Model NO.: Tech Grade
Classification: Chemical Additives
Appearance: Powder
Trademark: SINOCHEM
Specification: 99.5% 99.8%
Efficacy:
Water Treatment Type: Sulfamic Acid
Color: White
Transport Package: 25kg/Bag
Origin: China
Product: Sulfamic Acid (Sulphamic Acid)
Assay: 99.5% and 99.8%
CAS:5329-14-6
Molecular Formula: NH2SO3H
HS Code: 2811199090
EINECS No.: 226-218-8
Structural Formula:
Usage:
Sulfamic acid is mainly a precursor to sweet-tasting compounds. Reaction with cyclohexylamine followed by addition of NaOH gives C6H11NHSO3Na, sodium cyclamate. Related compounds are also sweeteners, see acesulfame potassium (
Acesulfame K).
Sulfamates have been used in the design of many types of therapeutic agents such as antibiotics, nucleoside/nucleotide human immunodeficiency virus (HIV) reverse transcriptase inhibitors, HIV protease inhibitors (PIs), anti-cancer drugs (steroid sulfatase and carbonic anhydrase inhibitors), anti-epileptic drugs, and weight loss drugs.
1.Cleaning agent
Sulfamic acid is used as an acidic cleaning agent, sometimes pure or as a component of proprietary mixtures, typically for metals and ceramics. It is frequently used for removing rust and limescale, replacing the more volatile and irritating hydrochloric acid, which is however cheaper. It is often a component of householddescaling agents, for example, Lime-A-Way Thick Gel contains up to 8% sulfamic acid and pH 2 - 2.2, or detergents used for removal of limescale. When compared to most of the common strong mineral acids, sulfamic acid has desirable water descaling properties, low volatility, low toxicity. It forms water-soluble salts of calcium and ferric iron.
Importantly, sulfamic acid is preferable to use in household in comparison to hydrochloric acid for its intrinsic safety. If erroneously mixed with hypochlorite based products such as bleach, it does not form chlorine gas, where the most common acids would; the reaction (neutralization) with NH3, produces a salt as depicted in the section above.
It also finds applications in the industrial cleaning of dairy and brew-house equipment. Although it is considered less corrosive than hydrochloric acid, corrosion inhibitors are often added to commercial cleansers of which it is a component. Some of its domestic use, e.g. Easy-Off, for descaling include home coffee and espresso equipment and in denture cleaners.
2.Other uses
Catalyst for esterification process
Dye and pigment manufacturing
Herbicide
Coagulator for urea-formaldehyde resins
Ingredient in fire extinguishing media. Sulfamic acid is the main
Raw Material for ammonium sulfamate which is a widely used herbicide and fire retardant material for household product.
Pulp and paper industry as a chloride stabilizer
Synthesis of nitrous oxide by reaction with nitric acid
The deprotonated form (sulfamate) is a common counterion for nickel(II) in electroplating.
3.Silver polishing
According to the label on the consumer product, the liquid silver cleaning product TarnX contains thiourea, a detergent, and sulfamic acid.
Specs: 99.5% / 99.8%
TEST ITEMS | STANDARD |
Appearance | White crystalline |
Assay | 99.8%Min (or 99.5%Min) |
Sulphate | 0.05%Max |
Fe | 0.0005%Max |
Water Insoluble substances | 0.02% max |
Loss on drying | 0.1% Max |
Chloride(Cl) | 0.01% Max |
Heavy metal (Pb) | 0.001% max |
NH3 | 0.02% max |
pH (1% solu.) | 1.0-1.4 |
Bulk Density | 1.15-1.35g/cm3 |
Packing:25kg/bag
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Product Categories : Water Treatment Chemicals