Citric Acid

Alternate Text

Molecular formula: C6H8O7;C6H8O7.H2O

Molecular weight: 192.1;210.14

CAS No.: 77-92-9;5949-29-1

Property: AnhydrousProperty: colorless or white crystalline powder. deliquescent in humid air and efflorescent in dry air. MonohydrateProperty: colourless crystals or white crystalline granules (technical grade with light yellow colour), odorless, taste intensely tart flavour, readily soluble in water and ethanol.

Usage:

it is used as sour agent and preservative in food industry, preparation of citrate in pharmaceutical industry it also can be used as detergent in ordinary industry.

Packing:It is packed with plastic bag as liner, two layers, kraft-bags, as the intermediate layer and a chemical fibre woven bag as the outer layer the net weight each bag is 25kg.

Specification:

Item

Anhydrous

Monohydrate

According to

BP98/BP2011/BP2014

BP98/BP2011/BP2014

Solubility

Conforming with test

Conforming with test

clarity and color of solution

20% water solution clarity

20% water solutionclarity

Assay

99.5%-101%

99.5%-101%

Water

0.5% Max

7.5%-9%

Sulfate

150ppm Max

150ppm Max

Readily carbonisable substances

Standard colour

 Standard colour

Barium

Conforming with test

Conforming with test

Calcium

200ppm Max

200ppm Max

Heavy metals

5ppm Max

5ppm Max

Lead(PB)

0.5ppm Max

0.5ppm Max

Iron

50ppm Max

50ppm Max

Chloride

50ppm Max

50ppm Max

Oxalate

100ppm Max

100ppm Max

Sulfated ash

0.05% Max

0.05% Max

Tridodecylamine

0.1ppm Max

0.1ppm Max

Arsenic

1ppm Max

1ppm Max

Arganic volatile impurities

Conforming with test

Conforming with test

Bacterial endotoxins

0.5 I.U./mg Max

0.5 I.U./mg Max

Mercury

1ppm Max

1ppm Max

Aluminum

0.2ppm Max

0.2ppm Max

      

SHANGHAI VERDI CHEMICAL CO

Is a specialized manufacturing and operating chemical enterprise Our company own variety of export products which are widely used in chemical, pharmaceuticals, textile printing & dyeing, leather processing, fertilizer, water treatment, construction industry, food &feed additives and other areas. Oxalic acid, formic acid, sodium formate, calcium formate, sodium sulphide, series of humic acid, sodium hydrosulphide, ammonium chloride, sodium thiosulfate, and calcium nitrite are partial strong products. Among them, STPP occupy largest export volume and export to more than 20 countries and regions in America , Asia, Africa and other continents, winning customers praise with its superior quality , favorable price and excellent service. For over 10 years, stick to business philosophy of" you should give your customer what they really need not what you think they need ", Verdi has built long term & stable trade relationship with more than 45 countries and regions in the world. sincerely hope to cooperate with more clients in the world and seek common developments.