492-38-6

Name Atropic acid
CAS 492-38-6
EINECS(EC#) 207-753-6
Molecular Formula C9H8O2
MDL Number MFCD00046531
Molecular Weight 148.16
MOL File 492-38-6.mol

Chemical Properties

Melting point  106-107°
Boiling point  bp ~267° with partial decompn
density  1.0061 (rough estimate)
refractive index  1.5049 (estimate)
storage temp.  Sealed in dry,2-8°C
solubility  DMSO (Slightly), Methanol (Slightly)
form  Solid
pka 3.86±0.11(Predicted)
color  White to Off-White
Water Solubility  1.3g/L(20 ºC)
Merck  14,874
Stability: Light Sensitive
Major Application pharmaceutical
pharmaceutical small molecule
InChI 1S/C9H8O2/c1-7(9(10)11)8-5-3-2-4-6-8/h2-6H,1H2,(H,10,11)
InChIKey ONPJWQSDZCGSQM-UHFFFAOYSA-N
SMILES OC(=O)C(=C)c1ccccc1
CAS DataBase Reference 492-38-6(CAS DataBase Reference)
NIST Chemistry Reference Benzeneacetic acid, «alpha»-methylene-(492-38-6)
EPA Substance Registry System 492-38-6(EPA Substance)

Safety Data

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319
Precautionary statements  P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
Risk Statements 
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 .
WGK Germany  WGK 3
REACH Registrations Active
HS Code  29163990
Storage Class 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Oral
Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

Hazard Information

Supplier