Methylene Blue, Powder

SECTION 2: Hazards identification

Classification of the substance or mixture GHS Classification, (in accordance with 29 CFR1910.1200) Acute toxicity (oral), Category 4 Skin irritation, Category 2 Serious Eye Damage/Eye irritation, Category 2 Specific Target Organ Toxicity – Single exposure, Category 3

Signal word

WARNING

Hazard statements

● Harmful if swallowed ● Causes skin irritation ● Causes serious eye irritation ● May cause respiratory irritation ● May cause drowsiness or dizziness

Prevention

● Wash skin thoroughly after handling. ● Do not eat, drink or smoke when using this product. ● Wear protective gloves/protective clothing/eye protection/face protection. ● Avoid breathing dust/fume/gas/mist/vapours/spray. ● Use only outdoors or in a well-ventilated area.

Response

● IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. ● IF ON SKIN: Gently wash with plenty of soap and water. ● Take off contaminated clothing and wash before reuse. ● If skin irritation occurs: Get medical advice/attention. ● IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing. ● If eye irritation persists get medical advice/attention. ● IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. ● Rinse mouth. ● Specific treatment: see first aid measures in section 4. ● Call a POISON CENTER or doctor/physician if you feel unwell.

Storage

● Store in a well ventilated place. Keep container tightly closed. ● Store locked up.

Disposal

● Dispose of contents/ container to an approved waste disposal plant.

2.3 Other hazards

None 2.4 >1% of mixture with unknown acute toxicity None

2.1 Classification of the substance or mixture

GHS Classification, (in accordance with 29 CFR1910.1200) Acute toxicity (oral), Category 4 Skin irritation, Category 2 Serious Eye Damage/Eye irritation, Category 2 Specific Target Organ Toxicity – Single exposure, Category 3