Melting point :108-111 °C(lit.)
Boiling point :315.95°C (rough estimate)
Density :1.4424 (rough estimate)
refractive index :1.6300 (estimate)
storage temp. :−20°C
solubility :H2O: very soluble
form :Solid
pka :pKa 6.43 (Uncertain)
color :Leaflets from Me2CO or CHCl3
Sensitive :Hygroscopic
Merck :13,5798
Stability :Stable. Hygroscopic.
CAS DataBase Reference :55-86-7(CAS DataBase Reference)
EPA Substance Registry System :Nitrogen mustard (HN-2), hydrochloride (55-86-7)

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 H340 May cause genetic defects Germ cell mutagenicity Category 1A, 1B Danger H350 May cause cancer Carcinogenicity Category 1A, 1B Danger
Precautionary statements:	P202 Do not handle until all safety precautions have been read and understood. 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.