Note: Ingredients listed on restricted chemical lists
EC/CAS
55-55-0
Name of the chemical
p-Methylaminophenol and its sulphate
Concentration
>95
General Information
Revision date
2025-03-22
Product name
4-Methylaminophenol sulfate
Product Synonyms
Bis(4-hydroxy-N-methylanilinium) sulfate; Metol
CAS No.
55-55-0
Emergency telephone
+(60)-327884561
Icons in SDS
Company Information
company name
Thermo Fisher Scientific Fisher Scientific (M) Sdn Bhd
e-mail address of the competent person responsible for the Safety Data Sheet
Enquiry.my@thermofisher.com
GHS Information
Signal word
Warning
Hazard Codes
Hazard statements (CLP)
H302, H317, H373, H400, H410
Hazard statements
Code
Statements
H302
Harmful if swallowed
Section 2
SECTION 2: Hazards identification
Classification of the substance or mixture Acute oral toxicity Category 4 (H302) Skin Sensitization Category 1 (H317) Specific target organ toxicity - (repeated exposure) Category 2 (H373) Acute aquatic toxicity Category 1 (H400) Chronic aquatic toxicity Category 1 (H410)
Signal word
Warning
Hazard statements
H302 - Harmful if swallowed H317 - May cause an allergic skin reaction H373 - May cause damage to organs through prolonged or repeated exposure H410 - Very toxic to aquatic life with long lasting effects
Prevention
P260 - Do not breathe dust/fume/gas/mist/vapors/spray P264 - Wash face, hands and any exposed skin thoroughly after handling P270 - Do not eat, drink or smoke when using this product P272 - Contaminated work clothing should not be allowed out of the workplace P280 - Wear protective gloves
Response
P301 + P312 - IF SWALLOWED: Call a POISON CENTER or doctor if you feel unwell P302 + P352 - IF ON SKIN: Wash with plenty of soap and water P314 - Get medical advice/attention if you feel unwell P330 - Rinse mouth P333 + P313 - If skin irritation or rash occurs: Get medical advice/attention P362 + P364 - Take off contaminated clothing and wash it before reuse
Storage
P403 + P233 - Store in a well-ventilated place. Keep container tightly closed
Disposal
P501 - Dispose of contents/ container to an approved waste disposal plant
2.3 Other hazards
May form combustible dust concentrations in air May form explosible dust-air mixture if dispersed Toxic to terrestrial vertebrates This product does not contain any known or suspected endocrine disruptors
2.1 Classification of the substance or mixture
Acute oral toxicity Category 4 (H302) Skin Sensitization Category 1 (H317) Specific target organ toxicity - (repeated exposure) Category 2 (H373) Acute aquatic toxicity Category 1 (H400) Chronic aquatic toxicity Category 1 (H410)