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Safety Data Sheet EN

Methylene Blue trihydrate

CAS 7220-79-3

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01

Identification

Product identifiers, regulatory numbers, and supplier information

Product Information

Product Name
Methylene Blue trihydrate
Product Code
J60823
Synonyms
Phenothiazin-5-ium, 3,7-bis(dimethylamino)-, chloride, trihydrate; C.I. Basic Blue 9, t

Regulatory Identifiers

CAS Number
7220-79-3 Check regulations →

Identified Uses

Laboratory chemicals.

Uses advised against

Food, drug, pesticide or biocidal product use.

Manufacturers & Suppliers

T

Thermo Fisher Scientific Chemicals, Inc.

manufacturer

30 Bond Street, Ward Hill, MA 01835-8099

800-343-0660

Emergency Contacts

US (Information)

001-800-227-6701

Europe

+32 14 57 52 11

US

001-201-796-7100

Europe

+32 14 57 52 99

CHEMTREC US

001-800-424-9300

CHEMTREC Europe

001-703-527-3887

02

Hazard Identification

GHS classification, signal word, pictograms, and hazard statements

Classified warning

Hazard Classifications

Acute Tox. Cat. 4

GHS Pictograms

GHS07 - Health hazard

GHS07

Hazard Statements

H302 Harmful if swallowed

Precautionary Statements

P264 Wash face, hands and any exposed skin thoroughly after handling
P270 Do not eat, drink or smoke when using this product
P301 + P312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
P330 Rinse mouth
P501 Dispose of contents/container to an approved waste disposal plant

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03

Composition / Information on Ingredients

Chemical components, concentration ranges, and hazardous substance identification

Type mixture
Chemical Name CAS Number Concentration Hazardous
Methylene blue trihydrate 7220-79-3 98% No
Methylene blue 61-73-4 --- No
04

First Aid Measures

Emergency procedures for chemical exposure incidents

Inhalation

Remove to fresh air. If not breathing, give artificial respiration. Get medical attention if symptoms occur.

Skin contact

Wash off immediately with plenty of water for at least 15 minutes. If skin irritation persists, call a physician.

Eye contact

Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Get medical attention.

Ingestion

Clean mouth with water and drink afterwards plenty of water. Get medical attention if symptoms occur.

Medical Treatment

Treat symptomatically.

05

Firefighting Measures

Extinguishing media, specific hazards, and firefighter protection

Suitable media

Water spray, carbon dioxide (CO2), dry chemical, alcohol-resistant foam.

Unsuitable media

No information available

Specific hazards

Thermal decomposition can lead to release of irritating gases and vapors. Keep product and empty container away from heat and sources of ignition.

Firefighter Protection

As in any fire, wear self-contained breathing apparatus pressure-demand, MSHA/NIOSH (approved or equivalent) and full protective gear.

06

Accidental Release Measures

Spill cleanup procedures, containment, and environmental protection

Environmental

Should not be released into the environment. See Section 12 for additional Ecological Information.

Cleanup methods

Sweep up and shovel into suitable containers for disposal.

Materials: suitable containers

Related Products

Similar products with comparable safety profiles

07

Handling and Storage

Safe handling precautions, storage conditions, and workplace requirements

Handling

Wear personal protective equipment/face protection. Ensure adequate ventilation. Avoid dust formation. Avoid ingestion and inhalation. Do not get in eyes, on skin, or on clothing.

Storage

Keep containers tightly closed in a dry, cool and well-ventilated place. Protect from light.

Hygiene

Avoid ingestion and inhalation. Do not get in eyes, on skin, or on clothing.

08

Exposure Controls / PPE

Occupational exposure limits, engineering controls, and protective equipment

Engineering

Ensure that eyewash stations and safety showers are close to the workstation location. Ensure adequate ventilation, especially in confined areas.

Hands

Wear appropriate protective gloves

Eyes

Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166.

Respiratory

Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Skin/Body

Wear appropriate protective clothing to prevent skin exposure.

09

Physical and Chemical Properties

Appearance, physical state, melting point, boiling point, and material characteristics

State Under Standard Conditions
---
Metal Corrosion
---
Softening Point
---
Odor
Odorless
Explosive Limits
---
Colour
Dark green
Odor Threshold
No information available
Dynamic Viscosity
---
Relative Evaporation Rate
---
Cloud Point
---
Physical State
Solid
Form
---
Flash Point
Not applicable
Voc Content
---
Lower Explosive Limit
No data available
Upper Explosive Limit
No data available
Solidification Point
---
Relative Density
1.230
Solubility
Slightly soluble in water
Vapor Pressure
negligible
Solubility In Fat
---
Colour Intensity
---
Boiling Point
No information available
Density
---
Partition Coefficient
No data available
Vapor Density
Not applicable
Ph
3 - 4.5 (1 %)
Freezing Point
---
Solubility In Water
Slightly soluble in water
Bulk Density
---
Molecular Weight
373.90
Properties Status
---
Decomposition Temperature
No information available
Appearance
Dark green
Crystallisation Point
---
Evaporation Rate
Not applicable
Melting Point
190 °C / 374 °F
Kinematic Viscosity
---
Physical State Data
solid
Flammability
No information available
Auto Ignition Temperature
No information available
10

Stability and Reactivity

Chemical stability, hazardous reactions, and incompatible materials

Stability

Light sensitive.

Reactivity

None known, based on information available

Hazardous reactions

None under normal processing. Hazardous polymerization does not occur.

Avoid

Avoid dust formation. Protect from light. Excess heat. Exposure to light.

Incompatible

Reducing Agent, Bases, Oxidizing agent

Decomposition

Chlorine, Nitrogen oxides (NOx), Carbon monoxide (CO), Sulfur oxides, Carbon dioxide (CO₂)

12

Ecological Information

Environmental toxicity, biodegradation, and bioaccumulation data

The data for this section has not been processed yet.

13

Disposal Considerations

Waste treatment methods, disposal recommendations, and waste codes

Disposal

Chemical waste generators must determine whether a discarded chemical is classified as a hazardous waste.

14

Transport Information

UN numbers, shipping names, transport classes, and regulatory requirements

15

Regulatory Information

Chemical regulations, safety assessments, and compliance status

?

Frequently Asked Questions

Common questions about safety, handling, and properties

What other names is Methylene Blue trihydrate known by?

Methylene Blue trihydrate is also known as: Phenothiazin-5-ium, 3,7-bis(dimethylamino)-, chloride, trihydrate; C.I. Basic Blue 9, t

What is the hazard signal word for Methylene Blue trihydrate?

The signal word is warning.

What is the physical form of Methylene Blue trihydrate?

Methylene Blue trihydrate is a solid appearing as dark green with dark green color. It has odorless odor.

What is the solubility of Methylene Blue trihydrate?

Slightly soluble in water

What is Methylene Blue trihydrate used for?

Laboratory chemicals.

What are the hazard statements for Methylene Blue trihydrate?

This substance has 1 hazard statement:

  • H302: Harmful if swallowed

What is the melting point of Methylene Blue trihydrate?

The melting point is 190 °C / 374 °F and the boiling point is No information available.