Note: Ingredients listed on restricted chemical lists
EC/CAS
61-73-4
Name of the chemical
Phenothiazin-5-ium, 3,7-bis(dimethylamino)-, and its salts, when used as a substance in hair dye products
Concentration
1
EC/CAS
7732-18-5
Name of the chemical
Water, distilled, conductivity or of similar purity H2O
Concentration
Balance
General Information
Revision date
2025-10-24
Product name
Methylene Blue, USP, 1% (w/w)
Product Synonyms
Basic Blue 9 1% (w/w); methylthioninium chloride 1% (w/w)
Chemical name
Not applicable
Emergency telephone
800-424-9300
Icons in SDS
Company Information
company name
Biopharm Inc
e-mail address of the competent person responsible for the Safety Data Sheet
support@bphchem.com
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H302, H401
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
GHS US classification Acute toxicity (oral, dermal, inhalation) Category 4 Hazardous to the aquatic environment – Acute Hazard Category 2 H302 Harmful if swallowed H401 Toxic to aquatic life
Signal word
Warning
Hazard statements
H302 – Harmful if swallowed. H401 – Toxic to aquatic life.
Prevention
P264 – Wash exposed skin thoroughly after handling. P270 – Do not eat, drink or smoke when using this product. P273 – Avoid release to the environment. P310 – Immediately call a poison center or doctor/physician. P501 – Dispose of contents/container to comply with local, state and federal regulations. P301+P330+P331 – IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
Response
No data available.
Storage
Store bottles tightly capped and upright. Keep in a cool place away from direct sunlight.
Disposal
Prevent entry into sewers, watercourses, basements or confined areas. Contain and collect spillage with an absorbent material and place in container for disposal according to local regulations. Hazard(s) not otherwise Not classified. classified (HNOC)
Additional information
No data available.
2.1 Classification of the substance or mixture
Acute toxicity (oral, dermal, inhalation) Category 4 Hazardous to the aquatic environment – Acute Hazard Category 2 H302 Harmful if swallowed. H401 Toxic to aquatic life. Signal word (GHS US): Warning Hazard Pictograms: Hazard statement (GHS US): H302 – Harmful if swallowed. H401 – Toxic to aquatic life.