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3-Methylphthalic anhydride

3-Methylphthalic anhydride structure

CAS No.: 4792-30-7

Chemical Name:: 3-Methylphthalic anhydride

Synonyms: AKOS BC-0005;METHYLPHTHALIC ANHYDRIDE;3-METHYLPHTHALIC ANHYDRIDE;2-Methylphthalic anhydride;3-Methyl ohthalic anhydride;3-Methylphthalsαureanhydrid;3-MethylphthalicAnhydride>4-methyl-3-isobenzofurandione;Phthalic anhydride, 3-methyl-;3-Methylphthalic anhydride,96%

CBNumber:: CB8305987

Molecular Formula:: C9H6O3

Molecular Weight:: 162.14

MDL Number:: MFCD00047316

MOL File:: 4792-30-7.mol

MSDS File:: SDS

Last updated:2026-05-28 04:23:33

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3-Methylphthalic anhydride Properties

Melting point	114-118 °C
Boiling point	248.82°C (rough estimate)
Density	1.2599 (rough estimate)
refractive index	1.5380 (estimate)
storage temp.	Inert atmosphere,Room Temperature
form	Crystalline Powder or Crystals
color	Beige to yellow-brown
Water Solubility	Reacts with water.
Sensitive	Moisture Sensitive
CAS DataBase Reference	4792-30-7(CAS DataBase Reference)
FDA UNII	BJC50EL71I
NIST Chemistry Reference	1,3-Isobenzofurandione, 4-methyl-(4792-30-7)
EPA Substance Registry System	1,3-Isobenzofurandione, 4-methyl- (4792-30-7)

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H315-H319-H335

Precautionary statements

P261-P280a-P304+P340-P305+P351+P338-P405-P501a

Hazard Codes

Risk Statements

36/37/38

Safety Statements

37/39-26

TSCA

TSCA listed

HS Code

29173995

NFPA 704

	0
2		0

3-Methylphthalic anhydride price More Price(48)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	M1464	3-Methylphthalic Anhydride >96.0%(T)	4792-30-7	1g	$45	2026-04-30	Buy
TCI Chemical	M1464	3-Methylphthalic Anhydride >96.0%(T)	4792-30-7	5g	$127	2026-04-30	Buy
Usbiological	281783	3-Methyl Phthalic anhydride Asreported	4792-30-7	1g	$426	2026-06-03	Buy
Usbiological	281783	3-Methyl Phthalic anhydride Asreported	4792-30-7	2g	$586	2026-06-03	Buy
Usbiological	281783	3-Methyl Phthalic anhydride Asreported	4792-30-7	5g	$909	2026-06-03	Buy

Product number	Packaging	Price	Buy
M1464	1g	$45	Buy
M1464	5g	$127	Buy
281783	1g	$426	Buy
281783	2g	$586	Buy
281783	5g	$909	Buy

3-Methylphthalic anhydride Chemical Properties,Uses,Production

Chemical Properties

pale yellow to pale brown crystalline powder

Uses

3-Methylphthalic anhydride can react with Methylamine hydrochloride to get 2,3-Dihydro-2,4-dimethyl-1H-isoindole-1,3-dione.

3-Methylphthalic anhydride Preparation Products And Raw materials

Raw materials

Preparation Products

1,2-Benzenedicarboxylic acid, 3-methyl-, 1-methyl ester (3-methyl-1,2-phenylene)dimethanol

3-Methylphthalic anhydride Suppliers

Global( 174)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Pure Chemistry Scientific Inc.	001-857-928-2050 or 1-888-588-9418	sales@chemreagents.com	United States	10174	62
Tetranov Biopharm	13526569071	sales@leadmedpharm.com	China	7882	64
Accela ChemBio Co.,Ltd.	021-50795510 4000665055	marketing@accelachem.com	China	10972	64
Shanghai Harvest Chemical Industrial Co., Ltd.	15721252604 17321035817	sales@harvest-chem.com	China	2829	64
Nanjing Chemlin Chemical Co., Ltd	025-83697070 13770331960	info@chemlin.com.cn	China	16305	64

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
Alfa Aesar	84
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61
Pure Chemistry Scientific Inc.	62
Tetranov Biopharm	64
Accela ChemBio Co.,Ltd.	64
Shanghai Harvest Chemical Industrial Co., Ltd.	64
Nanjing Chemlin Chemical Co., Ltd	64

View Lastest Price from 3-Methylphthalic anhydride manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-08-07	3-Methylphthalic Anhydride 4792-30-7	$1.00-22.00	1KG	99%	100000KG	Shaanxi Dideu Medichem Co. Ltd
2026-08-07	3-Methylphthalic anhydride 4792-30-7	$1.00-4.00	1KG	99%	200000KG	Shaanxi Dideu Medichem Co. Ltd
2020-01-10	METHYLPHTHALIC ANHYDRIDE 4792-30-7	$9.80	1KG	≥98%	20 tons	Career Henan Chemical Co

3-Methylphthalic Anhydride
4792-30-7
$1.00-22.00
99%
Shaanxi Dideu Medichem Co. Ltd

3-Methylphthalic anhydride
4792-30-7
$1.00-4.00
99%
Shaanxi Dideu Medichem Co. Ltd

METHYLPHTHALIC ANHYDRIDE
4792-30-7
$9.80
≥98%
Career Henan Chemical Co

3-Methylphthalic anhydride Spectrum

3-Methylphthalic anhydride(4792-30-7)MS 3-Methylphthalic anhydride(4792-30-7)¹HNMR 3-Methylphthalic anhydride(4792-30-7)IR1 3-Methylphthalic anhydride(4792-30-7)IR2

4792-30-7(3-Methylphthalic anhydride)Related Search:

3-Fluorophthalic anhydride Methylhexahydrophthalic anhydride Dimethyl phthalate Tetrahydromethyl-1,3-isobenzofurandione 3-Nitrophthalic anhydride

Glutaric anhydride Phthalonitrile Dibutyl phthalate Isatoic Anhydride cis-1,2,3,6-Tetrahydrophthalic anhydride

Trifluoromethanesulfonic anhydride Succinic anhydride Maleic anhydride Phthalic anhydride Phthalimide

Phthalamide Phthalhydrazide Acetic anhydride

1of4

METHYLPHTHALIC ANHYDRIDE 4-methyl-3-isobenzofurandione 4-Methyl-isobenzofuran-1,3-dione Phthalic anhydride, 3-methyl- AKOS BC-0005 3-METHYLPHTHALIC ANHYDRIDE 3-METHYLBENZENE-1,2-DICARBOXYLIC ANHYDRIDE 4-Methyl-1,3-dihydroisobenzofuran-1,3-dione 4-Methyl-1,3-isobenzofurandione 3-Methylphthalic anhydride,96% 3-Methyl ohthalic anhydride 3-Methyl-phthalic acid anhydride 2-Methylphthalic anhydride 3-Methylphthalic anhydride,4-Methyl-isobenzofuran-1,3-dione 1,3-Isobenzofurandione,4-methyl- 2,3-Toluenedicarboxylic anhydride 3-Methylphthalsαureanhydrid 4-Methyl-1,3-isobenzofurandion 4-Methyl-2-benzofuran-1,3-dione 3-MethylphthalicAnhydride> 4792-30-7 Phthalic Acids, Esters and Derivatives J's