cyanic acid

Modify Date: 2026-07-20 11:14:25

cyanic acid Structure
cyanic acid structure
Common Name cyanic acid
CAS Number 420-05-3 Molecular Weight 43.02470
Density 1.197g/cm3 Boiling Point 23.5ºC at 760mmHg
Molecular Formula CHNO Melting Point N/A
MSDS N/A Flash Point N/A

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name cyanic acid
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.197g/cm3
Boiling Point 23.5ºC at 760mmHg
Molecular Formula CHNO
Molecular Weight 43.02470
Exact Mass 43.00580
PSA 44.02000
Vapour Pressure 813mmHg at 25°C
Index of Refraction 1.37
InChIKey XLJMAIOERFSOGZ-UHFFFAOYSA-N
SMILES N#CO

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

HS Code 2915900090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2915900090
Summary 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

 cyanic acidBioassay

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This table contains target information, in‑vitro & in‑vivo assay data for this compound.

Name: Inhibition of human carbonic anhydrase 1 preincubated for 15 mins by stopped-flow CO2...
Source: ChEMBL
Target: Carbonic anhydrase 1
External Id: CHEMBL3767073
Name: Inhibition of recombinant Vibrio cholerae beta-carbonic anhydrase expressed in compet...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3767076
Name: Inhibition of Vibrio cholerae alpha-carbonic anhydrase preincubated for 15 mins by st...
Source: ChEMBL
Target: N/A
External Id: CHEMBL3767075
Name: Inhibition of human carbonic anhydrase 2 preincubated for 15 mins by stopped-flow CO2...
Source: ChEMBL
Target: Carbonic anhydrase 2
External Id: CHEMBL3767074
Name: Inhibition of human recombinant CA2 by stopped-flow CO2 hydration assay
Source: ChEMBL
Target: Carbonic anhydrase 2
External Id: CHEMBL1645695
Name: Inhibition of human carbonic anhydrase 1 preincubated for 15 mins by stopped-flow CO2...
Source: ChEMBL
Target: Carbonic anhydrase 1
External Id: CHEMBL3815891
Name: Inhibition of human recombinant CA6 by stopped-flow CO2 hydration assay
Source: ChEMBL
Target: Carbonic anhydrase 6
External Id: CHEMBL1645696
Name: Inhibition of Stylophora pistillata carbonic anhydrase by stopped-flow CO2 hydration ...
Source: ChEMBL
Target: Carbonic anhydrase
External Id: CHEMBL1645697
Name: Inhibition of Stylophora pistillata carbonic anhydrase 2 by stopped-flow CO2 hydratio...
Source: ChEMBL
Target: Carbonic anhydrase
External Id: CHEMBL1645698
Name: Inhibition of human recombinant CA7
Source: ChEMBL
Target: Carbonic anhydrase 7
External Id: CHEMBL860093
Total 26, Current Page 1 of 3
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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

methoxynitrile
HOCN
0NM
Isocyansaeure
Zyansaeure
cyano-alcohol
Cyansaeure
HO-C.equiv.N
Hydrogencyanate
hydroxidonitridocarbon

 cyanic acid | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the CAS number of cyanic acid?
A: CAS number of cyanic acid is 420-05-3.
Q: What English synonyms does cyanic acid have?
A: English synonyms of cyanic acid: methoxynitrile, HOCN, 0NM, Isocyansaeure, Zyansaeure, cyano-alcohol, Cyansaeure, HO-C.equiv.N, Hydrogencyanate, hydroxidonitridocarbon.
Q: What is the SMILES notation of cyanic acid?
A: SMILES notation of cyanic acid is N#CO.
Q: What are the upstream materials of cyanic acid?
A: Related upstream materials(CAS) of cyanic acid: 57-13-6;917-61-3;556-89-8;56-40-6;2812-77-3;590-28-3;75-13-8;107-97-1;302-72-7;471-47-6.
Q: What is the English name of cyanic acid?
A: The English name of cyanic acid is cyanic acid.
Q: What is the InChIKey of cyanic acid?
A: InChIKey of cyanic acid is XLJMAIOERFSOGZ-UHFFFAOYSA-N.
Q: What are the downstream products of cyanic acid?
A: Related downstream products(CAS) of cyanic acid: 605-99-2;598-94-7;55-21-0;462-60-2;2114-15-0;463-58-1;7664-41-7;5663-07-0;5329-14-6;51-79-6.
Q: What is the molecular weight of cyanic acid?
A: Molecular weight of cyanic acid is 43.02470.
Q: What is the boiling point of cyanic acid?
A: Boiling point of cyanic acid is 23.5ºC at 760mmHg.
Q: What is the molecular formula of cyanic acid?
A: Molecular formula of cyanic acid is CHNO.
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