Methylthioninium Chloride (CAS 61-73-4) — formula C16H18N3S.Cl, molecular weight 319.9; category inorganic chemicals.
Methylthioninium Chloride (CAS 61-73-4) is a chemical raw material in the inorganic chemicals category. Its molecular formula C16H18N3S.Cl comprises 16 C, 18 H, 3 N, 1 S, 1 Cl atoms. Its molecular weight is about 319.9. Reported physicochemical data: melting point around 100. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 61-73-4 |
|---|---|
| Molecular Formula | C16H18N3S.Cl |
| Molecular Weight | 319.9 |
| Melting Point | 100 |
| Applications | stain in bacteriology, a chemical reagent, an antimethemoglobinemic drug, a polymerization inhibitor, and a temporary hair colorant, also used as a paper |
| Category | Inorganic Chemicals |
Documented applications: stain in bacteriology, a chemical reagent, an antimethemoglobinemic drug, a polymerization inhibitor, and a temporary hair colorant, also used as a paper.
Methylthioninium Chloride is an inorganic compound with CAS registry number 61-73-4 and molecular formula C16H18N3S.Cl (molecular weight 319.9), belonging to the inorganic chemicals segment of chemical raw materials.
CAS number: 61-73-4
Its molecular formula C16H18N3S.Cl comprises 16 C, 18 H, 3 N, 1 S, 1 Cl atoms.
Also known as: Methylthioninium Chloride · 氯化亚甲蓝
Category: inorganic chemicals
The CAS registry number of Methylthioninium Chloride is 61-73-4.
Molecular formula C16H18N3S.Cl, molecular weight 319.9.
It is also registered under: Methylthioninium Chloride, 氯化亚甲蓝.
Recorded applications: stain in bacteriology, a chemical reagent, an antimethemoglobinemic drug, a polymerization inhibitor, and a temporary hair colorant, also used as a paper.
Category: Inorganic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Methylthioninium Chloride (CAS 61-73-4), compiled from public chemistry databases.
| CAS Registry Number | 61-73-4 |
|---|---|
| PubChem CID | 6099 |
| Molecular formula | C16H18N3S.Cl |
| IUPAC name | [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium chloride |
| UNII (FDA) | 8NAP7826UB |
| Molecular Weight | 319.9 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 1 |
| Exact Mass | 319.0909965 |
| Monoisotopic Mass | 319.0909965 |
| Topological Polar Surface Area | 43.9 |
| Heavy Atom Count | 21 |
| Melting Point | 100 |
|---|---|
| Melting Point | 100-110 °C (decomposes) |
| Solubility | In water, 43,600 mg/L at 25 °C. |
| Vapor Pressure | 0.00000013 [mmHg] |
| Color Additive Status | 81.30 |
methylene blue; 61-73-4; Basic blue 9; Methylthioninium chloride; Solvent blue 8; Swiss Blue; C.I. Basic Blue 9; Chromosmon; Methylene Blue anhydrous; Methylene Blue N; Methylene Blue BB; Urolene blue; Methylenium ceruleum; Methylene Blue chloride; Bleu de methylene; Methylene Blue A
| Regulatory & Food Contact | FDA Cumulative Estimated Daily Intake (CEDI): FCS FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS CIR / INCI: Hair dyeing |
|---|---|
| GHS notification summary | 8.1% (22 / 273) |
| GHS notification summary | 8.1% (22 / 273) |
|---|---|
| Reported hazard statements | H302 (91.6%), H318 (25.6%), H412 (10.3%), H361, H370, H372 |
This chemical does not meet GHS hazard criteria for 8.1% (22 of 273) of reports.
H302 (91.6%): Harmful if swallowed [Warning Acute toxicity, oral]
Methylthioninium Chloride · CAS 61-73-4 · C16H18N3S.Cl. UNII 8NAP7826UB. Melting Point: 100; Melting Point: 100-110 °C (decomposes); Solubility: In water, 43,600 mg/L at 25 °C..
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 氯化亚甲蓝