ChemicalBook >> CAS DataBase List >>Homophthalic acid

Homophthalic acid

Homophthalic acid structure

CAS No.: 89-51-0

Chemical Name:: Homophthalic acid

Synonyms: 2-(CARBOXYMETHYL)BENZOIC ACID;2-CARBOXYPHENYLACETIC ACID;AKOS AUF2059;O-carboxylic acid;HOMOPHTHALIC ACID;HomoPhthalicAcidOr;RARECHEM AL BO 1086;HOMOPHTHALIC DIACID;HomophthalicAcid>Homophthalic acid,98%

CBNumber:: CB3462766

Molecular Formula:: C9H8O4

Molecular Weight:: 180.16

MDL Number:: MFCD00004326

MOL File:: 89-51-0.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 06:32:27

Product description	Number	Pack Size	Price
Homophthalic acid 98%	H16205	25g	$76
Homophthalic acid 98%	H16205	100g	$139
Homophthalic Acid >99.0%(T)	T0262	25g	$34
Homophthalic Acid >99.0%(T)	T0262	250g	$208
Homophthalic acid Asreported	278826	10g	$292
More product size

Request For Quotation

Homophthalic acid Properties

Melting point	178-182 °C (lit.)
Boiling point	389.5±17.0 °C(Predicted)
Density	1.392±0.06 g/cm3(Predicted)
storage temp.	Sealed in dry,Room Temperature
solubility	soluble in Dimethylformamide
form	Powder
pka	3.72±0.36(Predicted)
color	Off-white to light yellow or pale green
Water Solubility	12 g/L (20 ºC)
BRN	1872069
InChI	InChI=1S/C9H8O4/c10-8(11)5-6-3-1-2-4-7(6)9(12)13/h1-4H,5H2,(H,10,11)(H,12,13)
InChIKey	ZHQLTKAVLJKSKR-UHFFFAOYSA-N
SMILES	C1(CC(O)=O)=CC=CC=C1C(O)=O
CAS DataBase Reference	89-51-0(CAS DataBase Reference)
EWG's Food Scores	1
FDA UNII	3GE2MUV5GV
EPA Substance Registry System	Benzeneacetic acid, 2-carboxy- (89-51-0)
UNSPSC Code	12352100
NACRES	NA.22

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

PPE

Eyeshields, Gloves, type N95 (US)

Hazard Codes

Risk Statements

36/37/38

Safety Statements

22-24/25-37/39-26-36/37/39-27

WGK Germany

RTECS

CY1575590

TSCA

TSCA listed

HS Code

29173990

Storage Class

11 - Combustible Solids

NFPA 704

	0
2		0

Homophthalic acid price More Price(64)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	H16205	Homophthalic acid 98%	89-51-0	25g	$76	2026-04-30	Buy
Sigma-Aldrich	H16205	Homophthalic acid 98%	89-51-0	100g	$139	2026-04-30	Buy
TCI Chemical	T0262	Homophthalic Acid >99.0%(T)	89-51-0	25g	$34	2026-04-30	Buy
TCI Chemical	T0262	Homophthalic Acid >99.0%(T)	89-51-0	250g	$208	2021-12-16	Buy
Usbiological	278826	Homophthalic acid Asreported	89-51-0	10g	$292	2026-06-03	Buy

Product number	Packaging	Price	Buy
H16205	25g	$76	Buy
H16205	100g	$139	Buy
T0262	25g	$34	Buy
T0262	250g	$208	Buy
278826	10g	$292	Buy

Homophthalic acid Chemical Properties,Uses,Production

Chemical Properties

off-white to light yellow or pale green powder

Uses

antidepressant

Uses

A remainder phthalic acid.

Synthesis Reference(s)

The Journal of Organic Chemistry, 58, p. 4745, 1993 DOI: 10.1021/jo00069a047

Purification Methods

Crystallise the acid from boiling H2O (25mL/g; 63mL/g at 20o), aqueous AcOH (m 180o) Dry it at 100o. The S-benzylisothiuronium salt has m 155-156o (from EtOH). [Price Org Synth 22 611942, Grummitt et al. Org Synth Coll Vol III 449 1955, Beilstein 9 H 857, 9 II 617, 9 III 4266, 9 IV 3343.] The anhydride [703-59-3] M 162.1 has m 141-142o. [Beilstein 17/11 V 270.]

Homophthalic acid Preparation Products And Raw materials

Raw materials

Indene cis-1,2,3,4-tetrahydronaphthalene-2,3-diol 1,2-Phenylenediacetic acid

Preparation Products

1,3-Dichloroisoquinoline 2-(CYANOMETHYL)BENZOIC ACID 1,2,3,4-Tetrahydroisoquinoline-1,3-dione 5-BROMO-HOMOPHTHALIC ACID 2-(Benzyloxy)-4-phenethylisoquinoline-1,3(2H,4H)-dione

2-(4-methoxybenzyl)isoquinoline-1,3(2H,4H)-dione 2-(benzyloxy)isoquinoline-1,3(2H,4H)-dione

1of2

Homophthalic acid Suppliers

Global( 279)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	+8615350571055	Sibel@chuanghaibio.com	China	8738	58
Henan Fengda Chemical Co., Ltd	+86-371-86557731 +86-13613820652	info@fdachem.com	China	20122	58
Capot Chemical Co.,Ltd.	+86-（0）57185586718 +86-13336195806	sales@capot.com	China	29640	60
Nanjing Dolon Biotechnology Co.,Ltd.	18905173768	52513593@qq.com	CHINA	2972	58
CONIER CHEM AND PHARMA LIMITED	+8618523575427	sales@conier.com	China	49979	58
career henan chemical co	+86-0371-86658258 +8613203830695	factory@coreychem.com	China	29792	58
Hefei TNJ Chemical Industry Co.,Ltd.	+86-0551-65418671 +8618949823763	sales@tnjchem.com	China	34563	58
Shanghai UCHEM Inc.	+862156762820 +86-13564624040	sales@myuchem.com	China	8740	58
Shaanxi Dideu Medichem Co. Ltd	+86-029-89586680 +86-18192503167	1026@dideu.com	China	9996	58
AFINE CHEMICALS LIMITED	+86-571-85134551	info@afinechem.com	China	15083	58

Supplier	Advantage
Hebei Chuanghai Biotechnology Co., Ltd	58
Henan Fengda Chemical Co., Ltd	58
Capot Chemical Co.,Ltd.	60
Nanjing Dolon Biotechnology Co.,Ltd.	58
CONIER CHEM AND PHARMA LIMITED	58
career henan chemical co	58
Hefei TNJ Chemical Industry Co.,Ltd.	58
Shanghai UCHEM Inc.	58
Shaanxi Dideu Medichem Co. Ltd	58
AFINE CHEMICALS LIMITED	58

View Lastest Price from Homophthalic acid manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-03-20	Homophthalic acid 89-51-0	$1.00	1kg	99%	10 mt	Hebei Chuanghai Biotechnology Co., Ltd
2025-09-25	Homophthalic acid 89-51-0	$1.00-50.00	1KG	99%		Henan Fengda Chemical Co., Ltd
2022-02-19	Homophthalic acid 89-51-0		1KG	99.2%	100 tons	Honest Joy Holdings Limited

Homophthalic acid
89-51-0
$1.00
99%
Hebei Chuanghai Biotechnology Co., Ltd

Homophthalic acid
89-51-0
$1.00-50.00
99%
Henan Fengda Chemical Co., Ltd

Homophthalic acid
89-51-0
$0.00
99.2%
Honest Joy Holdings Limited

Homophthalic acid Spectrum

Homophthalic acid(89-51-0)MS Homophthalic acid(89-51-0)¹HNMR Homophthalic acid(89-51-0)IR1 Homophthalic acid(89-51-0)IR2 Homophthalic acid(89-51-0)Raman

89-51-0(Homophthalic acid)Related Search:

Diallyl phthalate Diisooctyl phthalate 2-Hydroxyphenylacetic acid Folic acid Phenethyl phenylacetate

Diethyl phthalate 4-Methoxyphenylacetic acid Ethyl 2-(Chlorosulfonyl)acetate 2-Methylphenylacetic acid Diisobutyl phthalate

4-Hydrazinylbenzoic acid 5-Carboxyphthalide Diisononyl phthalate Potassium hydrogen phthalate 4-Hydroxyphenylacetic acid

Citric acid Glycine α-Lipoic Acid

1of4

TOLUENE-2,ALPHA-DICARBOXYLIC ACID 2-carboxy-benzeneaceticaci alpha-carboxy-o-toluicaci Homophthalic acid,α-Carboxy-o-toluic acid, 2-Carboxyphenylacetic acid Homophthalic diacid (anhydride) O-carboxylic acid Benzeneacetic acid, 2-carboxy- o-Carboxybenzeneacetic acid Toluene-a,2-dicarboxylic acid o-Carboxy-α-toluic acid Homophthalic acid,98% HoMophthalic acid, 98% 25GR HoMophthalic acid 98% RARECHEM AL BO 1086 (O-CARBOXYMETHYL)BENZOIC ACID o-carboxylphenylaceticacid toluene-alpha,2-dicarboxylicacid α-Carboxy-o-toluicacid HOMOPHTHALIC DIACID HOMOPHTHALIC ACID ALPHA-CARBOXY-O-TOLUIC ACID AKOS AUF2059 2-CARBOXYBENZENEACETIC ACID o-Carboxyphenylacetic acid 2-CARBOXYL PHENYLACETIC ACID HomoPhthalicAcidOr CarboxyphenylAceticAcid α,2-toluenedicarboxylic acid α-Carboxy-o-toluic acid, 2-Carboxyphenylacetic acid a-Carboxy-o-toluic acid O-CARBOXYPHENYLACETIC ACID / HOMOPHTHALIC ACID HOMOPHTHALIC ACID (2-CARBOXYPHENYLACETIC ACID) 2-(carboxylatomethyl)benzoate HomophthalicAcid> Homophthalic Acid (Stellar-2001) HOMOPHTHALIC ACID (THIRD PARTY INV NO:CN 2-(carboxymethyl)benzoic acid - [C26276] 2-(CARBOXYMETHYL)BENZOIC ACID 2-CARBOXYPHENYLACETIC ACID 89-51-0 HO2CCH2C6H4CO2H HOOCC6H4CH2COOH C9H8O4 C9 Carboxylic Acids Carbonyl Compounds Building Blocks Organic Building Blocks Building Blocks C9 Carbonyl Compounds Carboxylic Acids Chemical Synthesis Organic Building Blocks Aromatic Phenylacetic Acids and Derivatives