Cyanamide

CAS 420-04-2CH2N2MW 42.040

Cyanamide (CAS 420-04-2) — formula CH2N2, molecular weight 42.040.

Product Overview

CAS Number	420-04-2
Molecular Formula	CH2N2
Molecular Weight	42.040
Melting Point	113 °F (NIOSH, 2024)
Boiling Point	83
LogP	-0.3
Applications	Intermediate, Used in the organic synthesis of dicyandiamide in melamine manufacturing, also used in fumigants, metal cleaners, ore refining, and synthetic rubber production

Applications

Documented applications: Intermediate, Used in the organic synthesis of dicyandiamide in melamine manufacturing, also used in fumigants, metal cleaners, ore refining, and synthetic rubber production.

Technical Profile

What this product is

Cyanamide is a chemical compound with CAS registry number 420-04-2 and molecular formula CH2N2 (molecular weight 42.040).

Identification

CAS number: 420-04-2

Its molecular formula CH2N2 comprises 1 C, 2 H, 2 N atoms.

Also known as: Cyanamide · 氰胺

Frequently Asked Questions

What is the CAS number of Cyanamide?

The CAS registry number of Cyanamide is 420-04-2.

What is the molecular formula and molecular weight of Cyanamide?

Molecular formula CH2N2, molecular weight 42.040.

What other names is Cyanamide known by?

It is also registered under: Cyanamide, 氰胺.

What are the documented applications of Cyanamide?

Recorded applications: Intermediate, Used in the organic synthesis of dicyandiamide in melamine manufacturing, also used in fumigants, metal cleaners, ore refining, and synthetic rubber production.

PubChem Public Data

Independent reference data for Cyanamide (CAS 420-04-2), compiled from public chemistry databases.

Registry identifiers across databases

CAS Registry Number	420-04-2
PubChem CID	9864
Molecular formula	CH2N2
IUPAC name	cyanamide
UNII (FDA)	21CP7826LC

Computed descriptors

Molecular Weight	42.040
XLogP3	-0.3
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	2
Rotatable Bond Count	0
Exact Mass	42.021798072
Monoisotopic Mass	42.021798072
Topological Polar Surface Area	49.8
Heavy Atom Count	3

Physicochemical values on record

Boiling Point	83
Boiling Point	140 °C at 19 mm Hg
Boiling Point	at 0.067kPa: 83 °C
Melting Point	113 °F (NIOSH, 2024)
Melting Point	44
Melting Point	45-46 °C
Melting Point	44 °C
Melting Point	113 °F
Melting Point	45.56 °C
Flash Point	286 °F (NIOSH, 2024)

Documented uses on record

Synonyms and trade names

CYANAMIDE; 420-04-2; Hydrogen cyanamide; Amidocyanogen; Carbamonitrile; Cyanoamine; aminoformonitrile; Cyanogenamide; Alzogur; Cyanogen nitride; N-Cyanoamine; TsAKS; NH2CN; USAF EK-1995; NSC 24133; Carbodiamide

GHS hazard classification

Reported hazard statements	H301, H311, H314, H317, H318, H351, H373, H412

H301: Toxic if swallowed [Danger Acute toxicity, oral]

H311: Toxic in contact with skin [Danger Acute toxicity, dermal]

What the public record says

Cyanamide · CAS 420-04-2 · CH2N2. UNII 21CP7826LC. Boiling Point: 83; Boiling Point: 140 °C at 19 mm Hg; Boiling Point: at 0.067kPa: 83 °C.

Physical description and handling notes

Source: PubChem / Wikidata; the batch COA governs where values differ.

Cyanamide

Product Overview

Applications

Technical Profile

What this product is

Identification

Frequently Asked Questions

PubChem Public Data

Registry identifiers across databases

Computed descriptors

Physicochemical values on record

Documented uses on record

Synonyms and trade names

GHS hazard classification

What the public record says

Physical description and handling notes

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