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Home > Organic Chemistry > Carboxylic Acids and Derivatives > Oxalic acid for Sale > Oxalic Acid 99.6% H2c2o4 99.6 144-62-7 Crystal Industrial Grade 2H2O Dihydrate Price Rust Removal
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Oxalic Acid 99.6% H2c2o4 99.6 144-62-7 Crystal Industrial Grade 2H2O Dihydrate Price Rust Removal

48 Inquiries

Unit Price:

$400-520/MT FOB

Get Latest Price
CAS No.:

144-62-7

Grade:

Industrial Grade

Content:

99.6%

Port:

Tianjin

Brand:

Fengda

Packaging:

25kgs/ 500kgs/ 1000kgs

Sample Available:

Yes

Price valid (until):

2026-11-15

Company Type:
Trader
Location:
China
Payment Terms:
D/P,L/C,TT against B/L draft before shipment
Qualification:
Main Products:

oxalic acid,formic acid,calcium formate,sodium formate,humic acid,sodium humate

  • Product Description

  • Seller Information

  • History Price

  • Inquiry History

  • Description

    Shop H2c2o4 99.6 6153-56-6 Crystal Industrial Grade 2H2O Dihydrate Price Ethanedioic Oxalic Acid-Detailed Image 1 Shop H2c2o4 99.6 6153-56-6 Crystal Industrial Grade 2H2O Dihydrate Price Ethanedioic Oxalic Acid-Detailed Image 2 Shop H2c2o4 99.6 6153-56-6 Crystal Industrial Grade 2H2O Dihydrate Price Ethanedioic Oxalic Acid-Detailed Image 3 Shop H2c2o4 99.6 6153-56-6 Crystal Industrial Grade 2H2O Dihydrate Price Ethanedioic Oxalic Acid-Detailed Image 4 Shop H2c2o4 99.6 6153-56-6 Crystal Industrial Grade 2H2O Dihydrate Price Ethanedioic Oxalic Acid-Detailed Image 5 Shop H2c2o4 99.6 6153-56-6 Crystal Industrial Grade 2H2O Dihydrate Price Ethanedioic Oxalic Acid-Detailed Image 6 Shop H2c2o4 99.6 6153-56-6 Crystal Industrial Grade 2H2O Dihydrate Price Ethanedioic Oxalic Acid-Detailed Image 7 Shop H2c2o4 99.6 6153-56-6 Crystal Industrial Grade 2H2O Dihydrate Price Ethanedioic Oxalic Acid-Detailed Image 8


    OXALIC ACID (synthesis) Specification:

    I tem

    Specification

    Oxalic Acid c ontent

    99.6% Min .

    Sulphate ( as SO 4 )

    0. 0 05 % Max .

    Heavy Metals ( as Pb)

    0.0005% Max .

    Iron  ( as Fe)

    0.0005% Max .

    Chloride ( as C l )

    0.0005% Max .

    Calcium (as Ca)

    0.0005% Max.

    Ignition Residue ( 6 50ºC)

    0.0 1 % Max .

    OXALIC ACID (oxidation)  Specification:

    I tem

    Specification

    Oxalic Acid c ontent

    99.6% Min .

    Sulphate ( as SO 4 )

    0. 3 % Max .

    Heavy Metals ( as Pb)

    0.0005% Max .

    Iron  ( as Fe)

    0.0005% Max .

    Chloride ( as C l )

    0.002% Max .

    Calcium (as Ca)

    0.0005% Max.

    Ignition Residue ( 6 50ºC)

    0.0 3 % Max .

    Property:

    White transparent crystal combining two crystal water . Melting Point: 101°C-102°C ,  Specific Gravity: 1. 772,  easily sublimate at 100°C, easily dissolve in alcohol and water.


    Packing:  

    1.   In plastic woven bag 25kg net, lined with PE bag .

    2. In jumbo bag , 500kgs or 1000kgs or customized weight .

    The above mentioned all can be p alletized & stretch wrapped.


    Usage:  

    1. In m etallurgy industry: as precipitating and separating function for r are-earth metal.  

    2. In pharmaceutical industry: used in Tetracycline, Oxytetracycline, Phenobarbital, and Borneol, etc.  

    3. In l ight industry: polishing for m arble, rust-remover, bleaching, dirt-remover, leather-processing, wood, and aluminium products etc.

    4. In d yeing and printing industry: as reducing agent for dyeing and printing industry, as bleaching agent for textile, substitute for A cetic a cid, as coloring mordant for fast pigment dyestuff.  

    5. In organic synthetic: used in 2133 resin, Urea-formaldehyde molding powder, Butadiene catalyst, etc.  

    6. In electron industry: preparation of chemicals raw material for porcelain capacitor, preparation of electron equipment detergent.

    7. In other aspects: as analysis reagent, raw material of chemicals.


    Broad World, Global Reputation

    Mudanjiang Fengda Chemicals Corporation was founded in 1995,it is a specialized manufacturing and operating chemical enterprise which authorized and approved by MOFCOM, we have passed ISO9001:2015 Quality Management System Certification, have got FULL REACH registration, FAMI-QS certification for partial products exported to EU. Have Got KKDIK registration for some products exported to Turkey, also have got K Reach registration for some products exported to South Korea. 

    Our company own variety of export products which are widely used in chemical, textile printing & dyeing, leather processing, fertilizer, water treatment, construction industry, food &feed additives and other areas. Oxalic acid, formic acid, sodium formate, calcium formate, sodium sulphide, series of humic acid, sodium hydrosulphide, ammonium chloride, sodium thiosulfate, and calcium nitrite are partial strong products. Among them, Oxalic acid occupy largest export volume and export to more than 100 countries and regions in the Europe, America, Asia, Africa and other continents, winning customers praise with its superior quality , favorable price and excellent service. For over 30 years, stick to business philosophy of" integrity, diligence, fighting, innovation ", Fengda chemicals has built long term & stable trade relationship with more than 100 countries and regions in the world.

    We are located in significant city- Mudanjiang, Heilongjiang province. This city has reputation of “ small Jiangnan in north of China ” . Here are world famous Alpine barrier lake named Jingpo Lake, mist-covered Xingkai Lake and Siberian Tiger Nature Reserve Park with highly distinctive, etc. Due to the beautiful scenery and pleasant climate, Mudanjiang is the tourist resort aspired by domestic and foreign guests.

    Hereby Chairman of the board-Mr. Wang Jiansheng with all his staff, sincerely hope to cooperate with more friends in the world and seek common developments.

    ECHEMI Editorial Reference
    Oxalic acid gets its name from the fact that early researchers isolated it from flowering plants of the genus Oxalis. It is the simplest dicarboxylic acid, a colorless monoclinic flaky or prismatic crystal or white powder, which dissolves in water to form a colorless solution. Oxalic acid produced by oxidation is odorless, while synthetic oxalic acid has a taste. It sublimates at 150-160°C and can weather in hot dry air. 1 g of oxalic acid dissolves in 7 mL of water, 2 mL of boiling water, 2.5 mL of ethanol, 1.8 mL of boiling ethanol, 100 mL of ether, and 5.5 mL of glycerol, and is insoluble in benzene, chloroform, and petroleum ether. The pH of a 0.1 mol/L solution is 1.3, the chemical formula is H₂C₂O₄, the relative density is 1.653, and the melting point is 189.5°C. It is present in many foods and is a naturally occurring compound in many fruits, vegetables, nuts, and whole grains. Although small amounts of oxalic acid are harmless, this compound can inhibit the absorption of other important nutrients. Excessive intake of oxalic acid or prolonged skin contact can be dangerous. It easily forms calcium oxalate with calcium ions in the human body, leading to kidney stones, so oxalic acid is often considered an antagonist of mineral absorption and utilization.

    Basic Info
    Product Name:

    Oxalic acid

    Other Name:

    Ethanedioic acid;Oxalic acid;Aktisal;Aquisal;NSC 132055;NSC 151956;NSC 62774;NSC 76990;Ultraplast Activate S 52;DeerClean;Ethanedioic acid,conjugate acid (1:2);63504-28-9;97993-78-7;216451-38-6;2469072-60-2

    CAS No.:

    144-62-7

    Molecular Formula:

    C2H2O4

    InChIKeys:

    InChIKey=MUBZPKHOEPUJKR-UHFFFAOYSA-N

    Molecular Weight:

    90.034

    Exact Mass:

    90.03

    EC Number:

    208-932-1

    UNII:

    9E7R5L6H31

    ICSC Number:

    0529

    NSC Number:

    62774

    UN Number:

    3261|1759

    DSSTox ID:

    DTXSID0025816

    Color/Form:

    ANHYDROUS OXALIC ACID, CRYSTALLIZED FROM GLACIAL ACETIC ACID IS ORTHORHOMBIC, CRYSTALS BEING PYRAMIDAL OR ELONGATED OCTAHEDRA|Colorless powder or granular solid [Note: The anhydrous form (COOH)2 is a white powder].

    HScode:

    2917111000

    Characteristics
    PSA:

    74.6

    XLogP3:

    -0.3

    Appearance:

    Oxalic acid is an odorless white solid. Sinks and mixes with water. (USCG, 1999)

    Density:

    1.9 g/cm3

    Melting Point:

    189.5 °C (decomp)

    Boiling Point:

    200 °C @ Press: 0.1 Torr

    Flash Point:

    188.8±19.7 °C

    Refractive Index:

    1.480

    Water Solubility:

    14%

    Storage Conditions:

    STORE IN COOL, DRY, WELL-VENTILATED LOCATION. /OXALIC ACID DIHYDRATE/

    Vapor Pressure:

    <0.001 mmHg

    Vapor Density:

    4.3

    Flammability characteristics:

    Combustible Solid

    Odor:

    Odorless.

    Henrys Law Constant:

    1.43e-10 atm-m3/mole|Henry's Law constant: 1.4X10-10 atm-cu m/mole at 25 °C (experimental)

    Dissociation Constants:

    pKa 1: 1.46; pKa 2: 4.40

    Experimental Properties:

    MP: 101-102 °C GIVING OFF WATER OF CRYSTALLIZATION & STARTING TO SUBLIME; K1= 5.36X10-2; K2= 5.3X10-5; DENSITY: 1.653 @ 18.5 °C/4 °C; DENSITY OF 1% (WT/WT) AQ SOLN: 1.0035 @ 17.5 °C/4 °C; DENSITY OF 3% (WT/WT) AQ SOLN: 1.0105 @ 17.5 °C/4 °C; DENSITY OF 5% (WT/WT) AQ SOLN: 1.0175 @ 17.5 °C/4 °C; DENSITY OF 10% (WT/WT) AQ SOLN: 1.0350 @ 17.5 °C/4 °C; DENSITY OF 13% (WT/WT) AQ SOLN: 1.0455 @ 17.5 °C/4 °C /OXALIC ACID DIHYDRATE/|DISSOCIATION CONSTANT: 6.5X10-2 /OXALIC ACID DIHYDRATE/|SUBLIMES BEST @ 157 °C; @ HIGHER TEMP DECOMP INTO CO2, CARBON MONOXIDE, FORMIC ACID, & WATER; HYGROSCOPIC|MONOCLINIC TABLETS, PRISMS, OR GRANULES; 1 G DISSOLVES IN 7 ML WATER; 1 G DISSOLVES IN 2 ML BOILING WATER; 1 G DISSOLVES IN 2.5 ML ALCOHOL; 1 G DISSOLVES IN 1.8 ML BOILING ALCOHOL; 1 G DISSOLVES IN 100 ML ETHER; 1 G DISSOLVES IN 5.5 ML GLYCEROL /OXALIC ACID DIHYDRATE/|Transparent, colorless crystals or white powder /Oxalic acid dihydrate/|Odorless /Oxalic acid dihydrate/|For more Other Experimental Properties (Complete) data for OXALIC ACID (6 total), please visit the HSDB record page.

    Air and Water Reactions:

    Water soluble. Hygroscopic

    Reactive Group:

    Acids, Carboxylic

    Reactivity Profile:

    OXALIC ACID is hygroscopic and sensitive to heat. This compound may react violently with furfuryl alcohol, silver, sodium, perchlorate, sodium hypochlorite, strong oxidizers, sodium chlorite, acid chlorides, metals and alkali metals. (NTP, 1992). The heating of mixtures of Oxalic acid and urea has lead to explosions. This is due to the rapid generation of the gases CO2, CO, and NH3 [Praxis Naturwiss. Chem., 1987, 36(8), 41-42]. Oxalic acid and urea react at high temperatures to form toxic and flammable ammonia and carbon monoxide gases, and inert CO2 gas [Von Bentzinger, R. et al., Praxis Naturwiss. Chem., 1987, 36(8), 41-42].

    Autoignition Temperature:

    Not flammable (USCG, 1999)

    Heat of Combustion:

    -245.61 KJ/mol

    Flammable Limits:

    Combustible Solid

    Hazard Identification

    Classification of the substance or mixture

    Acute toxicity - Category 4, Oral

    Acute toxicity - Category 4, Dermal

    GHS label elements, including precautionary statements

    Pictogram(s)
    Signal word

    Warning

    Hazard statement(s)

    H302 Harmful if swallowed

    H312 Harmful in contact with skin

    Precautionary statement(s)
    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/...

    Response

    P301+P317 IF SWALLOWED: Get medical help.

    P330 Rinse mouth.

    P302+P352 IF ON SKIN: Wash with plenty of water/...

    P317 Get medical help.

    P321 Specific treatment (see ... on this label).

    P362+P364 Take off contaminated clothing and wash it before reuse.

    Storage

    none

    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

    Separated from strong oxidants and food and feedstuffs. Dry. Well closed.STORE IN COOL, DRY, WELL-VENTILATED LOCATION. OXALIC ACID DIHYDRATE

  • Seller Information
    Business Type:

    Trader

    Main Products:

    oxalic acid,formic acid,calcium formate,sodium formate,humic acid,sodium humate

    Location:

    No.319, Aimin Str.,Xian Dist., Mudanjiang Heilongjiang China

    Payment Terms:

    D/P,L/C,TT against B/L draft before shipment

    Total Employees:

    51-100

    Year of Establishment:

    1995

    Company Certificates
    • Mudanjiang Fengda Chemicals Imp.& Exp. Corp.FAMI FAMI
    • Mudanjiang Fengda Chemicals Imp.& Exp. Corp.REACH REACH
    • Mudanjiang Fengda Chemicals Imp.& Exp. Corp.SGS SGS
    Company Profile

    Broad World, Global Reputation


    Mudanjiang Fengda Chemicals Corporation was founded in 1995,it is a specialized manufacturing and operating chemical enterprise which authorized and approved by MOFCOM, we have passed ISO9001: 2015 Quality Management System Certification, have got FULL REACH registration, FAMI-QS certification for partial products exported to EU. Have Got KKDIK registration for some products exported to Turkey, also have got K Reach registration for some products exported to South Korea. 

    Our company own variety of export products which are widely used in chemical, pharmaceuticals, textile printing & dyeing, leather processing, fertilizer, water treatment, construction industry, food &feed additives and other areas. Oxalic acid, formic acid, sodium formate, calcium formate, sodium sulphide, series of humic acid, sodium hydrosulphide, ammonium chloride, sodium thiosulfate, and calcium nitrite are partial strong products. Among them, Oxalic acid occupy largest export volume and export to more than 100 countries and regions in the Europe, America, Asia, Africa and other continents, winning customers praise with its superior quality , favorable price and excellent service. For over 30 years, stick to business philosophy of" integrity, diligence, fighting, innovation ", Fengda chemicals has built long term & stable trade relationship with more than 100 countries and regions in the world.


    We are located in significant city- Mudanjiang, Heilongjiang province. This city has reputation of “ small Jiangnan in north of China ” . Here are world famous Alpine barrier lake named Jingpo Lake, mist-covered Xingkai Lake and Siberian Tiger Nature Reserve Park with highly distinctive, etc. Due to the beautiful scenery and pleasant climate, Mudanjiang is the tourist resort aspired by domestic and foreign guests.


    Hereby Chairman of the board-Mr. Wang Jiansheng with all his staff, sincerely hope to cooperate with more friends in the world and seek common developments.

  • Weekly Price

    The chart shows the price trend of the product in the past 12 months.
    Click Oxalic Acid 99.6% H2c2o4 99.6 144-62-7 Crystal Industrial Grade 2H2O Dihydrate Price Rust Removal price to view more maket price and ECHEMI analysis.

  • Inquiry History
    48 Inquiries
    Country Product Purchase Quantity Date Posted
    France

    Custom Blend CAS 144-62-7 CAS 65997-17-3 CAS 68081-81-2

    400 G May 13, 2026
    India

    Oxalic Acid

    125.00 KG Feb 26, 2024
    Egypt

    Oxalic acid

    500.00 MT Aug 26, 2026
    Spain

    oxalic acid

    1 KG Aug 11, 2026
    Turkey

    Oxalic Acid

    100 KG Jul 9, 2026
    Malaysia

    OXALIC ACID

    1400 KG Jun 25, 2026
    Thailand

    Oxalic acid 99.6%

    1.00 20' Fcl Jun 9, 2026
    Indonesia

    oxalic acid

    25 MT Jun 3, 2026
    Poland

    oxalic acid

    1.00 20' Fcl Aug 23, 2025
    Egypt

    Zinc ash

    4.00 BOU May 29, 2025
    United States

    OXALIC ACID

    1200 MT Apr 19, 2025
    India

    Oxalic Acid

    100 MT Apr 7, 2025
    Pakistan

    oxalic acid

    1 20' Fcl Mar 24, 2025
    India

    Oxalic Acid

    1 MT Feb 27, 2025
    Vietnam

    Oxalic Acid

    50 MT Dec 24, 2024
    Thailand

    Oxalic Acid

    10 MT Nov 8, 2024
    Malaysia

    Oxalid Acid

    1 20' Fcl Jul 22, 2024
    United States

    Oxalic acid

    200000 KG Jul 14, 2024
    Pakistan

    Oxalic acid

    5 TON Jun 28, 2024
    Japan

    OXALIC ACID

    25 MT Jun 24, 2024
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