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
≤100
General Information
Version
1.0
Revision date
2021-09-02
Product name
Methylene blue chloride, C.I. 52015, certified
Substance name
Methylene blue chloride, C.I. 52015, certified
Product Synonyms
Basic Blue 9 / C.I. 52015 / Phenothiazin-5-ium, 3,7-bis(dimethylamino)-, chloride / Phenothiazin-5-ium, 3,7-bis(dimethylamino)-, chloride (1:1) / Basic turquoise BB /Methylthioninium chloride / BASIC BLUE 9 / C.I. Basic Blue 9 / D And C Blue Number 1 / 3,7-Bis(dimethylamino)phenothiazin-5-ium chloride
CAS No.
61-73-4
1.2.1 Relevant identified uses
Use as laboratory reagent, Manufacture of substances
supplier name
Polysciences
Emergency telephone
1-800-255-3924
Icons in SDS
Company Information
company name
Polysciences
e-mail address of the competent person responsible for the Safety Data Sheet
info@polysciences.com
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H302, H315, H332, H351, H361
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture GHS US classification Acute toxicity (oral) Category 4 Harmful if swallowed Acute toxicity (inhalation) Category 4 Harmful if inhaled Skin corrosion/irritation Category 2 Causes skin irritation Carcinogenicity Category 2 Suspected of causing cancer Reproductive toxicity Category 2 Suspected of damaging fertility or the unborn child
2.2 Label elements
GHS US labeling
Signal word
Warning
Hazard statements
Harmful if swallowed or if inhaled Causes skin irritation Suspected of causing cancer Suspected of damaging fertility or the unborn child
Precautionary statements
Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Avoid breathing dust/fume/gas/mist/vapors/spray. Wash hands, forearms and face thoroughly after handling. Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area.
Other hazards which do not result in classification
No additional information available
Ingredient(s) with unknown acute toxicity
Not applicable 02/27/2026 EN (English US) Page 1
2.1 Classification of the substance or mixture
GHS US classification Acute toxicity (oral) Category 4 Harmful if swallowed Acute toxicity (inhalation) Category 4 Harmful if inhaled Skin corrosion/irritation Category 2 Causes skin irritation Carcinogenicity Category 2 Suspected of causing cancer Reproductive toxicity Category 2 Suspected of damaging fertility or the unborn child
