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chemical-categories

acetic acid

Acetic acid is an organic acid that gives vinegar its sour taste and pungent smell. It is a weak acid, in that it is only a partially dissociated acid in an aqueous solution. It is an important chemical reagent and industrial chemical, used in the production of polyethylene terephthalate mainly used in soft drink bottles; cellulose acetate, mainly for photographic film; and polyvinyl acetate for wood glue, as well as synthetic fibres and fabrics. In households, diluted acetic acid is often used in descaling agents. It is also used as a food additive.

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alpha-Ionone

Ionone is a member of terpene, naturally occurring unsaturated hydrocarbons whose carbon skeletons are composed exclusively of isoprene C5 units, consisting of five carbon atoms attached to eight hydrogen atoms. alpha-Ionone is temporarily allowed to use as food spices.

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alpha-Terpineol

Alpha-Terpineol is a naturally occurring monoterpene alcohol.It is also used as flavor and fragrance agent.

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anhydrous glucose Purified 99%

anhydrous glucose
Appearance Glucose: White granular powder; Smellless & sweet;
Specific optical rotation: +52.6o-+53.2o;
Acidity: ≤ 0.2ml;
Clarity of solution: ≤ 1# of turbidity standard;
Clarity of ethanol solution: Clear;
Chloride: ≤ 0.01%;
Sulfate: ≤ 0.01%;
Sulfite and soluble starch: Meet the specification;
Loss on dry: ≤ 1.0%;
Residue on ignition: ≤ 0.1%;
Protein: Meet the specification;
Barium salt: Meet the specification;
Calcium salt: ≤ 0.01%;
Ferric salt: ≤ 0.001%;
Heavy metals: ≤ 4ppm;
Arsenic salt: ≤ 0.0001%;
Microbial limits: Meet the specification
Bacterial endotoxin: ≤ 0.25EU/ml

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benzyl acetate FOOD GRADE 99%

product Name: Benzyl acetate
Synonyms: Acetic acid benzyl ester; Benzyl ethanoate; ; 3-phenylpropanoate
Molecular Formula: C9H10O2
Molecular Weight: 150.1745
CAS Registry Number: 140-11-4
EINECS: 205-399-7
Packing:200kg/drum
Assay:99%
Benzyl Acetate is used as a solvent to replace Isophorone for cellulose acetate and nitrate, and as a component of printing inks and varnish removers.
Benzyl acetate is used as a flavoring agent in foods, as a fragrance in soaps and perfumes

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beta-Bromostyrene

beta-Bromostyrene is used as food additive and fragrance in consumer products.

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caffeine USP 99,99

US Pharmaceutical Grade Caffeine 100% Pure With no additive or fillers. For research use and to be used as an ingredient in supplements only.

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calcium carbonate, precipitated, usp, bp, ep

Appearance: White powder                   Molecular formula: CaCO3    Molecular weight: 100.09
   Product specification:                       CAS 471-34-1  EINECS 207-439-9:INS 170

Item

Index

GB1898-2007

USP35

CaCO3                            % 

98.0-100.5

98.0-100.5

Loss on drying            ≤%

2.0

2.0

Acid-insoluble substance    ≤%          

0.20

0.20

Iron                          ≤%

----

0.1

Heavy metals             ≤%

----

0.002

Lead                  ≤ppm

3

3

Arsenic                ≤ppm   

3

3

Fluoride               ≤%

0.005

0.005

Mercury               ≤ppm

1

0.5

Magnesium and alkali salts  ≤%

1.0

1.0

Barium                  ≤%

0.030

Meet the requirement

Cadmium                 ≤%

0.0002

----

Free alkali

Meet the requirement

----

   Packaging and storage: Preserve in well-closed container,25kg/paper plastic complex bag,or according to order.
   Shelf life: in conform to the specified storage conditions and packaging is complete, shelf life is 2 years.

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calcium citrate FOOD GRADE

I. Chemical Name: tricalcium dicitrate Alias: Tricalcium Citrate

Ⅱ. Molecular formula: Ca3(C6H5O7)2·4H2O

Ⅲ. Molecular Weight: 570.50

IV. Properties: white powder, smellless, slight hygroscopic.

V. Quality Standard:

Index name

GB 17203-1998

FCC

USP

Assay[Ca3(C6H5O7)2]%

98.0-100.5

97.5-100.5

97.5-100.5

Appearance

Powder/granular

Powder/granular

Powder/granular

Heavy metals (as Pb) ≤%

0.002

-

0.002

As ≤%

0.0003

-

0.0003

Loss on drying %

10-13.3

10.0-14.0

10-13.3

Fluoride ≤%

0.003

0.003

0.003

Pb (pb)%

0.0005

0.0002

0.0001

Hydrochloric acid insolubles≤%

0.2

-

0.2

Clarity of Solution

qualified

-

-

VI. Packing: PE bag lined composite plastic woven bag, Net wt 25KG.

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