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Factory supply High purity Organic Intermediate Maleic Acid

Name: Factory supply High purity Organic Intermediate Maleic Acid
Brand: Shijiazhuang Yangda Import and Export Trade Co., L
SKU: pr2504161928
Price: 1850 USD
Availability: InStock

15 Inquiries

Unit Price: Get Latest Price 

CAS No.:

110-16-7

Grade:

Industrial Grade

Content:

99.5%

Port:

Qingdao

Brand:

Shijiazhuang Yangda Import and Export Trade Co., L

Packaging:

25kg/bag

Price valid (until):

2025-08-31

Contact Supplier

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Shijiazhuang Yangda Import and Export

Company Type:

Trader

Location:

China

Qualification:

Main Products:

titanium dioxide,edta,sles,labsa,zinc oxide,paraffin wax

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Product Description
Seller Information
Inquiry History

Description

Product Detail

Product Name Maleic acid

CAS NO. 110-16-7
Description
White crystals or powder with good stability, dissolving easily in waterand alcohol, a king of stronger organic acid.

Chemical Nam Cis-butenedioic acid

Molecular Formula C4H4O4

Structural Formula
Molecular Weight 116.07

Maleic Acid (CAS: 110-16-7) is a versatile organic compound with widespread applications across various industries, including chemicals, agriculture, and pharmaceuticals. In the chemical industry, it plays a pivotal role in the production of synthetic resins, plasticizers, coatings, and plastics. It is also used to produce Maleic Anhydride, a crucial chemical intermediate.

In agriculture, Maleic Acid is employed as an enhancer and stabilizer in pesticides and fertilizers, improving efficacy and extending shelf life.

In pharmaceuticals and food industries, Maleic Acid serves as an intermediate for drug synthesis and is used in food and beverages as an acidulant and preservative Shop Factory supply High purity Organic Intermediate Maleic Acid-Detailed Image 1

Items	Specifications
Appearance	White Powder
Melting point	130-135 °C (lit.)
density	1.59 g/mL at 25 °C (lit.)
refractive index	1.5260 (estimate)
Boiling point	275°C

Application

1. Chemical Industry
Maleic Acid is an essential organic compound widely used in the production of synthetic resins, plasticizers, coatings, and plastics. It is commonly used to produce Maleic Anhydride and other chemical intermediates.

2. Agriculture
In agriculture, Maleic Acid is utilized as an enhancer and stabilizer in pesticides and fertilizers, improving their effectiveness and extending their shelf life.

3. Pharmaceuticals and Food Industry
In the pharmaceutical industry, Maleic Acid is used as an intermediate for drug synthesis, playing a crucial role in the production of various medications. It is also used in food and beverages as an acidulant and preservative.

Main function and purpose Maleic acid is mainly used to manufacture unsaturated polyester resin, pesticide, tartaric acid, fumaric acid, succinic acid, DL-Malic acid, dyeing auxiliary and preservative grease.

Packaging

25kg/bag Shop Factory supply High purity Organic Intermediate Maleic Acid-Detailed Image 3

Company introduction

Shijiazhuang Yangda Import and Export Trading Co., Ltd. is located in Shijiazhuang City, Hebei Province, covers an area of 800 mu, and has more than 5,000 employees. The main products are paraffin, titanium dioxide, zinc oxide, alumina, phthalic anhydride, isononyl alcohol sles,pvc, PP, pa6, pa66, pbt, abs), filler substrates, flame retardants, antioxidants, flexible agents, plasticizers and other chemical raw materials and plastic particles. After years of efforts and development, we have a certain scale, with a technical service team, to provide users with high-quality, professional services. Shop Factory supply High purity Organic Intermediate Maleic Acid-Detailed Image 4

FAQ

Q1: Can i get some samples? A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.

Q2: How to start orders or make payments? A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, Paypal.

Q3: How to confirm the Product Quality before placing orders? A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

Q4:What's your MOQ? A:Our MOQ is 1kg. But usually we accept less quantity, such as 100g on the condition that sample charge is 100% paid.

Q5: How about delivery lead time? A:Delivery lead time: About 3-5 days after payment confirmation. (Chinese holiday not included)

Basic Info

Product Name:

Maleic acid

Other Name:

2-Butenedioic acid (2Z)-;Maleic acid;2-Butenedioic acid (Z)-;(2Z)-2-Butenedioic acid;cis-Butenedioic acid;cis-1,2-Ethylenedicarboxylic acid;Maleinic acid;Toxilic acid;2-Butenedioic acid,(Z)-;cis-2-Butenedioic acid;Scotchbond Multipurpose Etchant;Malezid CM;(2Z)-Butene-2-dioic acid;(Z)-2-Butenedioic acid;1975169-66-4

CAS No.:

110-16-7

Molecular Formula:

C4H4O4

InChIKeys:

InChIKey=VZCYOOQTPOCHFL-UPHRSURJSA-N

Molecular Weight:

116.07

Exact Mass:

116.07

BRN:

605762

EC Number:

203-742-5

UNII:

91XW058U2C

ICSC Number:

1186

NSC Number:

25940

UN Number:

2215|3261

DSSTox ID:

DTXSID8021517|DTXSID6051227|DTXSID2044008

NCI Thesaurus Code:

C25951

Color/Form:

Monoclinic prisms from water|White crystals from water, alcohol and benzene|Colorless crystals

HScode:

29173990

Categories:

Carboxylic Acids and Derivatives

Characteristics

PSA:

74.60000

XLogP3:

-0.01

Appearance:

White Powder/Solid

Density:

1.590 g/cm³ @ Temp: 20 °C

Melting Point:

131 °C

Boiling Point:

110 °C

Flash Point:

127 °C

Refractive Index:

1.526

Water Solubility:

H2O: 790 g/L (25 ºC)

Storage Conditions:

Store at RT.

Vapor Pressure:

1.34X10-5 mm Hg at 25 deg C (OECD Guideline 104 (Vapor Pressure Curve))

Vapor Density:

4.0 (Air = 1)

Odor:

Faint acidulous odor

Taste:

Characteristic repulsive, astringent taste

PKA:

1.83None

Henrys Law Constant:

Henry's Law constant = 1.4X10-12 atm-cu m/mol at 25 °C (est)

Dissociation Constants:

1.83|pKa1 = 1.94, pKa2 = 6.22 at 25 °C (OECD Guideline 105)

Collision Cross Section:

112.5 Å² [M-H]-

Experimental Properties:

Heat of combustion: -1356.3 kJ/mol (crystal)|Heat of combustion: -2,800 cal/g = -117x10+5 J/kg|log Kow = -1.3 at pH 2.5 and 20 °C|Hydroxyl radical reaction rate constant = 7.95X10-12 cu cm/molecule-sec at 25 °C (est)|Ozone reaction rate constant = 8.8X10-19 cu cm/molecule-sec at 25 °C (est)

Air and Water Reactions:

Soluble in water.

Reactive Group:

Acids, Carboxylic

Reactivity Profile:

MALEIC ACID is a colorless to white crystalline solid. Moderately toxic. When heated to decomposition it emits irritating fumes and acrid smoke [Lewis, 3rd ed., 1993, p. 790].

Heat of Combustion:

-1355.2 kJ/mol

Corrosivity:

May corrode metals when wet.

See More Maleic acid Properties 

Hazard Identification

Classification of the substance or mixture

Acute toxicity - Category 4, Oral

Skin irritation, Category 2

Eye irritation, Category 2

Skin sensitization, Category 1

Specific target organ toxicity â single exposure, Category 3

GHS label elements, including precautionary statements

Precautionary statement(s)
Pictogram(s)
Signal word	Warning
Hazard statement(s)	H302 Harmful if swallowed H315 Causes skin irritation H319 Causes serious eye irritation H317 May cause an allergic skin reaction H335 May cause respiratory irritation
Prevention	P264 Wash ... thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P272 Contaminated work clothing should not be allowed out of the workplace. P271 Use only outdoors or in a well-ventilated area.
Response	P301+P317 IF SWALLOWED: Get medical help. P330 Rinse mouth. P302+P352 IF ON SKIN: Wash with plenty of water/... P321 Specific treatment (see ... on this label). P332+P317 If skin irritation occurs: Get medical help. P362+P364 Take off contaminated clothing and wash it before reuse. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P333+P317 If skin irritation or rash occurs: Get medical help. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P319 Get medical help if you feel unwell.
Storage	P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up.
Disposal	P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

Other hazards which do not result in classification

no data available

Handling and Storage

Precautions for safe handling

NO open flames. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Conditions for safe storage, including any incompatibilities

Provision to contain effluent from fire extinguishing. Separated from food and feedstuffs. Dry.Keep container tightly closed in a dry and well-ventilated place. Keep in a dry place. Storage class (TRGS 510): Non Combustible Solids

See More Maleic acid Safety Data Sheet 

Seller Information

Business Type:
Trader

Main Products:
titanium dioxide,edta,sles,labsa,zinc oxide,paraffin wax

Location:
Room 1-1915, Building 4, Jade Building, 356 Xinshi North Road, Qiaoxi District, Shijiazhuang City, Hebei Province

Payment Terms:
TT against copy of documents,L/C

Average lead Time:
7

Total Annual Revenue:
$1 million-$2.5 million

Total Employees:
11-50

Year of Establishment:
2025

We specialized in manufacturing and supplying food additives & Ingredients, such as Thickeners, Food Sweeteners, Condiments, Nutrition Enhancers, Perservatives and so on; Aim to safeguard the health of human diet as our company′ S service purpose. Provide customers with nutritious, environmentally friendly, healthy, and safe food additives & Ingredients. And established win-win cooperation and supply platform with customers. With the principles of Quality first, Honest business. We have the professional team who is focus on the marketing, sourcing, logistic, insurance & after sales service with abundant work experience.

Inquiry History

15 Inquiries

Country	Product	Purchase Quantity	Date Posted
India	Maleic	25.00 MT	Oct 9, 2025
India	Maleic acid	7 20' Fcl	Aug 18, 2025
India	MALEIC	5 20' Fcl	Aug 5, 2025
India	MALEIC acid	2 20' Fcl	May 19, 2025
United States	MALEIC ACID	1528 KG	Feb 29, 2024
India	Maleic Acid (pharma grade)	10 MT	Oct 30, 2023
United States	Maleic acid	25 KG	Oct 17, 2023
Malaysia	Maleic Acid	150 KG	Jan 9, 2026
Russia	maleic acid	1 20' Fcl	Nov 12, 2024
Russia	maleic acid	1 20' Fcl	Nov 11, 2024
India	MALEIC ACID -99%	1000.00 KG	Mar 8, 2024
India	Maleic Acid (pharma grade)	10 MT	Oct 28, 2023
Pakistan	Maleic Acid	100 KG	May 4, 2025
United States	MALEIC ACID	1528 KG	Jan 30, 2024
Nigeria	MALEIC ACID	1000 KG	Oct 17, 2023

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Factory supply High purity Organic Intermediate Maleic Acid

Product Description

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