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{"title":"Dihydrate Oxalic Acid 99.6% C2h2o4 2h2o Oxalic Acid As Rust Remover","imgUrl":"https:\/\/img.ismap.com\/nimg\/d3\/06\/5ade092de21d1b7fe2be5d473a71-200x200-1\/dihydrate_oxalic_acid_99_6_25_c2h2o4_2h2o_oxalic_acid_as_rust_remover.jpg","attrs":{"Brand Name":"Riel Chemical","Model Number":"99.6%","Certification":"SGS,ISO9001,CE","Place of Origin":"Weifang"}}
{"title":"99.6% Oxalic Acid 2h2o CAS Number 6153-56-6 White Crystal Particle","imgUrl":"https:\/\/img.ismap.com\/nimg\/95\/42\/4a0f615ef3d1629808541fbcc3c4-200x200-1\/99_6_25_oxalic_acid_2h2o_cas_number_6153_56_6_white_crystal_particle.jpg","attrs":{"Brand Name":"Riel Chemical","Model Number":"99.6%","Certification":"SGS,ISO9001,CE","Place of Origin":"Weifang"}}
{"title":"White Crystal 99.6 Oxalic Acid For Marble Polishing Oxalic Acid Dihydrate","imgUrl":"https:\/\/img.ismap.com\/nimg\/92\/4f\/64b4d881a670606f6c27c3cca04c-200x200-1\/white_crystal_99_6_oxalic_acid_for_marble_polishing_oxalic_acid_dihydrate.jpg","attrs":{"Brand Name":"Riel Chemical","Model Number":"99.6%","Certification":"SGS, ISO9001, CE","Place of Origin":"Weifang"}}
Recommended H2C2O4·2H20 Oxalic Acid 99.6% White Crystal Particle
Product Specifications
CAS
6153-56-6
EINECS
205-634-3
Crystalline hydrate
Oxalic acid dihydrate
Appearance
White Powder
Acidity
Medium acid
Solubility
Water
Key Attributes
Chemical formula: C2H2O4*2H2O
CAS: 144-62-7
Purity: 99.6%
Production Standard (GB/T1626-2008)
No.
Items for detecting and analyzing
Standard value
1
Oxalic acid content (C2H2O4) %≥
99.6
2
Sulfide (as SO4) %≤
0.07
3
Combustion residue %≤
0.01
4
Heavy metal (as Pb) %≤
0.0005
5
Fluoride (as Fe) %≤
0.0005
6
Chlorine (as Cl) %≤
0.0005
7
Calcium (as Ca) %≤
0.0005
8
Water insoluble content %≤
0.02
Basic Information
Chemical name: Oxalic acid (oxalic acid)
Chemical form: C₂H₂O₄
Molecular weight: 90.03 g/mol
Appearance: Colorless transparent crystal or white powder
Smell: Unscented
Density: 1.90g/cm³ (anhydrous)
Melting point: 189.5°C (decomposition)
Chemical Properties
Acid: Strong organic acid with two ionizable hydrogen ions (pKa₁=1.25, pKa₂=4.14)
Reducibility: Strong reducibility, can be oxidized to carbon dioxide and water
Chelation: Can form stable chelates with metal ions
Thermal stability: Decomposes when heated above 150°C
Application Fields
Industrial: Metal cleaning, textile dyeing, chemical synthesis, rare earth extraction
Daily life: Cleaning agent, wood bleaching
Medical: Disinfectant, drug synthesis
Laboratory: Analytical reagent, buffer solution
Safety Information
Toxicity: Can cause kidney stones and digestive tract damage
Corrosive: Strongly irritating to skin and mucous membrane
Protective measures: Wear gloves, goggles, and mask
Storage: Keep sealed, away from alkalis and oxidants
Packaging & Transportation
Packaging: 25kg/bag or 50kg/barrel, customizable
Transport: Avoid high temperature and humidity
Frequently Asked Questions
What is your payment term?
We accept T/T and L/C at sight as payment term.
Are you able to deliver on time?
Yes, we specialize in this product line and guarantee timely delivery with top quality.
Do you provide free sample?
Yes, we provide free samples with the customer covering express fees.
How about the price? Can you make it cheaper?
We offer competitive prices that are negotiable based on order quantity and conditions.
Can I visit your company and factory in China?
Yes, you're welcome to visit our facility in Weifang, China (airport pickup available).
What if there is a quality problem?
We have a professional after-sales team to promptly address any quality issues.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
2005
Total Annual:
4500000-5000000
Employee Number:
120~200
Ecer Certification：
Verified Supplier
Riel Chemicals – Leading Enterprise in Basic Chemical Manufacturing
Who we are ?
Established in 2005 and headquartered in Weifang City, Shandong Province—a hub of China’s chemical industry—Riel Chemicals is a national high-tech enterprise specializing in the R... Riel Chemicals – Leading Enterprise in Basic Chemical Manufacturing
Who we are ?
Established in 2005 and headquartered in Weifang City, Shandong Province—a hub of China’s chemical industry—Riel Chemicals is a national high-tech enterprise specializing in the R...
