Leather Chemicals - Hongding Chem Chemical Reagents Thu, 03 Jul 2025 08:27:32 +0000 en-US hourly 1 https://wordpress.org/?v=6.9 246622208 Sodium Chlorite https://hongdingintl.com/products/sodium-chlorite/ Wed, 18 Jun 2025 07:40:44 +0000 http://www.hongdings.com/?post_type=product&p=3094 Sodium Chlorite is white to yellowish green crystalline powder or granule. It is used as bleaching agent, de-colorizer, disinfectant in food, paper & pulp, textile, water treatment, fine chemistry, leather, metal surface treatment industries.

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]]> Product Name: Sodium Chlorite
CAS No: 7758-19-2
Einecs No: 231-836-6
HS Code: 2828900000
Formula: NaClO2
Grade Standard: Tech Grade
Appearance: White to yellowish green crystalline powder or granule
Packaging Details: 25KG/BAG, 1000KG/BAG

Application:
Textile: Bleaching agent, de-colorizer
Paper & pulp: Bleaching agent, de-colorizer
Food Processing: Bleaching agent, Disinfectant
Water treatment: Disinfectant
Leather industry: Dehairing
Surface treatment of metal: Corrosion inhibitor
Fine Chemistry: Producing chlorine dioxide

Specification

Item Range Unit Standard
80% 82% 90%
Sodium chlorite (NaClO2) ≥ ω/% 80 82 90
Sodium chlorate (NaClO3) ≤ ω/% 1.1 1 0.8
Sodium hydroxide (NaOH) ≤ ω/% 0.6 0.5 0.4
Sodium carbonate (Na2CO3) ≤ ω/% 0.8 0.6 0.5
Sodium chloride (NaCl) ≤ ω/% 15.6 14.7 9
Sodium sulfate (Na2SO4) ≤ ω/% 0.8 0.7 0.6
Sodium nitrate (NaNO3) ≤ ω/% 0.1 0.1 0.1
Arsenic (As) ≤ ω/% 0.0003 0.0003 0.0003
Mercury (Hg) ≤ ω/% 0.00001 0.00001 0.00001
Lead (Pb) ≤ ω/% 0.0001 0.0001 0.0001

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]]> 3094 Sodium Silicate https://hongdingintl.com/products/sodium-silicate/ Wed, 18 Jun 2025 05:22:29 +0000 http://www.hongdings.com/?post_type=product&p=3089 Sodium silicate is transparent or translucent glass masses. It is used in soap & detergent, paper & pulp, textile, silicone industry, foundry, metal anti-corrosion, construction material and leather industry.

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]]> Product Name: Sodium Silicate
CAS No: 1344-09-8
Einecs No: 215-687-4
HS Code: 2839191000
Formula: Na2O·nSiO2 (1.5≤n≤3.7)
Grade Standard: Tech Grade
Appearance: Transparent or translucent glass masses
Packaging Details: 25KG/BAG, 1000KG/BAG

Application:
Soap & Detergent: Filler, alkaline buffer, antiseptic
Paper & Pulp: Filler
Textile industry: Sizing, impregnating agents, fixation agents, mordant agents
Silicone industry: Raw material for silicone gel, silicone
Foundry industry: Agglomerant
Metal: corrosion prevention
Construction Material: Agglomerant, raw material of refractory matter, acid-resistant cement…
Leather industry: Softener

Specification

Item Range Unit Standard
High Grade First Grade
Total soluble solids content ≥ ω/% 99 98
Iron (Fe) ≤ ω/% 0.015 0.1
Aluminum oxide (Al2O3) ≤ ω/% 0.15 0.3
modulus ~ – 2.2-2.64; 2.65-3.10; 3.11-3.4; 3.41-3.7

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]]> 3089 Ammonium Sulfate https://hongdingintl.com/products/ammonium-sulfate/ Wed, 18 Jun 2025 01:42:05 +0000 http://www.hongdings.com/?post_type=product&p=3085 Ammonium sulfate is white crystals or white granules, mainly used as nitrogen fertilizer in agriculture, deliming agent in leather industry, raw material in rare earth mining, nitrogen source in fresh yeast producing.

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]]> Product Name: Ammonium Sulfate
CAS No: 7783-20-2
Einecs No: 231-984-1
HS Code: 3102210000
Formula: (NH4)2SO4
Grade Standard: Tech Grade
Appearance: White crystals or white granules
Packaging Details: 25KG/BAG, 1000KG/BAG

Application:
Agriculture: Nitrogen fertilizer
Leather industry: Deliming agent
Fine Chemistry: Raw material of ammonium chloride, tschermigite, refractory matter
Rare earth mining: Raw material
Fresh yeast: Nitrogen source

Specification:

Item Range Unit Standard
Nitrogen (N) ≥ ω/% 20.5
Sulfur (S) ≥ ω/% 24
Moisture (H2O) ≤ ω/% 0.5
Water insoluble matter ≤ ω/% 0.5
Chloride (as Cl) ≤ ω/% 1

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]]> 3085 Ammonium Chloride https://hongdingintl.com/products/ammonium-chloride-2/ Fri, 06 Jun 2025 07:01:54 +0000 http://www.hongdings.com/?post_type=product&p=3045 Ammonium Chloride is a white crystalline powder, mainly used in metal welding, fertilizers, dry batteries, fabric printing and dyeing, tanning, medicine, electroplating, metal fluxing agent, detergents...

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]]> Product Name: Ammonium Chloride
CAS No: 12125-02-9
Einecs No: 235-186-4
HS Code: 2827109000
Formula: NH4Cl
Grade Standard: Tech Grade
Appearance: White crystalline Powder
Packaging Details: 25KG/BAG, 1000KG/BAG

Application:
Used in metal welding, fertilizers, dry batteries, fabric printing and dyeing, tanning, medicine, electroplating, metal fluxing agent, detergents…

Specification:

Item Range Unit Standard
Superior Grade First Grade Qualified Grade
NH4Cl (on dry basis) ≥ ω/% 99.5 99.3 99
Moisture (H2O) ≤ ω/% 0.5 0.7 1
Scorch residue ≤ ω/% 0.4 0.4 0.4
Iron (Fe) ≤ ω/% 0.0007 0.001 0.003
Heavy metals (as Pb) ≤ ω/% 0.0005 0.0005 0.001
Sulfate (as SO4) ≤ ω/% 0.002 0.05 –
PH (200g/L solution) – – 4.0-5.8

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]]> 3045 Aluminium Sulfate https://hongdingintl.com/products/aluminium-sulfate/ Wed, 07 May 2025 07:27:15 +0000 http://www.hongdings.com/?post_type=product&p=2940 Aluminum Sulfate, soluble in water, acids, and bases, insoluble in alcohols. It forms acidic aqueous solutions, hydrolyzes to produce aluminum hydroxide. Mainly used as flocculant in water Treatment, precipitation agent & sizing agent in papermaking, decolorizer & deodorizer in petroleum...

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]]> Product Name: Aluminium Sulfate
CAS No: 10043-01-3
Einecs No: 233-135-0
HS Code: 2833220000
Formula: Al2(SO4)3
Grade Standard: Food Grade, Tech Grade
Appearance:
Class I: white flakes, lumps, granules or powder;
Class II: gray or yellow flakes, lumps, granules or powder.
Packaging Details: 25KG/BAG, 1000KG/BAG

Application:
Papermaking: Precipitation agent & sizing agent
Water Treatment: Flocculant
Fire Safety: Foam stabilizer (fire extinguishers)
Chemical Production: Raw material for alum & aluminum white
Petroleum: Decolorizer & deodorizer
Edible Oils: Clarifying agent
Pharmaceuticals: Drug precursor
Other Uses: Leather tanning, synthetic gemstones, high-purity ammonium alum

Specification:

Item Standard
Class I Class II
Aluminum oxide (Al2O3) ω/% ≥ 16 ≥ 15.8
Iron (Fe) ω/% ≤ 0.005 ≤ 0.3
Water insoluble matter ω/% ≤ 0.1 ≤ 0.1
pH ≥ 3 ≥ 3

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]]> 2940 Caustic Soda Pearls (Sodium Hydroxide Pearls) https://hongdingintl.com/products/caustic-soda-pearls-sodium-hydroxide-pearls/ Sat, 19 Apr 2025 08:52:43 +0000 http://www.hongdings.com/?post_type=product&p=2936 Caustic Soda Pearls (Sodium Hydroxide Pearls) has strong alkalinity and extremely strong corrosiveness. It is widely used in chemical manufacturing, metallurgy, pulp & paper production, petroleum processing, textile industry, consumer chemicals.

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]]> Product Name: Caustic Soda Pearls (Sodium Hydroxide Pearls)
CAS No: 1310-73-2
Einecs No: 215-815-5
HS Code: 2815110000
Formula: NaOH
Grade Standard: Tech Grade / Food Grade
Appearance: White Pearls
Packaging Details: 25KG/BAG, 1000KG/BAG
Application: Mainly applied in Food processing, Oil extraction, Pulp & paper manufacturing, Synthetic fiber production, Textile printing/dyeing, Wastewater treatment, Non-ferrous metallurgy, Fertilizer production, Organic synthesis, Pharmaceutical manufacturing, Consumer chemicals, Polymer processing and so on.

Specification

Item Range FLAKE PEARL
NaOH ≥ 98.50% 99%
NaCl ≤ 0.05% 0.03%
Fe2O3 ≤ 0.008% 0.005%
Na2CO3 ≤ 0.8% 0.5%

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]]> 2936 Caustic Soda Flakes (Sodium Hydroxide Flakes) https://hongdingintl.com/products/caustic-soda-flakes-sodium-hydroxide-flakes/ Sat, 19 Apr 2025 07:42:14 +0000 http://www.hongdings.com/?post_type=product&p=2932 Caustic Soda Flakes (Sodium Hydroxide Flakes) has strong alkalinity and extremely strong corrosiveness. It is widely used in chemical manufacturing, metallurgy, pulp & paper production, petroleum processing, textile industry, consumer chemicals.

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]]> Product Name: Caustic Soda Flakes (Sodium Hydroxide Flakes)
CAS No: 1310-73-2
Einecs No: 215-815-5
HS Code: 2815110000
Formula: NaOH
Grade Standard: Tech Grade / Food Grade
Appearance: White Flakes
Packaging Details: 25KG/BAG, 1000KG/BAG
Application: Mainly applied in Food processing, Oil extraction, Pulp & paper manufacturing, Synthetic fiber production, Textile printing/dyeing, Wastewater treatment, Non-ferrous metallurgy, Fertilizer production, Organic synthesis, Pharmaceutical manufacturing, Consumer chemicals, Polymer processing and so on.

Specification

Item Range FLAKE PEARL
NaOH ≥ 98.50% 99%
NaCl ≤ 0.05% 0.03%
Fe2O3 ≤ 0.008% 0.005%
Na2CO3 ≤ 0.8% 0.5%

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]]> 2932 Citric Acid Monohydrate (CAM) https://hongdingintl.com/products/citric-acid-monohydrate-cam/ Wed, 16 Apr 2025 03:49:46 +0000 http://www.hongdings.com/?post_type=product&p=2920 Primarily used in food and beverage sector as acidulants, flavorings, and preservatives. Also employed across chemical manufacturing, cosmetics production, mining flotation and industrial applications for antioxidant cleansing formulations, plasticizer compounds, and detergent solutions.

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]]> Product Name: Citric Acid Monohydrate
CAS No: 77-92-9
Einecs No: 201-069-1
HS Code: 2918140000
Formula: C6H8O7·H2O
Grade Standard: BP/USP/FCC/E330 30-100MESH,10-40MESH
Appearance: Colorless crystals or white crystalline powder
Packaging Details: 25KG/BAG, 500KG/BAG, 1000KG/BAG
Application: Primarily used in food and beverage sector as acidulants, flavorings, and preservatives. Also employed across chemical manufacturing, cosmetics production, mining flotation and industrial applications for antioxidant cleansing formulations, plasticizer compounds, and detergent solutions.

Specification:

NO. ITEM UNIT BP USP FCC E330
1 CHARACTERISTICS COLORLESS OR WHITE CRYSTAL COLORLESS OR WHITE CRYSTAL COLORLESS OR WHITE CRYSTAL COLORLESS OR WHITE CRYSTAL
2 IDENTIFICATION PASS THE TEST PASS THE TEST PASS THE TEST PASS THE TEST
3 CLARITY & COLOUR  OF SOLUTION 20%WATER SOLUTION CLARITY 20%WATER SOLUTION CLARITY 20%WATER SOLUTION CLARITY 20%WATER SOLUTION CLARITY
4 ASSAY % 99.5-100.5 99.5-100.5 99.5-100.5 ≥99.5%
5 Water % 7.5-9.0 7.5-9.0 ≤8.8 ≤8.8
6 SULPHATED ASH % ≤0.1 ≤0.1 ≤0.05 ≤0.05
7 SULPHATE ppm ≤150 ≤150
8 OXALATE ppm ≤360 ≤360 PASS THE TEST ≤100
9 CALCIUM ppm / / / /
10 HEAVY METALS ppm ≤10 / / /
11 CHLORIDE ppm / / / /
12 READILY CARBURETED SUBSTANCE Not Exceeding the Standard Not Exceeding the Standard A≤0.52，T≥30% Not Exceeding the Standard
13 BACTERIAL ENDOTOXIN IU/mg ≤0.5 PASS THE TEST / /
14 ALUMINIUM ppm ≤0.2 ≤0.2 / /
15 ARSENIC ppm / / / ≤1
16 MERCURY ppm / / / ≤1
17 LEAD ppm / / ≤0.5 ≤0.5

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]]> 2920 Citric Acid Anhydrous (CAA) https://hongdingintl.com/products/citric-acid-anhydrous-caa/ Wed, 16 Apr 2025 02:49:30 +0000 http://www.hongdings.com/?post_type=product&p=2917 Primarily used in food and beverage sector as acidulants, flavorings, and preservatives. Also employed across chemical manufacturing, cosmetics production, mining flotation and industrial applications for antioxidant cleansing formulations, plasticizer compounds, and detergent solutions.

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]]> Product Name: Citric Acid Anhydrous
CAS No: 77-92-9
Einecs No: 201-069-1
HS Code: 2918140000
Formula: C6H8O7
Grade Standard: BP/USP/FCC/E330 30-100MESH,10-40MESH
Appearance: Colorless crystals or white crystalline powder
Packaging Details: 25KG/BAG, 500KG/BAG, 1000KG/BAG
Application: Primarily used in food and beverage sector as acidulants, flavorings, and preservatives. Also employed across chemical manufacturing, cosmetics production, mining flotation and industrial applications for antioxidant cleansing formulations, plasticizer compounds, and detergent solutions.

Specification:

NO. ITEM UNIT BP USP FCC E330
1 Characters / Colorless or White Crystals
2 Identification / Pass Test Pass Test
3 Color & Clarity of Solution / Pass Test Pass Test / /
4 Assay % 99.5～100.5 99.5～100.5 99.5～100.5 ≥99.5%
5 Water % ≤1.0 ≤1.0 ≤0.5 ≤0.5
6 Readily Carbonisable Substances / Not Exceeding the Standard Not Exceeding the Standard A≤0.52，T≥30% Not Exceeding the Standard
7 Sulphated Ash % ≤0.1 ≤0.1 ≤0.05 ≤0.05
8 Chloride ppm / / / /
9 Sulphate ppm ≤150 ≤150 / /
10 Oxalate ppm ≤360 ≤360 Pass Test ≤100
11 Calcium ppm / / / /
12 Arsenic ppm / / / ≤1.0
13 Lead ppm / / ≤0.5 ≤1
14 Aluminum ppm ≤0.2 ≤0.2 / /
15 Mercury ppm / / / ≤1
16 Heavy Metals ppm / ≤10 / /
17 Bacterial Endotoxins IU/mg ≤0.5 Pass Test / /

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]]> 2917 Sodium Carbonate (Soda Ash) https://hongdingintl.com/products/sodium-carbonate/ Tue, 06 Aug 2024 02:44:05 +0000 http://www.hongdings.com/product/dnk-black-shoes/ Soda ash is a basic materials of chemical industry, widely used in glass, chemical industry, pharmaceutical industry, metallurgy, pulping, papermaking, printing and dyeing, synthetic detergent, petrochemical, pharmaceutical, food and other industries. Can be used as medical treatment of excessive stomach acid, and starter in food industry.

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]]> CAS No: 497-19-8
Einecs No: 207-838-8
HS Code: 2836200000
Molecular Formula: Na2CO3
Molecular Weight: 105.99
Grade Standard: TECH GRADE 99%MIN
Appearance: White crystalline powder
Appearance: Fine white particles
Packaging Details: 25,40,50,1000KG,1200KG BAG

Application:
Widely used in glass, chemical industry, pharmaceutical industry, metallurgy, pulping, papermaking, printing and dyeing, synthetic detergent, petrochemical, pharmaceutical, food and other industries. Can be used as medical treatment of excessive stomach acid, and starter in food industry.

Specification

Item Range Standard
Soda ash dense Soda ash light
Total alkalinity (dry basis) ω/% ≥ 99.2 99.2
Total alkalinity (wet basis) ω/% ≥ 97.9 97.9
Sodium chloride (NaCl, dry basis) ω/% ≤ 0.7 0.7
Iron (Fe, dry basis) ω/% ≤ 0.0035 0.0035
Water insoluble matter ω/% ≤ 0.03 0.03
Bulk density/(g/ml) ≥ 0.9 /
Particle size (180μm sieve residue) ω/% ≥ 70 /

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