4,4'-Oxybis(benzenesulfonyl hydrazide)

Melting point :160-161 °C (dec.)(lit.)
Boiling point :590.0±60.0 °C(Predicted)
Density :1.4940 (rough estimate)
vapor pressure :0.001Pa at 80℃
refractive index :1.6000 (estimate)
storage temp. :-20°C Freezer, Under inert atmosphere
solubility :DMSO (Slightly, Sonicated), Methanol (Slightly, Heated, Sonicated)
pka :8.76±0.10(Predicted)
form :Solid
color :White
Water Solubility :Insoluble in water.
Henry's Law Constant :7.8×10¹¹ mol/(m³Pa) at 25℃, HSDB (2015)
Exposure limits :ACGIH: TWA 0.1 mg/m3
LogP :0.08
CAS DataBase Reference :80-51-3(CAS DataBase Reference)
NIST Chemistry Reference :4,4'-Oxydibenzenesulfonyl hydrazide(80-51-3)
EPA Substance Registry System :Benzenesulfonic acid, 4,4'-oxybis-, 1,1'-dihydrazide (80-51-3)

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 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 H341 Suspected of causing genetic defects Germ cell mutagenicity Category 2 Warning P201,P202, P281, P308+P313, P405,P501 H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501 H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P201 Obtain special instructions before use. P202 Do not handle until all safety precautions have been read and understood. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P272 Contaminated work clothing should not be allowed out of the workplace. P273 Avoid release to the environment. 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. 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. P314 Get medical advice/attention if you feel unwell. P330 Rinse mouth. P332+P313 IF SKIN irritation occurs: Get medical advice/attention. P333+P313 IF SKIN irritation or rash occurs: Get medical advice/attention. P337+P313 IF eye irritation persists: Get medical advice/attention. P391 Collect spillage. Hazardous to the aquatic environment P405 Store locked up. P501 Dispose of contents/container to..…