Home Categories Organic Chemistry 4-Nitrobenzenesulfonic Acid Hydrate
T9547730

4-Nitrobenzenesulfonic Acid Hydrate , >98.0%(T)(HPLC) , 138-42-1

CAS NO.:138-42-1

Empirical Formula: C6H5NO5S

Molecular Weight: 203.17

MDL number: MFCD00041886

EINECS: 205-329-5

Update time: 2022-07-08

PRODUCT Properties

Melting point: 105-112 °C
Density  1.548 (estimate)
refractive index  1.5380 (estimate)
storage temp.  -20°C Freezer, Under inert atmosphere
solubility  DMSO (Slightly, Sonicated), Water (Slightly)
pka -1.38±0.50(Predicted)
form  Crystalline Powder
color  Beige to yellow-orange
Water Solubility  476g/L(100.5 ºC)
CAS DataBase Reference 138-42-1(CAS DataBase Reference)
EPA Substance Registry System Benzenesulfonic acid, 4-nitro- (138-42-1)

Description and Uses

4-Nitrobenzenesulfonic acid is less important than the ortho and meta isomers because sulfanilic acid and its derivatives are readily available from aniline and acetanilide.

Safety

Symbol(GHS) 
GHS05,GHS07
Signal word  Danger
Hazard statements  H314-H335
Precautionary statements  P280-P309+P311
Hazard Codes  Xi,C
Risk Statements  36/37/38
Safety Statements  37/39-26
RIDADR  2305
Hazard Note  Corrosive/Irritant
HazardClass  8
PackingGroup  II
HS Code  29049090

RELATED PRODUCTS