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98-47-5

Name 3-NITROBENZENESULFONIC ACID
CAS 98-47-5
EINECS(EC#) 202-671-7
Molecular Formula C6H5NO5S
MDL Number MFCD00064383
Molecular Weight 203.17
MOL File 98-47-5.mol

Chemical Properties

Appearance Crystals. Soluble in water and alcohol.
Melting point  103-104℃
density  1.637
refractive index  1.5380 (estimate)
Water Solubility  Completely soluble in water
form  solid
pka -1.21±0.18(Predicted)
color  White to Light yellow
Uses
Organic synthesis. The sodium salt is a protective antireduction agent.
CAS DataBase Reference 98-47-5(CAS DataBase Reference)
EPA Substance Registry System Benzenesulfonic acid, 3-nitro- (98-47-5)

Safety Data

Risk Statements 
R34:Causes burns.
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
RIDADR  2305
RTECS  DB7190000
HazardClass  8
PackingGroup  II
HS Code  2904990090
Safety Profile
A skin and severe eye irritant. Decomposes violently at about 200°. Mixture with sulfuric acid + sulfur trioxide may explode above 150°C. When heated to decomposition it emits toxic fumes of SOx and NOx. See also NITRO COMPOUNDS OF AROMATIC HYDROCARBONS and SULFONATES.

Raw materials And Preparation Products

Hazard Information

Material Safety Data Sheet(MSDS)

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