Ammonia

Melting point :−77.73 °C (−107.91 °F; 195.42 K) (Triple point at 6.060 kPa, 195.4 K)
Boiling point :−33.34 °C (−28.01 °F; 239.81 K)
Density :0.86 kg/m3 (1.013 bar at boiling point)0.769 kg/m3 (STP)0.73 kg/m3 (1.013 bar at 15 °C)0.6819 g/cm3 at −33.3 °C (liquid) See also Ammonia (data page)0.817 g/cm3 at −80 °C (transparent solid)
vapor density :0.6 (vs air)
vapor pressure :8.75 atm ( 21 °C)
FEMA :4494 | AMMONIA (ALSO INCLUDES AMMONIUM CHLORIDE)
refractive index :1.3327
Flash point :6 °C
storage temp. :0-6°C
solubility :Miscible with ethanol (95%) and water.
pka :38(at 25℃)
form :gas
color :Colourless
PH :pKa1= 9.461(25℃)
Odor :Intense pungent odor detectable at 17 ppm
Odor Threshold :1.5ppm
explosive limit :25%
Odor Type :ammoniacal
Water Solubility :soluble
Thermal Conductivity :0.025171 W/(m·K)
Specific Heat Capacity :Cp(gas): 2.06 J/(g·K), at 25℃
Sensitive :Hygroscopic
Merck :14,492
BRN :3587154
Henry's Law Constant :1.31 at 0 °C, 2.92 at 20 °C (droplet train apparatus, Shi et al., 1999)
Dielectric constant :25.0(-59℃)
Exposure limits :ACGIH:TLV-TWA 25 ppm (17 mg/m3); TLV-STEL 35 ppm (24 mg/m3)
OSHA:PEL-TWA 50 ppm (35 mg/m3)
NIOSH:REL-TWA 25 ppm; REL-STEL 35 ppm Stability :Stable. Hygroscopic. Flammable. Incompatible with acids, strong oxidizing agents. May react violently with acids, aldehydes, alkylene oxides, amides, boron, boron halides, calcium, chlorine azide, chloric acid, chlorine monoxide, chlorites, halogens, heavy metals and many other materials - check the complete data sheet before use!
Cosmetics Ingredients Functions :BUFFERING
FRAGRANCE Cosmetic Ingredient Review (CIR) :Ammonia (7664-41-7)
InChI :1S/H3N/h1H3
InChIKey :QGZKDVFQNNGYKY-UHFFFAOYSA-N
SMILES :N
LogP :0.23 at 20℃
CAS DataBase Reference :7664-41-7(CAS DataBase Reference)
NIST Chemistry Reference :Ammonia(7664-41-7)
EPA Substance Registry System :Ammonia (7664-41-7)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H303 May be harmfulif swallowed Acute toxicity,oral Category 5 P312 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning H336 May cause drowsiness or dizziness Specific target organ toxicity,single exposure; Narcotic effects Category 3 Warning P261, P271, P304+P340, P312,P403+P233, P405, P501 H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501 H360 May damage fertility or the unborn child Reproductive toxicity Category 1A, 1B Danger H370 Causes damage to organs Specific target organ toxicity, single exposure Category 1 Danger P260, P264, P270, P307+P311, P321,P405, P501 H372 Causes damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 1 Danger P260, P264, P270, P314, P501 H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501 H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:	P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. P242 Use only non-sparking tools. P243 Take precautionary measures against static discharge. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P284 Wear respiratory protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313 IF SKIN irritation occurs: Get medical advice/attention. P337+P313 IF eye irritation persists: Get medical advice/attention. P342+P311 IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician. P370+P378 In case of fire: Use … for extinction. P391 Collect spillage. Hazardous to the aquatic environment P403+P233 Store in a well-ventilated place. Keep container tightly closed. P403+P235 Store in a well-ventilated place. Keep cool. P405 Store locked up. P501 Dispose of contents/container to..…