Ammonium sulfamate

Ammonium sulfamate[1]
Names
IUPAC name
Ammonium sulfamate
Other names
Ammonium sulphamate
Ammate herbicide[2]
Ammonium amidosulfonate[2]
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.028.974 Edit this at Wikidata
KEGG
RTECS number
  • WO6125000
UNII
  • InChI=1S/H3NO3S.H3N/c1-5(2,3)4;/h(H3,1,2,3,4);1H3 checkY
    Key: GEHMBYLTCISYNY-UHFFFAOYSA-N checkY
  • InChI=1/H3NO3S.H3N/c1-5(2,3)4;/h(H3,1,2,3,4);1H3
    Key: GEHMBYLTCISYNY-UHFFFAOYAI
  • [O-]S(=O)(=O)N.[NH4+]
Properties
[NH4]SO3NH2
Molar mass 114.125 g/mol
Appearance White solid
hygroscopic
Density 1.8 g/cm3
Melting point 131 °C (268 °F; 404 K)
Boiling point 160 °C (320 °F; 433 K) (decomposes)
very soluble
Solubility soluble in glycerol, glycol, formamide
slightly soluble in ethanol
insoluble in methanol, ether, n-octanol
Acidity (pKa) 6
Hazards
Occupational safety and health (OHS/OSH):
Main hazards
 Irritant
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
2
0
0
Flash point Non-flammable
Lethal dose or concentration (LD, LC):
2000 mg/kg (oral, rat)
3100 mg/kg (oral, mouse)
3900 mg/kg (oral, rat)
5760 mg/kg (oral, mouse)[3]
NIOSH (US health exposure limits):
PEL (Permissible)
 TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)[2]
REL (Recommended)
 TWA 10 mg/m3 (total) TWA 5 mg/m3 (resp)[2]
IDLH (Immediate danger)
 1500 mg/m3[2]
Safety data sheet (SDS) ICSC 1555
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

Ammonium sulfamate (or ammonium sulphamate) is a white crystalline solid, readily soluble in water. It is commonly used as a broad spectrum herbicide, with additional uses as a compost accelerator, flame retardant and in industrial processes.

  1. ^ ""+pageTitle+"". Archived from the original on 2007-10-13. Retrieved 2007-07-20. Chemical properties from Sigma-Adrich
  2. ^ a b c d e NIOSH Pocket Guide to Chemical Hazards. "#0030". National Institute for Occupational Safety and Health (NIOSH).
  3. ^ "Ammonium sulfamate". Immediately Dangerous to Life or Health Concentrations (IDLH). National Institute for Occupational Safety and Health (NIOSH).