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PDC(20039-37-6)

PDC(20039-37-6)
Product IdentificationBack to Contents
【Product Name】

PDC
【Synonyms】

Chromic acid compound with pyridine (1:2)
Cornforth reagent
【CAS】

20039-37-6
【Formula】

C10H12Cr2N2O7
【Molecular Weight】

376.2
【EINECS】

243-478-8
【Beilstein/Gmelin】

NA
Physical and Chemical PropertiesBack to Contents
【Appearance】

Brown to orange powder.
【Melting Point】

152-153
【Usage】

Used as an oxidizing agent to convert alcohols to aldehydes and ketones.
First Aid MeasuresBack to Contents
【Ingestion】

Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
【Inhalation】

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
【Skin】

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Handling and StorageBack to Contents
【Storage】

Keep away from heat, sparks, and flame. Do not store near combustible materials. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
【Handling】

Wash thoroughly after handling. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid contact with clothing and other combustible materials. Avoid ingestion and inhalation. Use with adequate ventilation. Wash clothing before reuse.
Hazards IdentificationBack to Contents
【Inhalation】

Causes respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
【Skin】

Causes skin irritation.
【Eyes】

Causes eye irritation.
【Ingestion】

May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated.
【Hazards】

May explode from heat or contamination. May react explosively with hydrocarbons (fuels). May ignite combustibles.
【EC Risk Phrase】

R 49 8 43 50/53
【EC Safety Phrase】

S 53 17 45 60 61
【UN (DOT)】

1479
Exposure Controls/Personal ProtectionBack to Contents
【Personal Protection】

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate gloves to prevent skin exposure. Clothing: Wear a chemical apron. Wear appropriate protective clothing to prevent skin exposure.
【Respirators】

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
【Exposure Effects】

May cause cancer according to animal studies.
【Exposure limit(s)】

0.01 mg/m3 TLV
Fire Fighting MeasuresBack to Contents
【Fire Fighting】

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Strong oxidizer. Contact with combustible materials may cause a fire. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use water with caution and in flooding amounts. Extinguishing media: Use agent most appropriate to extinguish fire. Contact professional fire-fighters immediately. In case of fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
【Fire Potential】

These substances will accelerate burning when involved in a fire.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Remove all sources of ignition. Provide ventilation.
Stability and ReactivityBack to Contents
【Incompatibilities】

Reducing agents, strong oxidizing agents.
【Stability】

Stable at room temperature in closed containers under normal storage and handling conditions.
【Decomposition】

Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
【Combustion Products】

Fire may produce irritating, corrosive and/or toxic gases.
Transport InformationBack to Contents
【UN Number】

1479
【Hazard Class】

5.1
【Packing Group】

I; II; III
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