Melting point :222 °C (dec.) (lit.)
Boiling point :197.09°C (rough estimate)
alpha :15.2 º (c=10, 2N HCl)
Density :1.6
refractive index :1.4368 (estimate)
Flash point :150°C
storage temp. :2-8°C
solubility :H₂O: 50 mg/mL
form :powder
pka :2.19(at 25℃)
color :White
PH :5-6 (100g/l, H2O, 20℃)
Odor :wh. cryst. or cryst. powd., odorless, sweet taste
optical activity :[α]20/D +13.5±0.5°, c = 5% in 5 M HCl
Water Solubility :250 g/L (20 ºC)
λmax :λ: 260 nm Amax: 0.05
λ: 280 nm Amax: 0.05 Merck :14,8460
Sublimation :150 ºC
BRN :1721404
Stability :Stable. Incompatible with strong oxidizing agents.
InChIKey :MTCFGRXMJLQNBG-REOHCLBHSA-N
LogP :-1.580
CAS DataBase Reference :56-45-1(CAS DataBase Reference)
NIST Chemistry Reference :L-Serine(56-45-1)
EPA Substance Registry System :L-Serine (56-45-1)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 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. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352 IF ON SKIN: wash with plenty of soap and water. 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.