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Mubychem Group, established in 1976, is the pioneer manufacturer of Zinc Chloride, Ammonium Chloride, Calcium Chloride, Potassium Chloride, Sodium Acetate, Sodium Thiosulphate, Citric Acid, Pharmaceutical, Fragrance & Flavor chemicals in India. Mubychem Group has several manufacturing facilities spread across Western India). |
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Citric Acid BP, Citric Acid USP.. Citric Acid Manufacturers
Monohydrate CAS No.:5949-29-1, Molecular Weight: 210.14,
Chemical Formula: C6H8O7.H2O
Anhydrous CAS No.:77-92-9, Molecular Weight: 192.13, Chemical Formula:
C6H8O7
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Citric Acid MSDS
Citric Acid
Anhydrous & Monohydrate
IP BP Ph. Eur. USP ACS AR LR FCC Food Grades
Citric Acid Monohydrate BP
C6H8O7,H2Oıı210.1ıı5949-29-1
Citric Acid BP MonohydrateDEFINITION
2-Hydroxypropane-1,2,3-tricarboxylic acid monohydrate.
Content
99.5 per cent to 100.5 per cent
(anhydrous substance).
CHARACTERS
Appearance
White or almost white, crystalline
powder, colourless crystals or granules, efflorescent.
Solubility
Very soluble in water, freely
soluble in ethanol (96 per cent).
IDENTIFICATION
First identification B,
E.
Second identification A,
C, D, E.
A. Dissolve 1 g in 10 ml of water. The solution is strongly acidic.
B. Infrared absorption
spectrophotometry.
C. Add about 5 mg to a mixture of
1 ml of acetic anhydride and 3 ml of pyridine. A red colour
develops.
D. Dissolve 0.5 g in 5 ml of water, neutralize using 1 M sodium hydroxide
(about 7 ml), add 10 ml
of calcium chloride solution R and heat to boiling. A white precipitate
is formed.
E. Water (see Tests).
Appearance of solution
The solution is clear and not more intensely coloured than reference.
Dissolve 2.0 g in water and dilute to 10 ml with the same solvent.
Readily carbonizable substances
To 1.0 g in a cleaned test tube add 10 ml of sulphuric acid and immediately heat the mixture in a water-bath at 90 ± 1 °C for 60 min. Cool rapidly immediately afterwards. The solution is not more intensely coloured than a mixture of 1 ml of red primary solution and 9 ml of yellow primary solution.
Oxalic acid
Maximum 360 ppm, calculated as anhydrous oxalic acid.
Sulphates
Maximum 150 ppm.
Aluminium
Maximum 0.2 ppm, if intended for use in the manufacture of dialysis solutions.
Heavy metals
Maximum 10 ppm.
Water
7.5 per cent to 9.0 per cent, determined on 0.500 g.
Sulphated ash
Maximum 0.1 per cent, determined on 1.0 g.
Bacterial endotoxins
Less than 0.5 IU/mg, if intended for use in the manufacture of parenteral dosage forms without a further appropriate procedure for the removal of bacterial endotoxins.
Citric Acid Monohydrate USP
Citric Acid USP MonohydrateC6H8O7·H2O 210.14
1,2,3-Propanetricarboxylic acid, 2-hydroxy-, monohydrate.
Citric Acid Monohydrate contains one molecule of water of hydration. It contains not less than 99.5 percent and not more than 100.5 percent of C6H8O7, calculated on the anhydrous basis.
Labeling— Where it is
intended for use in dialysis solutions, it is so labeled. Where Citric Acid
Monohydrate must be subjected to further processing during the preparation of
injectable dosage forms to ensure acceptable levels of bacterial endotoxins, it
is so labeled. Where Citric Acid Monohydrate is sterile, it is so labeled.
Identification, Infrared
Absorption 197K— Dry the substance to be examined at 105 for 2
hours.
Bacterial endotoxins— The level of bacterial endotoxins is such that the requirement in the
relevant dosage form monograph (s) in which Citric Acid Monohydrate is used can
be met.
Sterility— Where
the label states that Citric Acid Monohydrate is sterile, it meets the
requirements for Sterility, in the relevant dosage form monograph (s) in
which Citric Acid Monohydrate is used.
Water: between 7.5% and
9.0%.
Residue on ignition: not
more than 0.1%, determined on 1.0 g.
Readily carbonizable
substances— To pass the test
Sulfate— 0.015%.
Heavy metals: 0.001%.
Limit of oxalic acid— 0.036%.
Citric Acid FCC
C6H8O7 Formula wt, anhydrous
192.13
C6H8O7·H2O Formula wt, monohydrate
210.14
INS: 330 CAS: anhydrous [77-92-9]
CAS: monohydrate [5949-29-1]
Citric Acid occurs as colorless, translucent crystals or as a white, granular to fine, crystalline powder. It is anhydrous or contains one molecule of water of hydration. The hydrous form is efflorescent in dry air. It is odorless and has a strongly acid taste. One gram is soluble in about 0.5 mL of water, in about 2 mL of alcohol, and in about 30 mL of ether.
Function: Sequestrant; dispersing agent; acidifier; flavoring agent.
REQUIREMENTS
Labeling: Indicate whether
it is anhydrous or hydrous.
Identification: A 1:10
aqueous solution gives positive tests for Citrate.
Assay: Not less than 99.5%
and not more than 100.5% of C6H8O7, calculated on the anhydrous basis.
Lead: Not more than 0.5
mg/kg.
Oxalate: Passes test.
Readily Carbonizable: Substances
Passes test.
Residue on Ignition: Not
more than 0.05%.
Tridodecylamine
(for
solvent-extracted Citric Acid only)
Not more than 0.1 mg/kg.
Water: Anhydrous: Not
more than 0.5%; Monohydrate: Not more than 8.8%.
Citric Acid ACS
Citric Acid, Anhydrous, and Citric Acid, Monohydrate
2-Hydroxy-1,2,3-propanetricarboxylic Acid
HOCOCH2C(OH)(COOH)CH2COOH; Formula
Wt. 192.13
HOCOCH2C(OH)(COOH)CH2COOH
.
H2O;
Formula Wt. 210.14
CAS Number
77-92-9 (Anhydrous); 5949-29-1 (Monohydrate)
| Assay |
99.5% C6H8O7 99.0-102.0% C6H8O7. H2O
|
MAXIMUM ALLOWABLE
| Insoluble matter |
0.005%
|
| Residue after ignition |
0.02%
|
| Chloride (Cl) | 0.001% |
| Oxalate (C2O4) | Passes test |
| Phosphate (PO4) | 0.001% |
| Sulfate (SO4) | 0.002% |
| Iron (Fe) | 3 ppm |
| Lead (Pb) | 2 ppm |
| Substances carbonizable by hot sulfuric acid | Passes test |
Citric Acid Manufacturers:
MUBY CHEMICALS
S-8, SARIFA MANSION, 2ND FLANK ROAD,
CHINCHBUNDER, MUMBAI 400009, INDIA
TEL: (OFFICE) 91-22-23770100,
23726950, 23774610, 23723564. FAX: 91-22-23728264
e-mail:
info@mubychem.com
Cell Call
to Anmol: +91-9821870100
USA & Canadian Customers may Call
773-829-5811
Copyright
and Usual
Disclaimer
is Applicable.
Last
updated: 08 December, 2011.
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