Benzotriazole Ultraviolet Absorber 2- (2' -hydroxy-5 '-teroctyl phenyl) Benzotriazole Factory Supply CAS: 3147-75-9 Ultraviolet Absorbent UV-329

Min.Order: 20

Product origin: Weifang, Shandong, China

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US$ 3000 ~ 5000

Description

BTA

Benzotriazole (BTA)

Chemical name: Benzotriazole (BTA)
CAS NO.:95-14-7

Molecular weight: 119.13
Molecular formula: C6H5N3
Structural formula:

Properties:Boiling point: 204ºC (15mm Hg),slightly soluble in water ,soluble in organic solvents such as alcohol, benzene, toluene, chloroform..

Specifications:

BTA

Item	Stand of Quality	Test Result
Purity (%)	Min 99.5%	99.83%
Chroma(Hazen)	Max 45	10
Melt Point (ºC)	96.0-99.0	98.2
Moistuer(%)	Max0.1	0.06
Ash(%)	Max0.05	0.04
PH Value	5.5-6.5	5.7
Alcohol Solubility	Clear without precipitation	√
Result	Good quality

Aluminum Chlorohydrate(watertreatment grade)

Item	Specifications	Results
Appearance	Colorless and transparent liquid	Colorless and transparent liquid
Alumina(Al₂O₃) %	21.9-23.8	23.75
Chlorides(Cl) %	7.9 - 8.4	8.31
Atomic ratio(Al:Cl)	1.90:1 - 2.10:1	1.99:1
Basicity %	>82	≈83
Sulfate (SO4^2-) ppm	≤250	Not detected
Iron(Fe) ppm	≤100	≈60
Arsenic(As) ppm	≤2	<2
Heavy metals %	≤0.001	<0.001
Mercury(Hg) ppm	≤0.1	<0.1
Specific Gravity (20ºC) g/ml	1.330-1.350	1.340
PH value(30% w/w) %	4.0-4.4	4.3
Light transmittance(30% aqueous)%	≥90	95

Usage: mainly used as antirust agent and corrosion inhibitor for metals .widely used in the antirust oil products such as gas phase corrosion inhibitor , in treating agent for recycling water ,in antifreeze for cars antifogging for photograph ,also used as stabilizer for macromolecular compound growth regulator for plant, lubricant additive , ultraviolet absorbent etc. It can be used together with many kind of scale inhibitors and bactericide and algaecide, show excellent anticorrosion effect in close recycling cooling water system.

Packing: 20kgw woven bag or 25kgs paper bag according to the customers' requirement.

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