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Substance Name: Ammonia
RN: 7664-41-7
UNII: 5138Q19F1X
InChIKey: QGZKDVFQNNGYKY-UHFFFAOYSA-N

Note

  • Ammonia. A colorless alkaline gas. It is formed in the body during decomposition of organic materials during a large number of metabolically important reactions.

Molecular Formulas

  • H3-N
  • N-H3

Molecular Weight

  • 17.0307
 

Classification Codes

Classification Codes

  • Agricultural Chemical
  • Herbicide
  • Human Data
  • Mutation Data
  • Pharmaceutic Aid (Solvent and Source of Ammonia)
  • Tumor Data

Superlist Classification Codes

  • 2007 CERCLA Priority List, Rank: 157
  • 2011 CERCLA Priority List, Rank: 157
  • Reportable Quantity (RQ) = 100 lb
  • Threshold Planning Quantity (TPQ) = 500 lb
  • TWA (25 ppm); STEL (35 ppm)
  • TWA 50 ppm (35 mg/m3)

Names and Synonyms

Results Name

  • Ammonia

Name of Substance

  • Ammonia
  • Ammonia solution, strong [NF]

MeSH Heading

  • Ammonia

Synonyms

  • AM-Fol
  • Ammonia
  • Ammonia anhydrous
  • Ammonia gas
  • Ammonia solution, strong
  • Ammoniac
  • Ammoniac [French]
  • Ammoniaca
  • Ammoniaca [Italian]
  • Ammoniak
  • Ammoniak Kconzentrierter
  • Ammoniak [German]
  • Ammoniakgas
  • Amoniak
  • Amoniak [Polish]
  • Anhydrous ammonia
  • Caswell No. 041
  • CCRIS 2278
  • EC 231-635-3
  • EINECS 231-635-3
  • EPA Pesticide Chemical Code 005302
  • HSDB 162
  • Liquid Ammonia
  • Nitro-sil
  • R 717
  • Spirit of hartshorn
  • UN 1005 (anhydrous gas or >50% solution)
  • UN 2073 (>44% solution)
  • UN 2672 (between 12% and 44% solution)
  • UNII-5138Q19F1X

Systematic Names

  • Ammonia
  • Ammonia, anhydrous

Superlist Names

  • Ammonia
  • Ammonia (conc 20% or greater)
  • Ammonia (includes anhydrous ammonia and aqueous ammonia from water dissociable ammonium salts and other sources; 10% of total aqueous ammonia is reportable under this listing)
  • Ammonia, anhydrous
  • Ammonia, anhydrous, liquefied or ammonia solutions, relative density <0.880 at 15 C in water, with >50% ammonia
  • Ammonia, anhydrous, liquefied or ammonia solutions, relative density <0.880 at 15 C in water, with >50% ammonia [UN1005] [Nonflammable gas]
  • Ammonia, anhydrous, liquefied or ammonia solutions, relative density <0.880 at 15 C in water, with >50% ammonia [UN1005] [Poison gas, Corrosive]
  • UN1005

Registry Numbers

CAS Registry Number

  • 7664-41-7

FDA UNII

  • 5138Q19F1X

Other Registry Numbers

  • 1026405-88-8
  • 208990-07-2
  • 214478-05-4
  • 558443-52-0
  • 8007-57-6

System Generated Number

  • 0007664417

Structure Descriptors

InChI

1S/H3N/h1H3

InChIKey

QGZKDVFQNNGYKY-UHFFFAOYSA-N

Smiles

N

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
cat LC50 inhalation 7gm/m3/1H (7000mg/m3) BEHAVIORAL: EXCITEMENT

PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE)		 Journal of Industrial Hygiene and Toxicology. Vol. 26, Pg. 29, 1944.
human LCLo inhalation 5000ppm/5M (5000ppm)   Tabulae Biologicae. Vol. 3, Pg. 231, 1933.
human TCLo inhalation 20ppm (20ppm) SENSE ORGANS AND SPECIAL SENSES: ULCERATED NASAL SEPTUM: OLFACTION

SENSE ORGANS AND SPECIAL SENSES: CONJUNCTIVE IRRITATION: EYE

LUNGS, THORAX, OR RESPIRATION: STRUCTURAL OR FUNCTIONAL CHANGE IN TRACHEA OR BRONCHI		 Archiv fuer Gewerbepathologie und Gewerbehygiene. Vol. 13, Pg. 528, 1955.
mammal (species unspecified) LCLo inhalation 5000ppm/5M (5000ppm)   Naunyn-Schmiedeberg's Archiv fuer Experimentelle Pathologie und Pharmakologie. Vol. 138, Pg. 65, 1928.
man LDLo unreported 132mg/kg (132mg/kg)   "Poisoning; Toxicology, Symptoms, Treatments," 2nd ed., Arena, J.M., Springfield, IL, C.C. Thomas, 1970Vol. 2, Pg. 73, 1970.
man TDLo oral 15uL/kg (0.015mL/kg) GASTROINTESTINAL: CHANGE IN STRUCTURE OR FUNCTION OF ESOPHAGUS American Journal of Emergency Medicine. Vol. 3, Pg. 320, 1985.
mouse LC50 inhalation 4230ppm/1H (4230ppm) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: ATAXIA

BEHAVIORAL: TREMOR		 Federation Proceedings, Federation of American Societies for Experimental Biology. Vol. 41, Pg. 1568, 1982.
rabbit LC50 inhalation 7gm/m3/1H (7000mg/m3) PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE)

BEHAVIORAL: EXCITEMENT		 Journal of Industrial Hygiene and Toxicology. Vol. 26, Pg. 29, 1944.
rat LC50 inhalation 2000ppm/4H (2000ppm)   "Toxicology of Drugs and Chemicals," Deichmann, W.B., New York, Academic Press, Inc., 1969Vol. -, Pg. 607, 1969.