m-cresol purple (CAS 2303-01-7) — formula C21H18O5S, molecular weight 382.4; category organic chemicals.
m-cresol purple (CAS 2303-01-7) is a organic chemicals. Its molecular formula C21H18O5S comprises 21 C, 18 H, 5 O, 1 S atoms. Its molecular weight is about 382.4. Reported physicochemical data: LogP about 3.7. Organic chemicals are the largest family of carbon-based compounds, widely used across pharmaceuticals, agrochemicals, materials, cosmetics and food industries. Downstream uses span pharmaceutical ingredients, agrochemicals, dyes, solvents, surfactants, food additives and polymer materials. 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 | 2303-01-7 |
|---|---|
| Molecular Formula | C21H18O5S |
| Molecular Weight | 382.4 |
| LogP | 3.7 |
| Applications | acid-base indicator |
| Category | Organic Chemicals |
Documented applications: acid-base indicator.
m-cresol purple is a carbon-based organic compound with CAS registry number 2303-01-7 and molecular formula C21H18O5S (molecular weight 382.4), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 2303-01-7
Its molecular formula C21H18O5S comprises 21 C, 18 H, 5 O, 1 S atoms.
Also known as: m-cresol purple · 间甲酚紫
Category: organic chemicals
The CAS registry number of m-cresol purple is 2303-01-7.
Molecular formula C21H18O5S, molecular weight 382.4.
It is also registered under: m-cresol purple, 间甲酚紫.
Recorded applications: acid-base indicator.
Category: Organic 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 m-cresol purple (CAS 2303-01-7), compiled from public chemistry databases.
| CAS Registry Number | 2303-01-7 |
|---|---|
| PubChem CID | 73030 |
| Molecular formula | C21H18O5S |
| IUPAC name | 4-[3-(4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1λ6-benzoxathiol-3-yl]-3-methylphenol |
| UNII (FDA) | 85ODZ58K3D |
| Molecular Weight | 382.4 |
|---|---|
| XLogP3 | 3.7 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 2 |
| Exact Mass | 382.08749484 |
| Monoisotopic Mass | 382.08749484 |
| Topological Polar Surface Area | 92.2 |
| Heavy Atom Count | 27 |
m-Cresol purple; 2303-01-7; Cresol purple; 3-Cresol purple; m-Cresolsulfonphthalein; Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis[3-methyl-; 85ODZ58K3D; NSC-9607; Phenol, 4,4'-(1,1-dioxido-3H-2,1-benzoxathiol-3-ylidene)bis(3-methyl-; DTXSID3062316; RefChem:500557; DTXCID2036792; 218-960-6; 3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide; m-Cresolsulfonephthalein; Metacresol Purple
| GHS notification summary | 100% (3 / 3) |
|---|
| GHS notification summary | 100% (3 / 3) |
|---|
This chemical does not meet GHS hazard criteria for 100% (3 of 3) of all reports.
Reported as not meeting GHS hazard criteria by 3 of 3 companies. For more detailed information, please visit ECHA C&L website.
m-cresol purple · CAS 2303-01-7 · C21H18O5S. UNII 85ODZ58K3D.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 间甲酚紫