Melting point :21°C
Boiling point :158°C
bulk density :1000kg/m3
Density :2 g/cm3
vapor pressure :0.04 hPa at 20 °C
storage temp. :Store below +30°C.
solubility :Soluble in alcohol.
form :pieces
color :Glassy
Odor :Odorless
PH :2 (20°C, 33g/L in H2O)
Water Solubility :Decomposes in water. Soluble in alcohol.
Sensitive :Hygroscopic
Merck :14,7345
Stability :Stable. Incompatible with strong bases, most metals.
Cosmetics Ingredients Functions :CHELATING
BUFFERING Cosmetic Ingredient Review (CIR) :Metaphosphoric acid (37267-86-0)
InChI :1S/HO3P/c1-4(2)3/h(H,1,2,3)
InChIKey :UEZVMMHDMIWARA-UHFFFAOYSA-N
SMILES :OP(=O)=O
CAS DataBase Reference :37267-86-0(CAS DataBase Reference)
EPA Substance Registry System :Metaphosphoric acid (37267-86-0)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
Precautionary statements:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face 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. P363 Wash contaminated clothing before reuse.