Potassium ferrocyanide - 100g

Be the first to review this product

Availability: In stock

Quick Overview
100g of Potassium ferrocyanide, this should not be confused with Potassium Ferricyanide, the main compound in cyanotype chemistry and farmers reducer.

Potassium ferrocyanide is used in several older colour formulas..

Potassium ferrocyanide - 100g

100g of Potassium ferrocyanide, this should not be confused with Potassium Ferricyanide, the main compound in cyanotype chemistry and farmers reducer.

Potassium ferrocyanide is used in several older colour formulas..
Additional Information
Product Identifier

Potassium hexacyanoferrate(II) trihydrate

Brand : Wet plate supplies

CAS-No. : 14459-95-1

Relevant identified uses of the substance or mixture

Identified uses : Photographic use only

Details of the supplier of the safety data sheet

Company :

WildPhoto Ltd
Unit 15-16 Highlode Industrial Estate
PE26 2RB

Telephone : +44 (0)1487 813447
E-mail address : info@wetplatesupplies.com

Emergency telephone number

Emergency Phone # : +44 (0)1487 813447

Hazard identification

Classification according to Regulation (EC) No 1272/2008 [EU-GHS/CLP]

Chronic aquatic toxicity (Category 3)

Classification according to EU Directives 67/548/EEC or 1999/45/EC

Contact with acids liberates very toxic gas. Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.  



Synonyms: Yellow prussiate, Potassium ferrocyanide

 Formula: C6FeK4N6 · 3H2O  

Molecular Weight: 422.39 g/mol

First aid

Description of first aid measures

If inhaled

If breathed in, move person into fresh air. If not breathing, give artificial respiration.

In case of skin contact

Wash off with soap and plenty of water.

In case of eye contact

Flush eyes with water as a precaution.

If swallowed

Never give anything by mouth to an unconscious person. Rinse mouth with water.

Most important symptoms and effects, both acute and delayed May cause cyanosis.

Indication of any immediate medical attention and special treatment needed no data available 

Fire fighting

Extinguishing media

Suitable extinguishing media

Dry powder

Special hazards arising from the substance or mixture

Carbon oxides, nitrogen oxides (NOx), Potassium oxides, Iron oxides, Hydrogen cyanide (hydrocyanic acid)

Advice for firefighters

Wear self contained breathing apparatus for fire fighting if necessary.


Precautions for safe handling

Provide appropriate exhaust ventilation at places where dust is formed.

Conditions for safe storage, including any incompatibilities

Store in cool place. Keep container tightly closed in a dry and well-ventilated place. 

Never allow product to get in contact with water during storage. Do not store near acids.

Accidental release

Personal precautions, protective equipment and emergency procedures

Use personal protective equipment.
Avoid dust formation.
Avoid breathing vapors, mist or gas.
Ensure adequate ventilation.
Evacuate personnel to safe areas.
Avoid breathing dust.

Environmental precautions

Do not let product enter drains.

Methods and materials for containment and cleaning up

Sweep up and shovel.
Contain spillage, and then collect with an electrically protected vacuum cleaner or by wet-brushing and place in container for disposal according to local regulations.
Keep in suitable, closed containers for disposal.


Reactivity no data available

Chemical stability no data available

Possibility of hazardous reactions no data available

Conditions to avoid

Avoid temperatures above 60°C, direct sunlight and contact with sources of heat. Contact with acids liberates very toxic gas.

Incompatible materials Acids, Strong oxidizing agents

Hazardous decomposition products

Other decomposition products - no data available


Information on toxicological effects

Acute toxicity

LD50 Oral - rat - 3,613 mg/kg

Skin corrosion/irritation

Skin - rabbit - No skin irritation - OECD Test Guideline 404

Serious eye damage/eye irritation

Eyes - rabbit - Mild eye irritation - OECD Test Guideline 405

Respiratory or skin sensitization guinea pig - Did not cause sensitization on laboratory animals.

Germ cell mutagenicity no data available


Did not show carcinogenic effects in animal experiments.

IARC: No component of this product present at levels greater than or equal to 0.1% is identified as probable, possible or confirmed human carcinogen by IARC.

Reproductive toxicity no data available

Specific target organ toxicity - single exposure no data available

Specific target organ toxicity - repeated exposure no data available

Aspiration hazard no data available

Potential health effects

Inhalation May be harmful if inhaled. May cause respiratory tract irritation.  

Ingestion May be harmful if swallowed.  

Skin May be harmful if absorbed through skin. May cause skin irritation. 

Eyes May cause eye irritation.  

Signs and Symptoms of Exposure May cause cyanosis


The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee of the properties of the product. Wet plate supplies shall not be held liable for any damage resulting from handling or from contact with the above product.

Product Tags

Use spaces to separate tags. Use single quotes (') for phrases.

Potassium ferrocyanide - 100g Wet Plate Supplies is a UK based store selling a range of supplies for alternative photographic processes, namely Wetplate collodion, Cyanotype, Gum bichromate, Kallitype, Van dyke and Pt/Pd. They also offer training and studio facilities for both wetplate and other alternative processes. In this section you can find our Potassium ferrocyanide - 100g