- 3-Methylsalicylic acid
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- $5.00 / 25kg
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2026-05-21
- CAS:83-40-9
- Min. Order: 1kg
- Purity: ≥98%
- Supply Ability: 5000mt/year
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| | 3-Methylsalicylic acid Basic information |
| | 3-Methylsalicylic acid Chemical Properties |
| Melting point | 163-165 °C (lit.) | | Boiling point | 234.6°C (rough estimate) | | density | 1.2143 (rough estimate) | | vapor pressure | 0.065-0.307Pa at 25℃ | | refractive index | 1.4945 (estimate) | | storage temp. | Inert atmosphere,Room Temperature | | solubility | methanol: soluble5%, clear to slightly hazy (colorlessto faint brown) | | pka | pK1:2.99 (25°C) | | form | Fine Powder | | color | Almost white | | PH | 2.8 (1.5g/l, H2O, 20℃) | | Water Solubility | 1.5 g/L (20 ºC) | | Merck | 14,2581 | | BRN | 2086811 | | InChI | 1S/C8H8O3/c1-5-3-2-4-6(7(5)9)8(10)11/h2-4,9H,1H3,(H,10,11) | | InChIKey | WHSXTWFYRGOBGO-UHFFFAOYSA-N | | SMILES | Cc1cccc(C(O)=O)c1O | | LogP | 2.79-2.86 | | CAS DataBase Reference | 83-40-9(CAS DataBase Reference) | | NIST Chemistry Reference | Hydroxytoluic acid(83-40-9) | | EPA Substance Registry System | 3-Methylsalicylic acid (83-40-9) |
| Hazard Codes | Xn | | Risk Statements | 22-37/38-41 | | Safety Statements | 26-36/39-22 | | RIDADR | UN 2811 | | WGK Germany | 3 | | RTECS | BZ4385000 | | TSCA | TSCA listed | | HS Code | 29182990 | | Storage Class | 11 - Combustible Solids | | Hazard Classifications | Acute Tox. 4 Oral
Eye Dam. 1
Skin Irrit. 2
STOT SE 3 | | Toxicity | LD50 oral in rat: 445mg/kg |
| | 3-Methylsalicylic acid Usage And Synthesis |
| Chemical Properties | White To Slightly Reddish Crystalline Solid | | Uses | analgesic, antiseptic | | Uses | 3-Methylsalicylic acid is used in manufacture of dyes. | | Uses | Toxicity is similar to salicylic acid. Used in manufacturing of dyes | | Definition | ChEBI: A monohydroxybenzoic acid consisting of salicylic acid carrying a methyl group at the 3-position. | | Synthesis Reference(s) | Synthesis, p. 758, 1984 DOI: 10.1055/s-1984-30960 | | General Description | 3-Methylsalicylic acid reacts with WOCl4 to yield tungsten(VI) oxo-salicylate complexes. | | Purification Methods | Crystallise the acid from water. [Beilstein 10 H 220, 10 II 131, 10 III 505, 10 IV 601.] |
| | 3-Methylsalicylic acid Preparation Products And Raw materials |
| Raw materials | o-Cresol | | Preparation Products | Chromeazurol B-->o-Anisic acid-->2-METHOXY-3-METHYLBENZOIC ACID-->NSC 46633-->2-Hydroxy-5-[[4-[(4-hydroxy-3-nitro-5-sodiosulfophenyl)azo]-5-methyl-2-methoxyphenyl]azo]-3-methylbenzoic acid sodium salt-->DIRECT ORANGE 1-->Mordant Violet 1-->5,5'-[4-(dimethylamino)benzylidene]bis(3-methylsalicylic) acid-->5-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)[4-(dimethylamino)phenyl]methyl]-3-methylsalicylic acid-->5-[(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)[4-[(4-tolyl)amino]phenyl]methyl]-3-methylsalicylic acid-->DIRECT ORANGE 6-->disodium 5-[[4'-[(1-amino-4-sulphonato-2-naphthyl)azo][1,1'-biphenyl]-4-yl]azo]salicylate-->disodium 5-[[4'-[[2,6-diamino-3-methyl-5-[(4-sulphonatophenyl)azo]phenyl]azo][1,1'-biphenyl]-4-yl]azo]-3-methylsalicylate-->5,5'-[(3-Carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methylene]bis[2-hydroxy-3-methylbenzoic acid]-->5-[(3-Carboxy-4-hydroxyphenyl)(3-carboxy-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-2-hydroxy-3-methylbenzoic acid-->5-[(2-Chloro-4-nitrophenyl)[3-methyl-4-oxo-5-(sodiooxycarbonyl)-2,5-cyclohexadien-1-ylidene]methyl]-2-hydroxy-3-methylbenzoic acid sodium salt-->3-[(3-Carboxy-4-hydroxy-5-methylphenyl)(3-carboxy-5-methyl-4-oxo-2,5-cyclohexadien-1-ylidene)methyl]-6-hydroxy-2,4-dimethylbenzoic acid-->C.I. Direct red 59 |
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