Melting point :154°C
Boiling point :115°C/760mmHg
Density :1.341 g/mL at 25 °C
vapor pressure :0Pa at 25℃
refractive index :n20/D 1.512
pka :6.05[at 20 ℃]
form :Solution
color :Clear light pink or yellow-green
Water Solubility :>=10 g/100 mL at 20 ºC
BRN :3631669
InChI :InChI=1S/C4H12O4P.ClH/c5-1-9(2-6,3-7)4-8;/h5-8H,1-4H2;1H/q+1;/p-1
InChIKey :AKXUUJCMWZFYMV-UHFFFAOYSA-M
SMILES :[P+](CO)(CO)(CO)CO.[Cl-]
LogP :-9.8
CAS DataBase Reference :124-64-1(CAS DataBase Reference)
EPA Substance Registry System :Tetrakis(hydroxymethyl)phosphonium chloride (124-64-1)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H290 May be corrosive to metals Corrosive to Metals Category 1 Warning P234, P390, P404 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 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P201 Obtain special instructions before use. P273 Avoid release to the environment. 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.