Melting point :<0°C
Boiling point :100°C
Density :1.40 g/mL at 20 °C
bulk density :940kg/m3
vapor pressure :0Pa at 20℃
storage temp. :room temp
solubility :H₂O: 5 M, clear, colorless
form :powder
color :White
PH :4.0 - 4.5 (25℃, 50g/L in water)
pka :(1) 2.15, (2) 6.82, (3) 12.38 (at 25℃)
Odor :at 100.00%. odorless
Water Solubility :Soluble in water. Insoluble in alcohol,ether and chloroform.
Sensitive :Hygroscopic
λmax :λ: 260 nm Amax: ≤0.025
λ: 280 nm Amax: ≤0.02 Merck :14,8660
BRN :3903772
Stability :Stable. Incompatible with heavy metals, strong acids.
Cosmetics Ingredients Functions :ANTI-SEBORRHEIC
DEODORANT
BUFFERING InChI :1S/Na.H3O4P/c;1-5(2,3)4/h;(H3,1,2,3,4)/q+1;/p-1
InChIKey :AJPJDKMHJJGVTQ-UHFFFAOYSA-M
SMILES :[Na+].OP(O)([O-])=O
LogP :-2.148 (est)
CAS DataBase Reference :7558-80-7(CAS DataBase Reference)
EPA Substance Registry System :Monosodium phosphate (7558-80-7)
Absorption :≤0.2 at 260 in H2O at 1M
≤0.2 at 280 in H2O at 1M

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes 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 H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405 Store locked up.