118-88-7

Name 5-Amino-2-methylbenzenesulfonic acid
CAS 118-88-7
EINECS(EC#) 204-282-8
Molecular Formula C7H9NO3S
MDL Number MFCD00007911
Molecular Weight 187.22
MOL File 118-88-7.mol
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Chemical Properties

Melting point  200°C
Boiling point  500°C (rough estimate)
density  1.3553 (rough estimate)
refractive index  1.6100 (estimate)
storage temp.  -20°C Freezer, Under inert atmosphere
solubility  Aqueous Acid (Slightly, Heated, Sonicated), Aqueous Base (Slightly, Sonicated)
form  Solid
pka -1.11±0.42(Predicted)
color  Off-White to Pale Yellow
Sensitive  Hygroscopic
InChI InChI=1S/C7H9NO3S/c1-5-2-3-6(8)4-7(5)12(9,10)11/h2-4H,8H2,1H3,(H,9,10,11)
InChIKey BRKFTWHPLMMNHF-UHFFFAOYSA-N
SMILES C1(S(O)(=O)=O)=CC(N)=CC=C1C
Dissociation constant 0-0 at 23℃
CAS DataBase Reference 118-88-7(CAS DataBase Reference)
EPA Substance Registry System 118-88-7(EPA Substance)

Safety Data

Risk Statements 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
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  2585
TSCA  Yes
REACH Registrations Inactive
HazardClass  8
PackingGroup  III

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