Molecular Structure of Pyridinium chlorochromate (CAS NO.26299-14-9):

IUPAC Name: hydron; pyridine; trioxochromium; chloride
Molecular formula C₅H₅NHClCrO₃
Molar mass 215.56 g/mol
H bond acceptors: 4
H bond donors: 1
Freely Rotating Bonds: 0
Polar Surface Area: 67.26 Å²
Appearance orange crystalline powder
Melting point 205 °C
EINECS: 247-595-5
Melting point: 205-208 °C(lit.)
Storage temp: 2-8 °C
Sensitive: Moisture Sensitive
Merck: 14,7974
Stability: Stable. May react with easily oxidized materials. Incompatible with reducing agents, combustible material, metals, strong reducing agents.
Product Categories: Classes of Metal Compounds; Cr (Chromium) Compounds; Oxidation; Pyridinium Compounds; Synthetic Organic Chemistry; Transition Metal Compounds; Pyridine series; organic intermediates

Hazard Codes: O,T,N
Risk Statements: 49-8-43-50/53-20/21/22
R49:May cause cancer by inhalation. 
R8 :Contact with combustible material may cause fire. 
R43:May cause sensitization by skin contact. 
R50/53:Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. 
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
Safety Statements: 53-45-60-61-37-24-17-44-36/37/39-22
S53:Avoid exposure - obtain special instructions before use. 
S45:In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) 
S60:This material and its container must be disposed of as hazardous waste. 
S61:Avoid release to the environment. Refer to special instructions / safety data sheets. 
S37:Wear suitable gloves. 
S24:Avoid contact with skin. 
S17:Keep away from combustible material. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection. 
S22:Do not breathe dust.
RIDADR: UN 1479 5.1/PG 2
WGK Germany: 2
HazardClass: 5.1
PackingGroup: III

  Pyridinium chlorochromate , with CAS number of 26299-14-9, can be called PCC (oxidizing agent) ; Chromate(1-), chlorotrioxo-,(T-4)-,hydrogen,compd. with pyridine (1:1) ; Pyridinium chlorochromate(Adsorbed on Alumina) ; Pyridinium Chlorochromate 99% ; Pyridinium chlorochromate(PCC) . It is an orange crystalline powder. Pyridinium chlorochromate (CAS NO.26299-14-9) is primarily used as an oxidant.