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Isophthalic acid

BGC Id:110114485947
CAS No:121-91-5
Synonyms:kyselinaisoftalova ; acide isophtalique ; isophthalic ; meta-phthalicacid ; ipa)isophthalic ; isophthalic acid ; 1,3-phthalicacid ; acideisophtalique ; isophthalate ; m-phthalic acid
Molecular Formula:C8H6O4
Molecular Weight:166.13084
EINECS:204-506-4
Structural Formula

2025 - The most valued supplier

The following 19 notable providers have been checked and can be recommended.
Chemical-Suppliers
Unilong Industry
Melting point : 341-343 °C (lit.) Boiling point : 214.32°C (rough estimate) Density : 1,54 g/cm3 Vapor pressure : 0Pa at 25℃ Refractive Index : 1.5100 (estimate) pKa : 3.54(at 25℃) Water solubility : 0.01 g/100 mL (25 ºC)
Chemical-Suppliers
Sancai Industry
PURITY 99.9%MIN
META TOLUIC ACID PPM 150 PPM/MAX
3CBA PPM 25PPM/MAX
FE PPM 2.0MAX
CO PPM
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Chemical-Suppliers
BLD Pharmatech
Smile code: O=C(O)C1=CC=CC(C(O)=O)=C1 MDL Number: MFCD00002516 Purity : 98% Available in stock: 114305 g
Chemical-Suppliers
Leap Chem
Molecular Formula: C8H6O4 Molecular Weight: 166.13084

The last intensive check and update was carried out on 2025/09/17.

Identify

Synonyms:
kyselinaisoftalova ; acide isophtalique ; isophthalic ; meta-phthalicacid ; ipa)isophthalic ; isophthalic acid ; 1,3-phthalicacid ; acideisophtalique ; isophthalate ; m-phthalic acid
CAS:
121-91-5
EINECS:
204-506-4
Molecular Formula:
C8H6O4
MDL:
MFCD00002516
SMILES:
CCCCCCCCCCCCCCCCCC(=O)OCCCC

Properties

Molecular Weight:
166.13084 g·mol−1
Density:
1,54 g/cm3
Melting point:
341-343 °C(lit.)
Solubility:
Soluble in 1N NaOH
download Download Molfile

Suppliers

ICC Chemical Corporation

Global manufacturer and supplier of chemical and pharmaceutical ingredients. ICC Chemical Corporation is an integral part of the ICC Industries Inc. group of companies. (www.iccindustries.com). Phthalic anhydride también será proporcionada por nosotros. ICC Chemical Corporation markets and distributes chemical, plastic and pharmaceutical products, always acting as a principal and never as a middleman, continuing a tradition that began over fifty years ago. Headquartered in New York City, with thirty offices and representatives arou ...
País: USA   Teléfono: +1-212-521-1700   Fax: +1-212-521-1946

Zouping Mingxing Chemical Co., Ltd.

Tipo de compañía: Producer
País: P.R.China
Teléfono: +86-13605431940
Fax: +86-543-2240068
Zouping Mingxing Chemical Co., Ltd lies at the west of the Huangshan Mountain in Zouping city, near to Zibo and Qingdao in the east, Japan in the west and Ji-Qing Expressway in the south, enjoying convenient transportation and favorable geographic location. Our company set up in 2002, is the pilot-scale experiment base of UNILAB Research Center of Chemical Reaction Engineering, Zhejiang University, and has established the long-term technical cooperation relationship with the ...

Biesterfeld Spezialchemie GmbH

Somos vendedor de 2-(2-(2-Thienyl)ethyl)benzoic acid. Biesterfeld Spezialchemie is one of the leading international distributors of specialty chemicals. As solution provider we offer: a broad range of innovative raw materials, customer-specific advice and solution-oriented, technical expertise, formulation know-how, comprehensive market knowledge, close long-term cooperation with leading global suppliers, efficient logistic processes and customised logistical solutions, proximity to our customers thanks to branches in Eur ...
Tipo de compañía: Import and export company
País: Germany
Teléfono: +49-40 32008 326
Fax: +49-40 32008 696

Simagchem Corporation

Tipo de compañía: Bulk chemical producer
Your partner in China for chemicals business. 2,4-Dimethoxyphenylboronic acid también será proporcionada por nosotros. Expertize in supplies and sources of fine, specialty, pharmaceutical chemicals and intermediates. WE offer high quality products and JIT services with instant market intelligence in China, custom synthesis in our 3 production sites, famous principals as Brenntag, Univar,S inopec, Grace, Petrobras, DKSH, Formitex, Evonik, Merck, TCI, Sanofi, Chemo with creditable reputation and business cooperation.
País: P.R.China   Teléfono: +86 592 2680 277   Fax: +86 592 2680 237

Unilong Industry Co.,Ltd

Tipo de compañía: Bulk chemical producer
País: P.R.China
Teléfono: +86-15668417750
Fax: +86-531-55690079

Shandong Ench Chemical Co.,Ltd

Shandong Ench Chemical Co.Ltd is a professional manufacturers and supplier in the world ,the main product include chemical pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc. It is a privet-owned enterprise and located in Zhangqiu industrial park, We believe that quality is the life of our company. Shandong Ench Chemical Co.,Ltd también ofrece 3,4-Dihydroxybenzophenone. We manufacture our products in strict accordance with ISO9001: 2000 quality management system during the whole entire ...
Tipo de compañía: Producer
País: P.R.China
Teléfono: +86-13869131854
Fax: +86 531-8637666

Sancai Industry Co.,Ltd.

Tipo de compañía: Leading producer
Sancai Industry is involved in supplying of fine chemicals, food and nutrition,personal care, medical intermediate etc, We can also customize chemicals for our customers.Taking advantage of innovative technology and excellent talents and through over 15 years of development,We have stabled good relation with clients in and abroad. In order to be competitive on the market. We have established the global marketing network, independent research center, testing center, and key ...
País: P.R.China   Teléfono: +86-531-88913079   Fax: +86-531-88913079

H&Z Industry Co.,Ltd

País: P.R.China
Teléfono: +86 13583185792
Fax: +86 531 88905468
H&Z Industry Co.,Ltd is a large reliable and professional manufacturer of chemical materials and pharmaceutical intermediate. Además Amyl salicylate es suministrada por nosotros. With about 10 years experiences in this field, now we are a capable provider of customized product, and we can provide gram level to ton level of products. What we can give to customers: thoughtful services, high-quality products, competitive price, Looking forward building long-term cooperative relationships with our business partners.

Lori Industry Co., Ltd

Lori industry Co., Ltd was established in 2002 years. It is a large-scale manufacturer integrating R&D, produce and sales. Our products mainly cover fine chemicals, organic intermediates, biological buffers, agricultural fertilizers and other chemicals . Among them, the sales proportion of organic chemicals and agricultural fertilizers is at the forefront of the domestic market. 5-Nitroisophthalic acid también es servida por Lori Industry Co., Ltd. From 2013 to 2022 years, through cooperation with foreign trade companies, customers visitation, ...
Tipo de compañía: Bulk chemical producer
País: P.R.China
Teléfono: +86-13011713125
Fax: +86-13011713125

Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd)

Tipo de compañía: Producer
Hangzhou Meite Industry Co., Ltd. is an international high-tech enterprise founded in 1998, specialized in R&D and manufacture on intermediates, medicines, agrochemical, dyestuff, flavor, fragrance, cosmetic, natural extracts series products. Suministramos nuestros productos bis-(o-Aminophenoxy)-ethane química. We have an efficient R&D centre, get a strong technical support from Zhejiang University of Technology and Institute of Chemistry, Wuhan Branch, Chinese Academy of Sciences. Our factory Hangzhou Meite Chemical Co.,Ltd. is located in Fi ...
País: P.R.China   Teléfono: +86 571 88026825   Fax: +86 571 88282557

Dayang Chem (Hangzhou) Co.,Ltd.

Tipo de compañía: Leading producer
País: P.R.China
Teléfono: +86-571-88938639
Fax: +86-571-8893-8652
Hangzhou DayangChem Co. Ltd is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates as well as some special type reagents. We have an own factory and share enterprises. Somos surtidor de Methaphenilene. We act also as agent of many chemical factories and promote their products to the international market at very competitive price. We take "Credi first, Clients supreme" as our aim. We expect to cooperate with more partners in ...

Nantong Xindao Biotech Ltd

XINDAO is a world leading biochemical company formed by a professional team.The company specializes in the production, development and sales of animal health, crop science, nutrition and health care, skin care raw materials, fine chemicals and other products. Además 4-Nitrophenyl-beta-D-glucopyranoside es suministrada por nosotros. At present, more than 300 kinds of products can be mass produced, which are widely used in chemical industry, health, agriculture, animal husbandry, biochemical research and other high-end fields. XINDAO pays attention ...
Tipo de compañía: Leading producer
País: P.R.China
Teléfono: +86 19033786557

Shandong SanYoung Industry Co., Ltd

Shandong SanYoung Industry Co., Ltd is a scientific and technological company specializing in research and development, cooperative production and sales of chemical products. The company's main products include: photoinitiator; light stabilizer; polymer retardant; ultraviolet absorbent; fine chemical products and pharmaceutical intermediates, we can also customize chemicals for our customers. Además 2-Phenylimidazole es suministrada por nosotros. Our company has a large number of customers with good reputation at home and abroad, ...
País: P.R.China   Teléfono: +86 155-64526813   Fax: +86 531-56897532

AK Scientific, Inc.

Tipo de compañía: Supplier
País: USA
Teléfono: +1 (510) 429-8835
Fax: +1 (510) 429-8836
AK Scientific provides fine chemicals and advanced intermediates to our customers worldwide. Somos vendedor de Methyl 2-chloro-4-thiazolecarboxylate. Currently, we have over 16.000 in stock, ready to ship products, at our California warehouse and this number is increasing weekly. All these products are stocked in multiple, convenient, sizes to fit your specific needs. Purchases are shipped on the same day your order is placed (before 4PM, Pacific Time) to ensure on-time delivery. AK Scientific products can be searched by Name (or ...

BLD Pharmatech Ltd

Founded in 2014 and headquartered in Shanghai, China, BLD Pharmatech Ltd. with more than 600,000 items, scale up manufacture and custom services is a leading manufacturer and supplier of diversified research chemicals in the industry. Somos vendedor de 5-Nitro-3-pyrazolecarboxylic acid. Our considerable stock of a wide range of laboratory chemicals, from heterocycles, boron acids, amino acids, metal catalysts to chiral compounds, is ready for worldwide shipping. The ISO certifications and DUNS registration are our testimonie ...
Tipo de compañía: Supplier
País: P.R.China
Teléfono: +86-21-61629022
Fax: +86-21-50201702

Skyrun Industrial Co., Ltd.

Tipo de compañía: Leading producer
Skyrun Industrial Co.Limited, established in 2003, a state-controlled company (By Skyrun Corp. & High Hope) in China, specializing in developing, producing and handing raw pharmaceutical material and intermediates. We have expanded a compositive entity from initially only as a small manufacturer. Somos vendedor de 1-(4-Nitrophenyl)-3-pyrrolidino-2-pyrazolin-5-one. We have extensive knowledge of domestic and international pharmaceutical markets. Our working range can be start from small amount in research stage to big bulk for industrial produc ...
País: P.R.China   Teléfono: +86-576-84015261   Fax: +86-576-84015261

Leap Chem Co., Ltd

Tipo de compañía: Bulk and laboratory supplier
País: P.R.China
Teléfono: +852-30606658
LEAPChem, a specialized fine chemicals supplier for research, development and production. LEAPChem provides nearly 50,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities. As a highly customer-oriented enterprise, we are committed to providing high-quality customer services and products to our global customers in a cost-effective and efficient manner. Our client list includes many major pharmac ...

BIOZOL Diagnostica Vertrieb GmbH

Chemos®, a subsidiary of BIOZOL Diagnostica Vertrieb GmbH, is a leading supplier of ready to use solutions for the lab and chemical industry. BIOZOL Diagnostica Vertrieb GmbH es un vendedor de 1,1-Difluoroethylbenzene. We are producing reagents and standards for the analytical lab and supplying raw materials for the chemical and pharmaceutical industry. The base of our solutions are a portfolio of ~ 200.000 raw materials where ~ 50.000 are already available for R+D ready to order in our shop. We are supplying and producing lab quantities from tiny qua ...
Tipo de compañía: Supplier of chemical products
País: Germany
Teléfono: +49-871-966346-0
Fax: +49-871-966346-13

BuGuCh & Partners

Tipo de compañía: Producer
We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing. We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures. We maintain independently or are partners of some production sites in Europe, Asia and South America. Our global network is a strength. Our products range from natural gas, oil and basic chemi ...
País: Germany  

Safety Information

Hazard Classes:
Risk Codes:
36/37/38 (R)
Safety Codes:
24/25-36-26 (S)
WGK Germany:
2
RTECS:
NT2007000

What other providers are available for CAS 121-91-5?

In addition to the providers presented here for Isophthalic acid with the CAS number 121-91-5, there are other 20 providers with slightly different product names available for this CAS number.

Chemical-SuppliersPIA
Janex S.A.
+1 additional providers that we know from the past
BuGuCh & Partners +3 additional providers that we know from the past
+1 additional providers that we know from the past
Sancai Industry Co.,Ltd. | Xiamen Equation Chemical Co.,Ltd | Skyrun Industrial Co., Ltd. +7 additional providers that we know from the past
+1 additional providers that we know from the past




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