Melting point :251-255 °C (lit.)
Boiling point :427.6±45.0 °C(Predicted)
Density :2.073±0.06 g/cm3(Predicted)
storage temp. :Sealed in dry,Room Temperature
form :powder to crystal
pka :2.38±0.30(Predicted)
color :Light yellow to Yellow to Green
BRN :2378969
CAS DataBase Reference :1779-10-8(CAS DataBase Reference)
EPA Substance Registry System :2-Naphthalenecarboxylic acid, 4,7-dibromo-3-hydroxy- (1779-10-8)

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 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:	P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P337+P313 IF eye irritation persists: Get medical advice/attention.