501-98-4

Name 4-Hydroxycinnamic acid
CAS 501-98-4
EINECS(EC#) 231-000-0
Molecular Formula C9H8O3
MDL Number MFCD00004399
Molecular Weight 164.16
MOL File 501-98-4.mol

Chemical Properties

Appearance Off-white to beige or greenish powder
Melting point  214 °C (dec.)(lit.)
Boiling point  231.61°C (rough estimate)
density  1.1403 (rough estimate)
refractive index  1.4500 (estimate)
storage temp.  Keep in dark place,Sealed in dry,Room Temperature
solubility  ethanol: soluble50mg/mL
form  Powder
pka 4.65±0.10(Predicted)
color  Off-white to beige or greenish
Odor at 100.00?%. balsamic
Water Solubility  soluble
Merck  14,2560
BRN  2207383
Stability: Light Sensitive
Major Application food and beverages
InChI 1S/C9H8O3/c10-8-4-1-7(2-5-8)3-6-9(11)12/h1-6,10H,(H,11,12)/b6-3+
InChIKey NGSWKAQJJWESNS-ZZXKWVIFSA-N
SMILES OC(=O)\C=C\c1ccc(O)cc1
LogP 1.460
CAS DataBase Reference 501-98-4(CAS DataBase Reference)
NIST Chemistry Reference p-Hydroxycinnamic acid(501-98-4)
EPA Substance Registry System 501-98-4(EPA Substance)

Safety Data

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
Hazard Codes  Xi
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:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection .
WGK Germany  2
RTECS  GD9095000
HS Code  29163990
Storage Class 11 - Combustible Solids
Hazard Classifications Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

Raw materials And Preparation Products

Hazard Information

Material Safety Data Sheet(MSDS)

Supplier