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3-Methylsalicylic acid

3-Methylsalicylic acid structure

CAS No.: 83-40-9

Chemical Name:: 3-Methylsalicylic acid

Synonyms: 2-Hydroxy-3-methylbenzoic acid;o-Kresotinic Acid;Cresotinic acid;Hydroxytoluic acid;O-METHYLSALICYLIC ACID;ORTHO CRESOTINIC ACID;Cresotic acid;2-ANISIC ACID;3-MS;o-msa

CBNumber:: CB9152874

Molecular Formula:: C8H8O3

Molecular Weight:: 152.15

MDL Number:: MFCD00002448

MOL File:: 83-40-9.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 04:10:39

Product description	Number	Pack Size	Price
3-Methylsalicylic Acid >98.0%(GC)(T)	C0408	25g	$49
3-Methylsalicylic Acid >98.0%(GC)(T)	C0408	100g	$129
3-Methylsalicylic Acid ≥98%	36536	100g	$43
3-Methylsalicylic Acid ≥98%	36536	250g	$102
3-Methylsalicylic Acid ≥98%	36536	500g	$191
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3-Methylsalicylic acid 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)
EWG's Food Scores	1
FDA UNII	ZH3HEY032H
NIST Chemistry Reference	Hydroxytoluic acid(83-40-9)
EPA Substance Registry System	3-Methylsalicylic acid (83-40-9)
UNSPSC Code	12352100
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS05,GHS07

Signal word

Danger

Hazard statements

H302-H315-H318-H335

Precautionary statements

P261-P264-P280-P280-P304+P340+P312-P305+P351+P338+P310

target organs

Respiratory system

PPE

dust mask type N95 (US), Eyeshields, Faceshields, Gloves

Hazard Codes

Risk Statements

22-37/38-41

Safety Statements

26-36/39-22

RIDADR

UN 2811

WGK Germany

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

REACH Registrations

Active

NFPA 704

	0
1		0

3-Methylsalicylic acid price More Price(74)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	C0408	3-Methylsalicylic Acid >98.0%(GC)(T)	83-40-9	25g	$49	2026-04-30	Buy
TCI Chemical	C0408	3-Methylsalicylic Acid >98.0%(GC)(T)	83-40-9	100g	$129	2026-04-30	Buy
Cayman Chemical	36536	3-Methylsalicylic Acid ≥98%	83-40-9	100g	$43	2026-04-30	Buy
Cayman Chemical	36536	3-Methylsalicylic Acid ≥98%	83-40-9	250g	$102	2026-04-30	Buy
Cayman Chemical	36536	3-Methylsalicylic Acid ≥98%	83-40-9	500g	$191	2026-04-30	Buy

Product number	Packaging	Price	Buy
C0408	25g	$49	Buy
C0408	100g	$129	Buy
36536	100g	$43	Buy
36536	250g	$102	Buy
36536	500g	$191	Buy

3-Methylsalicylic acid Chemical Properties,Uses,Production

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

o-Anisic acid Chromeazurol B 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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3-Methylsalicylic acid Suppliers

Global( 417)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	+8615350571055	Sibel@chuanghaibio.com	China	8738	58
Hebei Chuanghai Biotechnology Co,.LTD	+86-86-13131129325 +8613131129325	sales1@chuanghaibio.com	China	5227	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718 +86-13336195806	sales@capot.com	China	29640	60
Henan Tianfu Chemical Co.,Ltd.	+86-0371-55170693 +86-19937530512	info@tianfuchem.com	China	21586	55
career henan chemical co	+86-0371-86658258 +8613203830695	sales@coreychem.com	China	29812	58
Jinan Finer Chemical Co., Ltd	+86-531-88989536 +86-15508631887	sales@finerchem.com	China	2950	58
Shandong chuangyingchemical Co., Ltd.	18853181302	sale@chuangyingchem.com	CHINA	5906	58
BOC Sciences	+1-631-485-4226	inquiry@bocsci.com	United States	19936	58
Alchem Pharmtech,Inc.	8485655694	sales@alchempharmtech.com	United States	63687	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49979	58

Supplier	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	58
Hebei Chuanghai Biotechnology Co,.LTD	58
Capot Chemical Co.,Ltd.	60
Henan Tianfu Chemical Co.,Ltd.	55
career henan chemical co	58
Jinan Finer Chemical Co., Ltd	58
Shandong chuangyingchemical Co., Ltd.	58
BOC Sciences	58
Alchem Pharmtech,Inc.	58
CONIER CHEM AND PHARMA LIMITED	58

View Lastest Price from 3-Methylsalicylic acid manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-06-15	3-Methylsalicylic acid 83-40-9	$5.00	1kg	≥98%	5000mt/year	Jinan Finer Chemical Co., Ltd
2026-05-28	3-Methylsalicylic acid 83-40-9	$2.00-5.00	1KG	99%	10000kg	Hebei Chuanghai Biotechnology Co,.LTD
2026-05-11	3-Methylsalicylic acid 83-40-9	$29.00		98.11%	10g	TargetMol Chemicals Inc.

3-Methylsalicylic acid
83-40-9
$5.00
≥98%
Jinan Finer Chemical Co., Ltd

3-Methylsalicylic acid
83-40-9
$2.00-5.00
99%
Hebei Chuanghai Biotechnology Co,.LTD

3-Methylsalicylic acid
83-40-9
$29.00
98.11%
TargetMol Chemicals Inc.

3-Methylsalicylic acid Spectrum

3-Methylsalicylic acid(83-40-9)MS 3-Methylsalicylic acid(83-40-9)¹HNMR 3-Methylsalicylic acid(83-40-9)¹³CNMR 3-Methylsalicylic acid(83-40-9)IR1 3-Methylsalicylic acid(83-40-9)IR2 3-Methylsalicylic acid(83-40-9)Raman

83-40-9(3-Methylsalicylic acid)Related Search:

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Ethyl 2-(Chlorosulfonyl)acetate Methyl salicylate o-Cresol 3-Hydroxybenzoic acid o-Toluoyl chloride

Acetylsalicylic acid Methylparaben Citric acid

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3-Methylsalicylic acid 3-Methylsalicylic ac 2-hydroxy-3-methyl-benzoicaci 2-methylsalicylicacid 3-Methylsalycilic acid 3-MS Acido 3-ossi-5-metil-benzoico Acido ortocresotinico acido3-ossi-5-metil-benzoico acidoortocresotinico Benzoic acid, 2-hydroxy-3-methyl- beta-Cresotinic acid beta-cresotinicacid Cresotinic acid Cresotic acid Hydroxytoluic acid 2-Hydroxy-3-methylbenzoic acid, o-Cresotic acid 3-Methylsalicylic acid ,99% NSC 50796 3-Methyl-2-hydroxy acid o-Cresotic Acid 2-Hydroxy-3-methylbenzoic Acid 2-Hydroxy-m-toluic Acid 2-HYDROXY-3-METHYLBENZOIC ACID FOR SYNTH 3-Methylsalicylic acid, 2-Hydroxy-m-toluic acid, o-Cresotic acid Adjacent Methyl salicylate 2,3-Cresoticacid (8CI) 3-Methylsalicylic acid 97% 3-Methylsalicylic acid, o-Cresotic acid 2-Hydroxy-3-methylbenzoic acid for synthesis AKOS BBS-00003735 2-ANISIC ACID FEMA 3943 RARECHEM AL BO 0025 O-METHYLSALICYLIC ACID 2,3-Cresotic acid 2,3-cresoticacid 2,3-Cresotinic acid 2,3-cresotinicacid cresotinicacid Homosalicylic acid homosalicylicacid o-Homosalicylic acid 3-Cresotinic acid 2-Hydorxy-3-Methylbenzoic Acid o-Kresotinic Acid（2-Hydroxy-3-methylbenzoic acid） O-KRESOTINSAEURE b-Cresotinic Acid NSC 17561 NSC 1772 NSC 5079 Hydroxytoluic 2-HYDROXY-3-METHYLBENZOIC ACID / O-CRESOTINIC ACID Cyclopropyl naphthyridine carboxylic acid 3-Methylsalicylic Acid > 3-Methylsalicylic acid 83-40-9 3-Methylsalicylic acid, 10 mM in DMSO o-msa 2-Hydroxy-3-methylbenzoic acid o-Kresotinic Acid