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Preservatives

Calcium propionate
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Calcium propionate
014
Assay : Not less than 98.0 % and not more than 100.5 % of C6H10CaO4 calculated on an anhydrous basis. Contains 78.0 % propionic acid
Vapor Density : ~4 g/cm3
Molecular Formula : C6H10CaO4
Water Solubility : slightly soluble in methanol, ethanol insoluble in acetone, benzene
Physical Form : Powder
Supply Ability : Ready Stock per day
Propylparaben Sodium (PPS)
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Propylparaben Sodium (PPS)
012
Molecular Formula : C10H11NaO3
Vapor Density : 1.0630 g/cm3
Boiling point : 294.3ºC at 760 mmHg
Melting Point : 96-97ºC
Appearance : WHITE CRYSTALLINE SOLID
Supply Ability : Ready Stock per day
Methylparaben sodium (MPS)
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Methylparaben sodium (MPS)
013
Molecular Formula : C10H12O3
Vapor Density : 1.0630 g/cm3
Melting Point : 96 to 99 °C
Appearance : White Powder
Physical Form : Powder
Supply Ability : Ready Stock per day
Physical Form : Powder
Water Solubility : Soluble in water and insoluble in non-polar solvents
Assay : Not less than 900 IU of nisin per milligram and not less than 50%
Appearance : white powder
Molecular Formula : C143H230N42O37S7
Supply Ability : Ready Stock per day
Natamycin / Pimaricin
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Natamycin / Pimaricin
016
Molecular Formula : C33H47NO13
Vapor Density : 1.4±0.1 g/cm3
Assay : Not less than 95.0% calculated on the dried basis
Boiling point : 952.2±65.0 °C at 760 mmHg
Melting Point : 2000ºC
Supply Ability : Ready Stock per day
Citric Acid Monohydrate
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Citric Acid Monohydrate
04
Molecular Formula : C6H10O8
Melting Point : 135-152 ºC
Boiling point : 56 °C760 mm Hg(lit.)
Vapor Density : 1.54
Appearance : white crystalline powder
Supply Ability : Ready Stock per day
Citric Acid Anhydrous
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Citric Acid Anhydrous
04
Physical Form : Powder
Water Solubility : Very soluble in ethanol; soluble in ether, ethyl acetate; insoluble in benzene, chloroform
Assay : Not less than 99.5 % and not more than 101% on the anhydrous basis
Appearance : Crystalline white solid
Molecular Formula : C6H8O7
Supply Ability : Ready Stock per day
sodium metabisulphite (SMS)
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sodium metabisulphite (SMS)
017
Appearance : WHITE CRYSTALLINE POWDER
Vapor Density : 1.48 g/cm3
Melting Point : 170 °C (338 °F; 443 K) decomposition begins at 150 °C
Molecular Formula : Na2O5S2
Water Solubility : Freely soluble in water
Supply Ability : Ready Stock per day
Potassium metabisulphite (KMS)
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Potassium metabisulphite (KMS)
018
Assay : Not less than 90%
Water Solubility : Insoluble in ethanol
Physical Form : Powder
Vapor Density : 2.34 g/cm3
Melting Point : 190ºC
Supply Ability : Ready Stock per day
TBHQ Tert-Butylhydroquinone
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TBHQ Tert-Butylhydroquinone
06
Molecular Formula : C10H14O2
Vapor Density : 1.1±0.1 g/cm3
Assay : Not less than 99.0%
Appearance : white to light tan crystalline solid
Boiling point : 291.4±20.0 °C at 760 mmHg
Supply Ability : Ready Stock per day
Calcium Disodium EDTA
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Calcium Disodium EDTA
018
Assay : Not less than 97% and not more than the equivalent of 102% calculated on
Water Solubility : soluble in water at room temperature up to 1.2 M
Physical Form : Powder
Boiling point : 614.2ºC at 760 mmHg
Vapor Density : 0.860 g cm−3 (at 20 °C)
Supply Ability : Ready Stock per day
Sodium Lactate
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Sodium Lactate
03
Molecular Formula : C3H5NaO3
Vapor Density : 1.33
Assay : Not less than 95% and not more than 110% of the labelled amount
Melting Point : 163-165ºC
Boiling point : 227.6ºC at 760 mmHg
Supply Ability : Ready Stock per day
Calcium Lactate
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Calcium Lactate
04
Appearance : white or off-white powder
Melting Point : 240 °C
Vapor Density : 1.49 g/cm³
Boiling point : 227.6ºC at 760 mmHg
Molecular Formula : C6H10CaO6
Supply Ability : Ready Stock per day
Sodium Benzoate
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Sodium Benzoate
03
Vapor Density : 1,44 g/cm3
Molecular Formula : C7H5NaO2
Assay : Not less than 99.0% on the dried basis
Boiling point : 249.3ºC at 760 mmHg
Melting Point : >300 °C(lit.)
Supply Ability : Ready Stock per day
Potassium sorbate
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Potassium sorbate
011
Appearance : White crystals
Boiling point : 233ºC at 760 mmHg
Melting Point : 270 °C
Physical Form : Powder
Water Solubility : Freely soluble in water; soluble in ethanol
Supply Ability : Ready Stock per day
Sorbic Acid
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Sorbic Acid
07
Melting Point : 132-135 °C(lit.)
Boiling point : 233.0±9.0 °C at 760 mmHg
Vapor Density : 1.0±0.1 g/cm3
Molecular Formula : C6H8O2
Appearance : White crystalline powder
Supply Ability : Ready Stock per day
Ascorbic Acid
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Ascorbic Acid
010
Vapor Density : 2.0±0.1 g/cm3
Molecular Formula : C6H8O6
Assay : Colorimetric & Fluorometric Assay for detecting Ascorbic Acid in various Biological Samples such as Serum etc. within 5 min
Melting Point : 190-194 °C (dec.)
Boiling point : 552.7±50.0 °C at 760 mmHg
Supply Ability : Ready Stock per day


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