Sodium bisulfite - 100g

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Quick Overview

100g of Sodium bisulfite, also known as Sodium Bisulphite or Sodium hydrogen sulfite

Used in many B&W developers..

Sodium bisulfite - 100g


100g of Sodium bisulfite, also known as Sodium Bisulphite or Sodium hydrogen sulfite

Used in many B&W developers..

Additional Information
Product Identifier

Sodium Bisulfite

Brand : Wet plate supplies

CAS-No. : 7631-90-5

Relevant identified uses of the substance or mixture

Identified uses : Photographic use only

Details of the supplier of the safety data sheet

Company :

Wet plate supplies
Unit 15-16 Highlode Industrial Estate
PE26 2RB

Telephone : +44 (0)1487 813447
E-mail address :

Emergency telephone number

Emergency Phone # : +44 (0)1487 813447

Hazard identification

Classification of the substance or mixture

Acute toxicity, Oral (Category 4)
Serious eye damage (Category 1)


Sodium Bisulfite



          CAS-No.                    7631-90-5




Acute Tox. 4; H302, EUH031

>= 90 - <= 100%

First aid

Description of first aid measures

General advice

Consult a physician. Show this safety data sheet to the doctor in attendance.

If inhaled

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

In case of skin contact

Wash off with soap and plenty of water. Consult a physician.

In case of eye contact

Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.

If swallowed

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

Fire fighting

Extinguishing media

Suitable extinguishing media

Dry powder

Special hazards arising from the substance or mixture

Sulphur oxides, Sodium oxides

Advice for firefighters

Wear self-contained breathing apparatus for firefighting if necessary


Precautions for safe handling

Avoid contact with skin and eyes. Avoid formation of dust and aerosols.

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.

Air and moisture sensitive. 


Storage class (TRGS 510): Non Combustible Solids

Accidental release

Personal precautions, protective equipment and emergency procedures

Wear respiratory protection. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8.

Environmental precautions

Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided.

Methods and materials for containment and cleaning up

Pick up and arrange disposal without creating dust. Sweep up and shovel. Do not flush with water. Keep in suitable, closed containers for disposal.


Reactivity No data available

Chemical stability Stable under recommended storage conditions.

Possibility of hazardous reactions No data available

Conditions to avoid No data available

Incompatible materials Strong oxidizing agents, Strong acids

Hazardous decomposition products Other decomposition products - No data available 


Information on toxicological effects

Acute toxicity

No data available

Skin corrosion/irritation

No data available

Serious eye damage/eye irritation No data available

Respiratory or skin sensitisation

No data available

Germ cell mutagenicity

No data available


IARC: 3 - Group 3: Not classifiable as to its carcinogenicity to humans (Sodium hydrogensulphite)

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

Additional Information

RTECS: Not available 


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.

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Sodium bisulfite - 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 Sodium bisulfite - 100g