88-45-9

Name 2,5-Diaminobenzenesulfonic acid
CAS 88-45-9
EINECS(EC#) 201-832-9
Molecular Formula C6H8N2O3S
MDL Number MFCD00007904
Molecular Weight 188.2
MOL File 88-45-9.mol

Chemical Properties

Appearance violet powder
Melting point  298-300 °C (dec.) (lit.)
Boiling point  500°C
density  1.366 (estimate)
vapor pressure  0Pa at 25℃
refractive index  1.6490 (estimate)
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
solubility  2.308g/L in organic solvents at 20 ℃
form  solid
pka 5.17±0.10(Predicted)
color  White to Light gray to Light orange
Water Solubility  4g/L at 26℃
BRN  2970398
InChI 1S/C6H8N2O3S/c7-4-1-2-5(8)6(3-4)12(9,10)11/h1-3H,7-8H2,(H,9,10,11)
InChIKey HEAHMJLHQCESBZ-UHFFFAOYSA-N
SMILES Nc1ccc(N)c(c1)S(O)(=O)=O
LogP 0.146 at 26℃
CAS DataBase Reference 88-45-9(CAS DataBase Reference)
EPA Substance Registry System 88-45-9(EPA Substance)

Safety Data

Symbol(GHS)  Corrosion (GHS05)
GHS05
Signal word  Danger
Hazard statements  H314
Precautionary statements  P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338-P363
Hazard Codes  C,Xi
Risk Statements 
R34:Causes burns.
R36/37/38:Irritating to eyes, respiratory system and skin .
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) .
S36:Wear suitable protective clothing .
RIDADR  UN 2583 8/PG 2
WGK Germany  2
RTECS  DB5900100
TSCA  TSCA listed
HS Code  2921.59.8090
REACH Registrations Active
HazardClass  8
PackingGroup  III
Storage Class 8A - Combustible corrosive hazardous materials
Hazard Classifications Eye Dam. 1
Skin Corr. 1B

Hazard Information

Material Safety Data Sheet(MSDS)

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