Methylene blue SDS directory

Match the supplier, product code, formulation, and jurisdiction on your bottle. These are three specific supplier documents, not substitutes for an unlisted product's SDS.

Links checked: 12 September 2026. Revision dates below belong to the documents. Recheck the supplier before use; a working link does not confirm that an older revision remains applicable.

3 matching records

Supplier documents and handling summary
Exact productEditionHandling, spill, and disposal notes
Thermo Fisher Scientific Chemicals

Methylene Blue, 1% w/v aqueous solution

42771 · AA42771AE

Hydrate CAS 122965-43-9 and water. Product name states w/v; Section 3 separately lists 1% by weight.

United States, English

28 December 2025
Revision 4

Open 42771 SDS (PDF)

Not classified as hazardous under the stated OSHA standard. Protect eyes and skin; avoid strong oxidizers.

Section 6 uses solid-cleanup wording for a liquid. Confirm the procedure with the supplier or local safety team.

No drain release. Generator determines waste classification.

Fisher Scientific UK

Methylene Blue, trihydrate solid >95%

BP117-100 · 10307033

CAS 7220-79-3; dry dark-green solid.

Great Britain, English

13 October 2023
Revision 9

Open BP117-100 SDS (PDF)

Harmful if swallowed. Avoid dust; use task-appropriate gloves and eye protection.

Collect solid without raising dust, into suitable closed containers.

Section 13 classifies waste as hazardous; route contaminated packaging to hazardous or special collection. No drains; waste code depends on use.

Remel

Loefflers Methylene blue

R40083

Section 3 weight percentages: ethanol 21–22%, methanol 1.15%, methylene blue trihydrate 0.23%, water 70–80%.

United States, English

5 February 2015
Revision 1

Older revision served. Confirm with supplier.

Open R40083 SDS (PDF)

Flammable; organ-toxicity hazards. Control ignition and static; maintain ventilation.

Use inert absorbent, spark-proof tools, and suitable closed waste containers.

Use an approved disposal facility. Generator determines waste classification, including solvent constituents.