China Factory Direct Sale Potassium Dichromate

short description:

Chemical Formula: K2Cr2O7, Molecular Weight 294.18.

Orange-Red Triclinic Crystal. Non-Hygroscopic, Soluble In Water, But Insoluble In Alcohol.

Strong Oxidation. Flammable In Friction Or Collision With Organic Compounds. Poisonous.

Product Detail

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Product Character

Chemical Formula: K2Cr2O7, Molecular Weight 294.18. 

Orange-Red Triclinic Crystal. Non-Hygroscopic, Soluble In Water, But Insoluble In Alcohol.

Strong Oxidation. Flammable In Friction Or Collision With Organic Compounds. Poisonous.


Mainly Used In The Manufacture Of Chromic Oxide, Potassium Chromate, Chromate Yellow Pigments, Welding Electrode, Match, Chromic Potassium Alum And Chemical Reagent. 

Also Used In Steel Passivating And Used As Oxidizing Agent.


In Reinforced-Type Composite Plastic Woven Bags, Net Weight For Each: 25kg, Or 50kg.


1. Avoid Moisture, Heat And Shock During Storage And Transportation. Keep Away From Combustibles.

2. Do Not Store With Foodstuff Or Strong Reducers. 

3. Avoid Contacting With Eyes And Skin.

4. Personal Protective Appliance Should Be Equipped With, Such As Self-Suction Respirator, Acid-Proofing Rubber Gloves, Security Coat And Boot, Chemical-Resistant Protective Glasses.

5. In Case Of Leakage, Reduce With 10% Sulfuric Acid And Ferrous Sulfate, And Neutralize With Calcium Oxide Immediately.

Executive Standard



Matters Needing Attention

Health hazards

Invasion route: inhalation, ingestion, percutaneous absorption.

Health hazards: acute poisoning: inhalation can cause acute respiratory tract irritation symptoms, epistaxis, hoarseness, atrophy of nasal mucosa, sometimes asthma and cyanosis. Severe cases may have chemical pneumonia. Oral administration can stimulate and corrode the digestive tract, causing nausea, vomiting, abdominal pain, bloody stool, etc; In severe cases, dyspnea, cyanosis, shock, liver damage and acute renal failure occurred.

Chronic effects: contact dermatitis, chromium ulcer, rhinitis, nasal septum perforation and respiratory tract inflammation.

Leakage emergency treatment

Isolate the contaminated area and restrict access. It is suggested that emergency treatment personnel should wear self-contained positive pressure respirator and anti-virus clothing. Do not let the leakage come into contact with organics, reducing agents, inflammables or metal powder. Small leakage: collect with clean shovel in dry, clean and covered container. It can also be washed with a large amount of water and diluted into the waste water system. Large amount of leakage: collect and recycle or transport to waste treatment site for disposal.

Protective measures

Respiratory system protection: when exposed to dust, you should wear hood type electric air supply filter dust respirator. If necessary, wear self-contained breathing apparatus.

Eye protection: it has been used in respiratory protection.

Body protection: wear polyethylene anti-virus clothing.

Hand protection: wear rubber gloves.

Others: shower and change clothes after work. Keep good hygiene habits.

First aid measures

Skin contact: take off contaminated clothes and wash skin thoroughly with soapy water and water.

Eye contact: lift eyelids and wash with flowing water or normal saline. See a doctor.

Inhalation: quickly leave the scene to fresh air. Keep respiratory tract unobstructed. If you have difficulty breathing, give oxygen. If breathing stops, give artificial respiration immediately. See a doctor.

Ingestion: gargle with water and lavage with water or 1% sodium thiosulfate solution. Give me milk or egg white. See a doctor.

Fire extinguishing method: fire extinguishing agent: Misty water, sand.

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