Formamide

Description

Formamide · CAS 75-12-7 · CH3NO. UNII 4781T907ZS. Boiling Point: 210.5 °C @ 760 mm Hg; Boiling Point: 220 °C @760 [mm Hg]; Melting Point: 36.5 °F (NTP, 1992).

Identification

CAS Registry Number	75-12-7
PubChem CID	713
Molecular formula	CH3NO
IUPAC name	formamide
UNII (FDA)	4781T907ZS

Computed Descriptors

Molecular Weight	45.041
XLogP3	-0.8
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	0
Exact Mass	45.021463719
Monoisotopic Mass	45.021463719
Topological Polar Surface Area	43.1
Heavy Atom Count	3
Formal Charge	0

Physical & Chemical Properties

Boiling Point	210.5 °C @ 760 mm Hg
Boiling Point	220 °C @760 [mm Hg]
Melting Point	36.5 °F (NTP, 1992)
Melting Point	2.55 °C
Melting Point	2.5 °C
Melting Point	37 °F
Flash Point	310 °F (NTP, 1992)
Flash Point	310 °F
Flash Point	120 °C c.c.
Flash Point	(oc) 310 °F

Physical description & handling notes

• Formamide appears as a colorless liquid with a faint odor of ammonia. Denser than water. Freezing point 36 °F. (USCG, 1999)
• Liquid
• Colorless, oily liquid. [Note: A solid below 37 degrees F.]; [NIOSH]
• COLOURLESS HYGROSCOPIC VISCOUS LIQUID.
• Colorless, oily liquid with a light ammonia-like odor.
• Colorless, oily liquid. [Note: A solid below 37 °F.]

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
GHS notification summary	0.3% (1 / 388)

GHS Hazard Classification

GHS notification summary	0.3% (1 / 388)
Reported hazard statements	H351 (52.1%), H360 (82.5%), H373 (52.1%), H290, H336, H320, H316

Documented Uses

• Used as a chemical intermediate and ionizing solvent; also used as a softener for glues, gums, and paper; [ACGIH]
• Pulp and Paper Processing [Category: Industry]
• Working with Glues and Adhesives [Category: Other]
• Manufacture of formic esters and hydrocyanic acid by catalytic dehydration.
• Intermediate in organic synthesis.
• Softener for paper, animal glues, water soluble glues.

Synonyms

formamide; 75-12-7; Methanamide; carbamaldehyde; Formimidic acid; Formic acid, amide; Methanoic acid, amide; DTXSID8025337; Amid kyseliny mravenci; NSC-748; 4781T907ZS; DTXCID805337; CHEBI:16397; CHEBI:48431; RefChem:5841; 200-842-0

Frequently Asked Questions

What are the CAS number and molecular formula of Formamide?

CAS 75-12-7; molecular formula CH3NO; molecular weight — g/mol.

What other names is Formamide known by?

formamide, 75-12-7, Methanamide, carbamaldehyde, Formimidic acid, Formic acid, amide.

What is the regulatory status of Formamide?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is Formamide classified as hazardous?

0.3% of GHS notifications report no hazard classification (1 of 388).

What are the key physical properties of Formamide?

Boiling Point: 210.5 °C @ 760 mm Hg; Boiling Point: 220 °C @760 [mm Hg]; Melting Point: 36.5 °F (NTP, 1992); Melting Point: 2.55 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.