Melting point :139°C
Boiling point :394.6°C (rough estimate)
Density :1.2645 (rough estimate)
refractive index :1.6110 (estimate)
storage temp. :Sealed in dry,2-8°C
solubility :DMSO (Slightly, Heated), Methanol (Slightly, Heated)
form :Liquid
color :Clear to hazy colorless to yellow
Water Solubility :0.01-0.1 g/100 mL at 20 ºC
Merck :14,7210
Stability :Light Sensitive
InChIKey :QQBPIHBUCMDKFG-GEEYTBSJSA-N
CAS DataBase Reference :136-40-3(CAS DataBase Reference)
IARC :2B (Vol. 24, Sup 7) 1987
EPA Substance Registry System :Phenazopyridine hydrochloride (136-40-3)

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 H351 Suspected of causing cancer Carcinogenicity Category 2 Warning P201, P202, P281, P308+P313, P405,P501
Precautionary statements:	P202 Do not handle until all safety precautions have been read and understood. 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. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P308+P313 IF exposed or concerned: Get medical advice/attention.