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36/1
ม.9 ต.นาดี อ.เมืองสมุทรสาคร จ.สมุทรสาคร 74000
โทรศัพท์
034-496284,
034-854888
โทรสาร
034-496285,
034-854899
โทรศัพท์มือถือ
0800160016,
0861762992, 0868850111, 0824504888
อีเมลล์1, thaipolychemicals (at) hotmail.com
อีเมลล์2, polychemicals (at) gmail.com
อีเมลล์3, info (at) thaipolychemicals.com
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PRODUCT NAME : Phosphoric Acid
CHEMICAL NAME : Trihydroxidooxidophosphorus
CAS NUMBER : 7664-38-2
EC NUMBER : 231-633-2
UN NUMBER : 1805
SYNONYMS : Phosphoric
Acid, Trihydroxidooxidophosphorus, Orthophosphoric acid, Trihydroxylphosphine
oxide, H3PO4,
MOLECULAR FORMULA : H3PO4
MOLECULAR WEIGHT : 97.99
PHYSICAL FORM : Colorless, viscous liquid
PACKAGING : 35, 330, 1600 kg per
drum
SUPPLIER : Thai Poly Chemicals Co., Ltd.
EXPORTER : Thai Poly Chemicals Co., Ltd.
CONTACT INFORMATION : Thai Poly Chemicals Co., Ltd.
ADDRESS : 36/1 Moo 9, Nadee, Mueangsamutsakhon,
Samutsakhon, Thailand
DEPARTMENT : Domestic Sales Division (
for domestic customer )
DEPARTMENT : Export Sales
Division ( for export customer )
Tel. +6634 496284, +6634 854888
Fax. +6634 496285, +6634 854899
Mobile No. +668 00160016, +668 98554004
Email 1,
thaipolychemicals at hotmail.com
Email 2,
polychemicals888 at gmail.com
Email 3, info
at thaipolychemicals.com
Uses of Phosphoric acid.
Among many applications, phosphoric acid is used:
As a solution for anodizing.
As an external standard for phosphorus-31 nuclear
magnetic resonance (NMR).
As a buffer agent in biology and chemistry. For
example, a buffer for high-performance liquid chromatography.
As a chemical oxidizing agent for activated carbon
production, as used in the Wentworth process.
As the electrolyte in phosphoric-acid fuel cells.
With distilled water (2–3 drops per gallon) as an
electrolyte in oxyhydrogen generators.
As a catalyst in the hydration of alkenes to produce
alcohols, predominantly ethanol.
As an electrolyte in copper electropolishing for burr
removal and circuit-board planarization.
As a flux by hobbyists (such as model railroaders) as
an aid to soldering.
In compound semiconductor processing, phosphoric acid
is a common wet etching agent: for example, in combination with hydrogen
peroxide and water it is used to etch InGaAs selective to InP.
Heated in microfabrication to etch silicon nitride
(Si3N4). It is highly selective in etching Si3N4 instead of SiO2, silicon
dioxide.
As a cleaner by construction trades to remove mineral
deposits, cementitious smears, and hard-water stains.
As a chelant in some household cleaners aimed at
similar cleaning tasks.
In hydroponics pH solutions to lower the pH of
nutrient solutions. While other types of acids can be used, phosphorus is a
nutrient used by plants, especially during flowering, making phosphoric acid
particularly desirable.
As a pH adjuster in cosmetics and skin-care products.
As a dispersing agent in detergents and leather
treatment.
As an additive to stabilize acidic aqueous solutions
within a wanted and specified pH range.
As a sanitizing agent in the dairy, food, and brewing
industries.
More information of Phosphoric acid, please contact
Thai Poly Chemicals Co., Ltd. Thailand
