119-28-8

Name 1-Naphthylamine-7-sulfonic acid
CAS 119-28-8
EINECS(EC#) 204-311-4
Molecular Formula C10H9NO3S
MDL Number MFCD00044844
Molecular Weight 223.25
MOL File 119-28-8.mol
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Chemical Properties

Melting point  ≥300 °C(lit.)
Boiling point  220°C (rough estimate)
density  1.3588 (rough estimate)
refractive index  1.6500 (estimate)
storage temp.  Sealed in dry,Room Temperature
solubility  Aqueous Base (Slightly), DMSO (Slightly, Sonicated)
form  Powder
pka pK1: 3.66 (25°C)
Appearance Gray to brown Solid
Merck  2351
BRN  2115629
InChI InChI=1S/C10H9NO3S/c11-10-3-1-2-7-4-5-8(6-9(7)10)15(12,13)14/h1-6H,11H2,(H,12,13,14)
InChIKey QEZZCWMQXHXAFG-UHFFFAOYSA-N
SMILES C1=C2C(C=CC=C2N)=CC=C1S(O)(=O)=O
CAS DataBase Reference 119-28-8(CAS DataBase Reference)
NIST Chemistry Reference 1-Naphthylamine-7-sulfonic acid(119-28-8)
EPA Substance Registry System 119-28-8(EPA Substance)

Safety Data

Hazard Codes  C
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 .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
RIDADR  UN 2585 8/PG 3
WGK Germany  2
TSCA  Yes
REACH Registrations Active
HazardClass  8
PackingGroup  III
HS Code  29214500
Storage Class 8A - Combustible corrosive hazardous materials
Hazard Classifications Skin Irrit. 2

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