7220-79-3
Product Name:
Methylene Blue trihydrate
Formula:
C16H20ClN3OS
Synonyms:
Methylene blue;Methylthioninium chloride;Methylene Blue trihydrate;Methylene Blue hydrate;Methylthionini chloridum
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Methylene blue trihydrate appears as odorless or almost odorless dark green crystals with bronze luster or dark green crystalline powder. pH (1% solution in water) 3 to 4.5. (NTP, 1992) |
|---|---|
| Melting Point | 374 °F (decomposes) (NTP, 1992) |
| Solubility | greater than or equal to 100 mg/mL at 72 °F (NTP, 1992) |
| Chemical Classes | Dyes -> Azine Dyes |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly 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. P501:Dispose of contents/container to..… |
COMPUTED DESCRIPTORS
| Molecular Weight | 373.9 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 7 |
| Rotatable Bond Count | 1 |
| Exact Mass | 373.1226905 g/mol |
| Monoisotopic Mass | 373.1226905 g/mol |
| Topological Polar Surface Area | 46.9 Ų |
| Heavy Atom Count | 24 |
| Formal Charge | 0 |
| Complexity | 483 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 5 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Methylene blue trihydrate appears as odorless or almost odorless dark green crystals with bronze luster or dark green crystalline powder. pH (1% solution in water) 3 to 4.5. (NTP, 1992)

