Melting point :163-165 °C (lit.)
Boiling point :329.3°C (rough estimate)
Density :1.6392 (rough estimate)
refractive index :1.4700 (estimate)
storage temp. :Store below +30°C.
form :Crystalline Powder
color :Beige to yellow
Water Solubility :MAY DECOMPOSE
Sensitive :Moisture Sensitive
BRN :179963
InChI :InChI=1S/C8H3NO5/c10-7-4-2-1-3-5(9(12)13)6(4)8(11)14-7/h1-3H
InChIKey :ROFZMKDROVBLNY-UHFFFAOYSA-N
SMILES :C1(=O)C2=C(C([N+]([O-])=O)=CC=C2)C(=O)O1
CAS DataBase Reference :641-70-3(CAS DataBase Reference)
NIST Chemistry Reference :3-Nitrophthalic anhydride(641-70-3)
EPA Substance Registry System :1,3-Isobenzofurandione, 4-nitro- (641-70-3)

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 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. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.