ซัลฟามิกแอซิด,
กรดซัลฟามิก, Sulphamic
acid, Sulfamic aicd
ชื่อเคมี
: ซัลฟามิก เอซิด
ชื่ออื่นๆ
:
สูตรเคมี
: H2NSO3H
ประเทศ
: ญี่ปุ่น ,ไต้หวัน
ลักษณะ
: เป็นผลึกสีขาวแข็ง
การใช้งาน
:
- อุตสาหกรรมเซรามิก
- อุตสาหกรรมโลหะ
- อุตสาหกรรมย้อมและพิมพ์
- อุตสาหกรรมฟอกขาว , ฟอกสี
- อุตสาหกรรมสิ่งทอ
- อุตสาหกรรมเครื่องใช้ไฟฟ้า
Product
Name : Sulfamic Acid / ซัลฟามิก เอซิด
Other
Name :
Formula
: H2NSO3H
Origin
: Japan ,Taiwan
Characteristics
: White crystalline solid, non-volatile, non hygroscopic
Application
:
- Ceramic Industry,
- Metal Industry,
- Dyeing and Printing Industry,
- Bleaching Industry,
- Textile Industry
- Electonic Industry
Sulfamic
acid, also known as amidosulfonic acid, amidosulfuric acid, aminosulfonic acid,
and sulfamidic acid, is a molecular compound with the formula H3NSO3. This
colorless, water-soluble compound finds many applications. Sulfamic acid melts
at 205 °C before decomposing at higher temperatures to H2O, SO3, SO2, and N2. Sulfamic
acid (H3NSO3) may be considered an intermediate compound between sulfuric acid
(H2SO4), and sulfamide (H4N2SO2), effectively - though see below - replacing an
-OH group with an -NH2 group at each step. This pattern can extend no further
in either direction without breaking down the -SO2 group. Sulfamates are
derivatives of sulfamic acid.
Applications
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.
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.
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
household descaling agents, for example, Lime-A-Way Thick Gel contains up to 8%
sulfamic acid and pH 2 - 2.2,[11] 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.
Its
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.
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.
Silver
polishing
According
to the label on the consumer product, the liquid silver cleaning product TarnX
contains thiourea, a detergent, and sulfamic acid.
Sulfamic
Acid Information：
Trade
Name: Sulfamic acid
Chemical
Name: Sulfamic acid
IUPAC
Nomenclature: Amidosulfuric acid
Synonyms:
Amidosulfonic acid, Aminosulfonic acid
Chemical
Family: Inorganic acid
Chemical
Formula: NH2SO3H
SULFAMIC
ACID is a dry, non-volatile, non-hygroscopic, odorless, white crystalline,
stable acid .It is moderately soluble in water and forms strongly acidic
aqueous solution that is comparable in acidity to the common strong mineral
acids but it may be easily handled and stored in the dry form. At room
temperature ,dilute aqueous sulfamic acid solution is stable for a long time
but rapid hydrolysis occurs at elevated temperatures .Its solution is less
corrosive toward metals than other mineral acid. Because of advantages such as
handling ease, solubility and low corrosiveness, sulfamic acid is used for many
diversified applications.
PHYSICAL
PROPERTIES
Molecular
Weight 97.1
Melting
Point 205℃
Decomposition
209℃
Specific
Gravity 2.126
Bulk
Density (loose) 1.0-1.2
Bulk
Density(Parked) 1.0-1.6
Dissociation
Constant: 0.101
Vapor
Pressure: Not volatile
Evaporation
Rate: Not volatile
Odor:
None
Uses
Acid
Cleaning
For
descaling agent of:
Cooling
towers (air conditioners)
Marine
equipment (sea water evaporators)
Water
wells
Oil,
gas Wells
Dairy
equipment (pipeline milkers, milk evaporators)
Brewery
equipment
Sugar
evaporators
Pulp
and paper equipment
Desalination
equipment
General
industrial equipment (boilers, condensers, heat exchangers, evaporators, etc.)
Household
equipment
Bleaching
for Pulp
Sulfation
and Sulfonation
Dyes
and Pigments
Electroforming,
Electroplating, and Electrorefining
pH
Adjustment
Curing
Agent for Phenol, Melamine, and Urea Resin
In
Anodizing
For
Manufacture of Bubbling Pipe Cleaner
Sulfamic
acid is also known as: Amidosulfonic acid, Aminosulfonic acid, Imidosulfonic
acid, 5329-14-6, Sulfamidic acid, Amidosulfuric acid, Jumbo, Sulfaminic acid Molecular
Formula: H3NO3S Molecular Weight:
97.09372
Molecular
Formula: NH2SO3H.
Molecular
weight:97.09
Characteristics:
--White
orthorhombic cystal.
Nonvolatile,
nonhygroscopic,smell-less. High stability at normal tenperature and can
maintain original quality for several years. Freely soluble in water and liquid
ammonia,strongly acidic in water solution.
--Slightly
soluble in methanol,insolublein ethanol and ether.Characteristics of double
funcitional group of amidogen and sulphonic radical, may go on chemical
reaction with many matters.
--Melting
point is 205oC,decomposing temperature is 209 oC.
Use:
Metal parts cleaning,getting away oxidize surface.Slightly corrosive to metal,
usedto flush boiler, and sterilize bacterium in water.Bleach fibre,wood and
paper. Remove nitrite in tobacco.Raw material for pesticide
intermediate,ramification of sulfamic acid.
Packaging
Storage: Knitting bags with plastic liners,25kg per bag.or Flexible Containers
with 500kg,1000kg. Stored in dry and cleanplace. Protection from sunshine,rain
moisture and a acute.
Technological
index
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Tel.:
034854888, 034496284
Fax.:
034854899, 034496285
Mobile:
0824504888, 0800160016
Website
: www.thaipolychemicals.com
Email1 : thaipolychemicals@hotmail.com
Email2 : info@thaipolychemicals.com
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