to Green
BRN1818642
InChIInChI=1S/C7H3ClN2O2/c8-7-2-1-6(10(11)12)3-5(7)4-9/h1-3H
InChIKeyZGILLTVEEBNDOB-UHFFFAOYSA-N
SMILESC(#N)C1=CC([N+]([O-])=O)=CC=C1Cl
CAS DataBase Reference16588-02-6(CAS DataBase Reference)
UNSPSC Code12352100
NACRESNA.22
GHS pictogramGHS07
Signal wordWarning
GHS hazard statementsH312+H332-H315-H319-H335
GHS precautionary statementsP261-P264-P280-P302+P352+P312-P304+P340+P312-P305+P351+P338
Target organsRespiratory system
Personal protective equipment (PPE)dust mask type N95 (US), Eyeshields, Gloves
Hazard symbolsXn,Xi
Risk statements (R)20/21/22-36/37/38
Safety statements (S)26-37/39-36
UN transport number3276
Water hazard class (WGK)3
RTECS numberDI3040000
Hazard classIRRITANTAcute Tox. 4 DermalEye Irrit. 2Skin Irrit. 2STOT SE 3
Customs code29269090
Storage class11 - Combustible Solids

Safety & Regulations

GHS classificationWarningH312 (87%): Harmful in contact with skin [Warning Acute toxicity, dermal]P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 46 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Hazard Classes and CategoriesAcute Tox. 4 (87%)
Personal protective equipment (PPE)dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK)3
RTECS numberDI3040000
UN transport number3276
Customs code29269090
Risk statements (R)20/21/22-36/37/38
Signal wordWarning
GHS pictogramGHS07
Hazard symbolsXn,Xi
Safety statements (S)26-37/39-36
Hazard classIRRITANTAcute Tox. 4 DermalEye Irrit. 2Skin Irrit. 2STOT SE 3
Storage class11 - Combustible Solids
Target organsRespiratory system
GHS hazard statementsH312+H332-H315-H319-H335
GHS precautionary statementsP261-P264-P280-P302+P352+P312-P304+P340+P312-P305+P351+P338

Applications & Uses

Uses

2-Chloro-5-nitrobenzonitrile was used in online detection of rat glutathione S-transferase P1-specific inhibitors by high-resolution screening technology.

General Description

2-Chloro-5-nitrobenzonitrile effectively conjugates with rat glutathione S-transferase (GST) isoenzymes and is an alternative model substrate in GST-research.