Melting point :175 C
storage temp. :Inert atmosphere,Store in freezer, under -20°C
solubility :H₂O: 50 mg/mL, clear, light yellow
form :powder or crystals
color :Off-White to Pale Yellow
Water Solubility :Soluble in water.
Merck :13,1958
Stability :Hygroscopic
InChIKey :REACMANCWHKJSM-DWBVFMGKSA-M
SMILES :N12C([C@@H](NC(=O)[C@H](S([O-])(=O)=O)C3C=CC=CC=3)[C@H]1SCC(C[N+]1=CC=C(C(=O)N)C=C1)=C2C([O-])=O)=O.[Na+] |&1:2,6,17,r|
EPA Substance Registry System :Pyridinium, 4-(aminocarbonyl)-1-[[(6R,7R)-2-carboxy-8-oxo-7-[[(2R)-phenylsulfoacetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-, inner salt, monosodium salt (52152-93-9)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled Sensitisation, respiratory Category 1 Danger P261, P285, P304+P341, P342+P311,P501 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. P280 Wear protective gloves/protective clothing/eye protection/face protection. P284 Wear respiratory protection. 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.