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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 167780Generated: October 23, 2026

Copper(II) nitrate hemipentahydrate

COPPER (II) NITRATE · Cupric Nitrate, Reagent · CUPRIC NITRATE, HYDRATE · COPPER NITRATE, HYDRATE · PROTEINASE K 20MG/ML SOL. · Copper (II) Nitrate, flake · Copper Nitrate 2.5-hydrate · CUPRIC NITRATE, 2.5-HYDRATE

https://huagongshe.com/en/chemical/167780

Copper(II) nitrate hemipentahydrate molecular structure

Identifiers & Physical Properties

CAS No.19004-19-4
Molecular formulaCu2H10N4O17
Average molar mass465.19 g/mol
Monoisotopic mass463.86328986 g/mol
SMILESO.O.O.O.O.O=[N+]([O-])[O-].O=[N+]([O-])[O-].O=[N+]([O-])[O-].O=[N+]([O-])[O-].[Cu+2].[Cu+2]
InChIKeyIZDJJEMZQZQQQQ-UHFFFAOYSA-N
PubChem CID167780
EC No.606-197-5
DTXSIDDTXSID90172467

Chemical & Physical Properties

Topological polar surface area257
Hydrogen bond donors5
Hydrogen bond acceptors17
Rotatable bonds0
Heavy atoms23
Formal charge0
Complexity18.8
Chemical classesMetals -> Metals, Inorganic Compounds
Melting point115 °C114.5 °C (dec.)(lit.)
Physical DescriptionBlue odorless crystalsHygroscopic[Alfa Aesar MSDS]
Boiling point170°C
Density2.32
Flash point170°C
Physical statePowder/Solid
Specific gravity2.05
ColorBlue
SolubilitySoluble in water, ammonia and ethanol
SensitivityHygroscopic
Merck14,2643
Exposure limitsACGIH: TWA 1 mg/m3NIOSH: IDLH 100 mg/m3
Major applicationselectroplatingmaterial synthesis precursor
InChI1S/2Cu.4NO3.5H2O/c4*2-1(3)4/h5*1H2/q2*+24*-1
InChIKeyIZDJJEMZQZQQQQ-UHFFFAOYSA-N
SMILESO.O.O.O.O.[Cu++].[Cu++].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O
CAS DataBase Reference19004-19-4(CAS DataBase Reference)
UNSPSC Code12352302
NACRESNA.23
GHS pictogramGHS03,GHS05,GHS07,GHS09
Signal wordDanger
GHS hazard statementsH271-H290-H302-H314-H410
GHS precautionary statementsP210-P260-P280-P305+P351+P338-P370+P378-P371+P380+P375
Personal protective equipment (PPE)dust mask type N95 (US), Eyeshields, Gloves
Hazard symbolsO,C,N,Xn
Risk statements (R)8-22-34-50/53-41-38
Safety statements (S)17-26-36/37/39-45-61-60-39
UN transport numberUN 3085 5.1/PG 2
Water hazard class (WGK)2
RTECS numberQU7400000
TSCA inventory statusYes
Hazard class5.1Acute Tox. 4 OralAquatic Acute 1Aquatic Chronic 1Eye Dam. 1Met. Corr. 1Ox. Sol. 1Skin Corr. 1B
Packing groupIII
Customs code28342990
Storage class5.1A - Strongly oxidizing hazardous materials
Excepted quantitiesNot Permitted as Excepted Quantity

Safety & Regulations

GHS classificationThis chemical does not meet GHS hazard criteria for 5.7% (5 of 87) of reports.DangerH272 (93.1%): May intensify fireoxidizer [Danger Oxidizing liquidsOxidizing solids]P210, P220, P264, P264+P265, P270, P273, P280, P301+P317, P302+P352, P305+P351+P338, P305+P354+P338, P317, P321, P330, P332+P317, P337+P317, P362+P364, P370+P378, P391, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 87 reports by companies from 7 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatory informationChemical: Nitric acid, copper(2+) salt, hydrate (2:5)Nitric acid, copper(2+) salt, hydrate (2:5): Does not have an individual approval but may be used under an appropriate group standard
Hazards summaryAcute copper poisoning after ingestion can cause liver injury, methemoglobinemia, and hemolytic anemia. Acute renal failure may result, secondary to massive hemoglobinuria. [Goldfrank, p. 1259] oxidizer that may cause fire on contact with combustible materialsCauses burnsHarmful by ingestion[Alfa Aesar MSDS] See Copper. See NITRATES and NITRITES.
Hazard Classes and CategoriesOx. Sol. 2 (93.1%)
Exposure control and personal protection0.01 [mg/m3], respirable fraction (Cu, inorganic cmpnds)[German Research Foundation (DFG)]
Threshold Limit Values (TLV)1.0 [mg/m3], as Cu
Permissible Exposure Limit (PEL)1.0 [mg/m3], as Cu
Protective Action Criteria (PAC)0.15 [mg/m3]65 [mg/m3]390 [mg/m3]
Immediately Dangerous to Life or Health (IDLH)100.0 [mg/m3], as Cu
Adverse effectsOccupational hepatotoxin - Secondary hepatotoxins: the potential for toxic effect in the occupational setting is based on cases of poisoning by human ingestion or animal experimentation.
Personal protective equipment (PPE)dust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK)2
TSCA inventory statusYes
RTECS numberQU7400000
UN transport numberUN 3085 5.1/PG 2
Customs code28342990
Risk statements (R)8-22-34-50/53-41-38
Signal wordDanger
GHS pictogramGHS03,GHS05,GHS07,GHS09
Hazard symbolsO,C,N,Xn
Safety statements (S)17-26-36/37/39-45-61-60-39
Hazard class5.1Acute Tox. 4 OralAquatic Acute 1Aquatic Chronic 1Eye Dam. 1Met. Corr. 1Ox. Sol. 1Skin Corr. 1B
Storage class5.1A - Strongly oxidizing hazardous materials
Packing groupIII
GHS hazard statementsH271-H290-H302-H314-H410
Excepted quantitiesNot Permitted as Excepted Quantity
GHS precautionary statementsP210-P260-P280-P305+P351+P338-P370+P378-P371+P380+P375

Applications & Uses

Uses

Catalyst, nitrating agent for aromatic organosilicon compounds, nickel-plating baths, coloring copper black and producing a burnished effect on ironCopper(II) nitrate hemi(pentahydrate) is used for the catalytic oxidative coupling of 2,6-dimethylphenol to produce a polymer which is an important engineering material. Its solutions are used in textiles and polishing agents for other metals. It is commonly used in school laboratories to demonstrate chemical voltaic cell reactions.

Uses

Catalyzes oxidative coupling of 2,6-dimethylphenol to produce a polymer which is an important engineering material.

Uses

CUPRIC NITRATE HYDRATE is used in preparation of copper standard solutions.

General Description

Copper(II) nitrate hemi(pentahydrate) is an inorganic copper salt.