Melting point :67-70 °C(lit.)
Density :1.829
vapor density :1.1 (vs air)
vapor pressure :97 mm Hg ( 20 °C)
storage temp. :0-6°C
form :Hygroscopic Crystals
color :White
Odor :Ammonia like
explosive limit :36%
Water Solubility :soluble
Sensitive :Air Sensitive & Hygroscopic
Merck :14,9224
BRN :3714235
Stability :Stable. Incompatible with strong oxidizing agents, strong acids.
InChIKey :MYXKPFMQWULLOH-UHFFFAOYSA-M
CAS DataBase Reference :10424-65-4(CAS DataBase Reference)
EPA Substance Registry System :Methanaminium, N,N,N-trimethyl-, hydroxide, pentahydrate (10424-65-4)

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 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 H411 Toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 2
Precautionary statements:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. 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.