Ammonium sulfamate

Description

Ammonium sulfamate · CAS 7773-06-0 · H3NO3S.H3N. UNII 945C6IU09L. Boiling Point: 160 °C; Melting Point: 268 °F (USCG, 1999); Melting Point: 131 °C.

Identification

CAS Registry Number	7773-06-0
PubChem CID	24482
Molecular formula	H3NO3S.H3N
IUPAC name	azanium sulfamate
UNII (FDA)	945C6IU09L

Computed Descriptors

Molecular Weight	114.13
Hydrogen Bond Donor Count	2
Hydrogen Bond Acceptor Count	4
Rotatable Bond Count	0
Exact Mass	114.00991323
Monoisotopic Mass	114.00991323
Topological Polar Surface Area	92.6
Heavy Atom Count	6
Formal Charge	0
Complexity	79.2

Physical & Chemical Properties

Boiling Point	160 °C
Melting Point	268 °F (USCG, 1999)
Melting Point	131 °C
Melting Point	268 °F
Solubility	200 % (NIOSH, 2024)
Solubility	Sol in water = 103 g/100 g @ 25 °C
Solubility	200%
Density	Sp. Gr. = 1.77
Density	1.77
Density	1.77 no temp

Physical description & handling notes

• Ammonium sulfamate is a white crystalline solid. It is soluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment. It is used to flameproof fabrics and papers, in weed or brush killing products, and for other uses.
• Liquid
• Colorless to white crystalline, odorless solid. [herbicide]; [NIOSH] Deliquescent; [CHEMINFO]
• COLOURLESS-TO-WHITE HYGROSCOPIC CRYSTALLINE POWDER.
• Colorless to white crystalline, odorless solid.
• Colorless to white crystalline, odorless solid. [herbicide]

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS
GHS notification summary	53.7% (151 / 281)

GHS Hazard Classification

GHS notification summary	53.7% (151 / 281)
Reported hazard statements	H302 (46.3%), H400 (13.9%), H303, H316, H319, H335, H336

Documented Uses

• Used to kill trees, herbaceous perennials, and annual broadleaf weeds; [EXTOXNET]
• Du Pont discontinued manufacture in 1988. [EXTOXNET]
• Manufacturer of fire-retardant compositions, for flame-proofing textiles and paper products; manufacture of weed killing compositions; in electroplating solution; for generation of nitrous oxide gas.
• For more Uses (Complete) data for AMMONIUM SULFAMATE (9 total), please visit the HSDB record page.
• Prepared by neutralizing sulfamic acid with ammonium hydroxide.
• 42% AS A HIGHWAY HERBICIDE; 38% FOR INDUSTRIAL, COMMERCIAL, & INSTITUTIONAL GENERAL MAINTENANCE OF GROUNDS; 10% BY UTILITIES; & 10% IN WATER MANAGEMENT (1972)

Synonyms

AMMONIUM SULFAMATE; 7773-06-0; Ammate; Ikurin; Ammonium sulfamidate; Feliderm K; Monoammonium sulfamate; Ammate X; Ammonium amidosulfonate; Sulfamic acid, monoammonium salt; Ammonium amidosulphate; AMS (salt); Fyran J 3; Ammonium aminosulfonate; Sulfaminsaure; Fyran 200 K

Frequently Asked Questions

What are the CAS number and molecular formula of Ammonium sulfamate?

CAS 7773-06-0; molecular formula H3NO3S.H3N; molecular weight — g/mol.

What other names is Ammonium sulfamate known by?

AMMONIUM SULFAMATE, 7773-06-0, Ammate, Ikurin, Ammonium sulfamidate, Feliderm K.

What is the regulatory status of Ammonium sulfamate?

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

Is Ammonium sulfamate classified as hazardous?

53.7% of GHS notifications report no hazard classification (151 of 281).

What are the key physical properties of Ammonium sulfamate?

Boiling Point: 160 °C; Melting Point: 268 °F (USCG, 1999); Melting Point: 131 °C; Melting Point: 268 °F.

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.