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Chemical Information
Molecular_Formula C10H10N2O4S
Density 1.5±0.1 g/cm3
Exact_Mass 254.036133
LogP -1.31
Boiling_Point 477ºC
Melting_Point >252 °C (dec.)(lit.)
Molecular_Weight 254.262
PSA 95.42000
Water_Solubility 5 g/L (20 ºC)
Index_of_Refraction 1.667
Safe Information
Symbol GHS05
Safety_Phrases S26-S36/37/39-S45
WGK_Germany 1
RIDADR UN 1759 8/PG 2
Precautionary_Statements P280-P305 + P351 + P338-P310
Personal_Protective_Equipment Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard_Codes C:Corrosive;
Signal_Word Danger
Risk_Phrases R34
Hazard_Statements H314
HS_Code 2933199090
Product Information
Flash_Point N/A
Symbol GHS05
CAS_Number 89-36-1
Signal_Word Danger
Common_Name 3-Methyl-1-(4-sulfophenyl)-2-pyrazolin-5-one
Molecular_Formula C10H10N2O4S
Melting_Point >252 °C (dec.)(lit.)
Molecular_Weight 254.262
MSDS ChineseUSA
Density 1.5±0.1 g/cm3
Boiling_Point 477ºC
None