ammonia

• ChemBase ID: 125808
• Molecular Formular: H3N
• Molecular Mass: 17.03052
• Monoisotopic Mass: 17.0265491
• SMILES: N
• Canonical SMILES: N
• InChI: InChI=1S/H3N/h1H3
• InChIKey: QGZKDVFQNNGYKY-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: ammonia
• IUPAC Traditional name: ammonia
• Synonyms: Hydrogen nitride; Trihydrogen nitride; Nitro-Sil; Ammonia; Ammonia; Ammonia solution; 氨; 氨 溶液

Database IDs

• CAS Number: 7664-41-7
• EC Number: 231-635-3
• MDL Number: MFCD00011418
• Beilstein Number: 3587154
• PubChem SID: 24864477; 24857750; 24865474; 24860942; 24873257; 162220155; 24864476
• PubChem CID: 222
• CHEBI ID: 16134
• CHEMBL: 1160819
• Chemspider ID: 217
• Gmelin ID: 79
• KEGG ID: D02916
• MeSH Name: Ammonia
• Unique Ingredient Identifier: 5138Q19F1X
• Wikipedia Title: Ammonia

CALCULATED PROPERTIES

• H Acceptors: 1
• H Donor: 1
• LogD (pH = 5.5): -3.7525723
• LogD (pH = 7.4): -2.4393091
• Log P: -0.978
• Molar Refractivity: 15.5149 cm^3
• Polarizability: 2.2600515 Å^3
• Polar Surface Area: 13.59 Å^2
• Rotatable Bonds: 0
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Solubility: 47% (0 °C); 31% (25 °C); 28% (50 °C) in water
• Apperance: Colourless gas with strong pungent odour
• Melting Point: -77.73°C; -78 °C(lit.)
• Boiling Point: -33 °C(lit.); -33.34°C; 50 °C; 60 °C
• Flash Point: 11 °C; 132 °C; 14 °C; -22 °F; 269.6 °F; 3 °C; -30 °C; 37.4 °F; 39.2 °F; 4 °C; 42.8 °F; 51.8 °F; 57.2 °F; 6 °C; flammable gas (see text)
• Auto Ignition Point: 1203 °F; 651 °C
• Density: 0.773 g/mL at 25 °C; 0.779 g/mL at 25 °C; 0.785 g/mL at 25 °C; 0.787 g/mL at 25 °C; 0.86 kg/m^3 (1.013 bar at boiling point); 0.73 kg/m^3 (1.013 bar at 15 °C); 681.9 kg/m^3 at -33.3 °C (liquid); 817 kg/m^3 at -80 °C (transparent solid); 0.881 g/mL at 25 °C; 1.023 g/mL at 25 °C
• Vapor Pressure: 11.73 psi ( 55 °C); 20.22 psi ( 55 °C); 4.16 psi ( 20 °C); 6.34 psi ( 20 °C); 8.75 atm ( 21 °C)
• Vapor Density: 0.6 (vs air)
• pKa: 32.5 (-33 °C), 10.5 (DMSO)
• pKb: 4.75
• Std enthalpy of formation: -46 kJ·mol^-1
• Std molar entropy: 193 J·mol^-1·K^-1

Safety Information

• RTECS: BO0875000
• European Hazard Symbols: Corrosive (C); Dangerous for the environment (N); Flammable (F); Nature polluting (N); Toxic (T); Toxic (T); Harmful (Xn)
• UN Number: 1005; 1165; 1170; 1219; 1992; 2056; 3286
• German water hazard class: 1; 2
• Hazard Class: 2.3; 3
• Packing Group: 2
• Risk Statements: 10-23-34-50; 11-19-20-36/37/38; 11-19-36/37-40-66; 11-20; 11-20-36; 11-23/24/25-34-39/23/24/25; 11-23/24/25-36/38-39/23/24/25; R10, R23, R34, R50
• Safety Statements: 16; 16-26; 16-26-29-33; 16-26-36/37; 16-26-36/37/39-45; 16-26-36/37-45; 9-16-26-36/37/39-45-61; S1/2, S9, S16, S26, S36/37/39, S45, S61
• EU Index: 007-001-00-5 (anhydrous); 007-001-01-2 (solutions)
• GHS Pictograms: GHS02; GHS04; GHS05; GHS06; GHS07; GHS08; GHS09
• GHS Signal Word: Danger
• NFPA704:
  

  1

  3

  0
• Permissible exposure limit: 50 ppm (25 ppm ACGIH- TLV; 35 ppm STEL)
• Explode Limits: 15–28%; 25 %
• GHS Hazard statements: 221, 280, 314, 331, 400; H221-H280-H314-H331-H400; H225-H301-H311-H314-H331-H370; H225-H315-H318; H225-H315-H318-H336; H225-H319-H335-H351
• GHS Precautionary statements: 210, 261, 273, 280, 305+351+338, 310; P210-P260-P280-P301 + P310-P305 + P351 + P338-P310; P210-P261-P273-P280-P305 + P351 + P338-P310; P210-P261-P280-P305 + P351 + P338; P210-P261-P281-P305 + P351 + P338; P210-P280-P305 + P351 + P338
• Personal Protective Equipment: Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter; Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US); Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter; Faceshields, Gloves, Goggles, half-mask respirator (US), multi-purpose combination respirator cartridge (US)
• RID/ADR: UN 1005 2.3; UN 1165 3/PG 2; UN 1170 3/PG 2; UN 1219 3/PG 2; UN 1992 3/PG 2; UN 2056 3/PG 2; UN 3286 3/PG 2
• Supplemental Hazard Statements: May form explosive peroxides., Repeated exposure may cause skin dryness or cracking.
• Storage Temperature: 2-8°C

Product Information

• Purity: ≥99.9%; ≥99.95%; ≥99.99%
• Concentration: 0.4 M in THF; 0.5 M in dioxane; 2.0 M in ethanol; 2.0 M in isopropanol; 2.0 M in methanol; 3.6-4.4 M (back titration with NaOH); 4 M in methanol; 7 N in methanol
• Grade: anhydrous; puriss.
• Impurities: ≤0.01% water; ≤0.1% water (Karl Fischer)
• Linear Formula: NH3

DETAILS

Sigma Aldrich - 718939

Packaging
100 mL in glass bottle
Application
Use of ammonia as:
• A phermone in anuran tadpoles1
• A nutrient in soil for plant nutrition2Studies of contributions of archaea and bacteria to the ammonia-oxidizing potential of soils3Interaction of ammonia and xenon with imidazole glycerol phosphate synthase from Thermotoga maritima4Metabolism of ammonia in Aedes aegypti fat body and midgut tissues5Used by ammonia-oxidizing bacteria6

Sigma Aldrich - 294993

Application
Reagent for chemical vapor deposition of TiN.1
Packaging
170 g in steel cylinder
Recommended products
Stainless steel control valves Z146951, Z187224 or either of stainless steel regulators Z148504 and Z148512 and a "T"-purge valve Z151661 is recommended.

Sigma Aldrich - 09684

Other Notes
Sales restrictions may apply
Packaging
Cylinder with net ~5.5 kg

Sigma Aldrich - 499145

Packaging
1 L in Sure/Seal™
100 mL in Sure/Seal™

Sigma Aldrich - 392685

Packaging
100, 800 mL in Sure/Seal™

Sigma Aldrich - 392693

Packaging
100, 800 mL in Sure/Seal™

Sigma Aldrich - 407666

Packaging
100, 800 mL in Sure/Seal™

Sigma Aldrich - 341428

Packaging
100, 800 mL in Sure/Seal™
20 L in steel drum
2 L in glass bottle
5 mL in glass bottle

Sigma Aldrich - 09682

Other Notes
Sales restrictions may apply
Packaging
Cylinder with net ~1 kg