Preservatives

• Appearance
• White or light yellow solid

• Assay
• Colorimetric & Fluorometric Assay for detecting Ascorbic Acid in various Biological Samples such as Serum etc. within 5 min

• Boiling point
• 552.750.0 C at 760 mmHg

• CAS No
• 50-81-7

• Color
• White or light yellow solid

• FEMA No
• 2410

• Melting Point
• 190-194 C

• Molecular Formula
• C6H8O6

• Other Names
• Cenolate and Vitamin C

• Physical Form
• Powder

• Purity
• 100%

• Shelf Life
• 24 Months

• Storage
• Room Temperature

• Taste
• Odorless

• Type
• Preservatives

• Vapor Density
• 2.00.1 g/cm3

• Water Solubility
• SOLUBILITY IN WATER

• Appearance
• White crystals

• Assay
• Not less than 98% and not more than 102% at the dried basis

• Boiling point
• 233C at 760 mmHg

• CAS No
• 24634-61-5

• Color
• White

• FEMA No
• 2921

• Melting Point
• 270C

• Molecular Formula
• C6H7KO2

• Other Names
• Sorbistat-K Sorbistat potassium

• Physical Form
• Powder

• Purity
• 100%

• Shelf Life
• 24 Months

• Storage
• Room Temperature

• Taste
• Sweet

• Type
• Preservatives

• Vapor Density
• 1,361 g/cm3

• Water Solubility
• Freely soluble in water; soluble in ethanol

• Appearance
• white or colorless crystalline powder

• Assay
• Not less than 99.0% on the dried basis

• Boiling point
• 249.3C at 760 mmHg

• CAS No
• 532-32-1

• Color
• WHITE

• FEMA No
• 3025

• Melting Point
• >300 C(lit.)

• Molecular Formula
• C7H5NaO2

• Other Names
• enzoic acid, sodium salt, Antimol, Benzoan sodny, Benzoate of soda, Benzoate sodium, Benzoesaeure (na-salz), Natrium benzoicum, and Sobenate

• Physical Form
• Powder

• Purity
• 100%

• Storage
• Room Temperature

• Type
• Preservatives

• Vapor Density
• 1,44 g/cm3

• Water Solubility
• soluble in water because it dissolves in water very well

• Appearance
• white to light tan crystalline solid

• Assay
• Not less than 99.0%

• Boiling point
• 291.420.0 C at 760 mmHg

• CAS No
• 1948-33-0

• Color
• WHITE

• FEMA No
• 2183

• Melting Point
• 127-129 C(lit.)

• Molecular Formula
• C10H14O2

• Other Names
• Tertiary Butylhydroquinone, Tert-Butylhydroquinone

• Physical Form
• Powder

• Purity
• 100%

• Storage
• Room Temperature

• Type
• Preservatives

• Vapor Density
• 1.10.1 g/cm3

• Water Solubility
• Solubility in water. Slightly soluble

• Appearance
• White crystals

• Assay
• Not less than 98% and not more than 102% at the dried basis

• Boiling point
• 233C at 760 mmHg

• CAS No
• 24634-61-5

• Color
• white

• FEMA No
• 2921

• Melting Point
• 270 C

• Molecular Formula
• C6H7KO2

• Other Names
• Sorbistat-K Sorbistat potassium

• Physical Form
• Powder

• Purity
• 100%

• Storage
• Room Temperature

• Type
• Preservatives

• Vapor Density
• 1,361 g/cm3

• Water Solubility
• Freely soluble in water; soluble in ethanol

• Appearance
• White crystalline solid

• Assay
• Not less than 98.0 % and not more than 100.5 % of C6H10CaO4 calculated on an anhydrous basis. Contains 78.0 % propionic acid

• Boiling point
• 141.7C at 760 mmHg

• CAS No
• 4075-81-4

• Color
• WHITE

• FEMA No
• 3025

• Melting Point
• 300 C

• Molecular Formula
• C6H10CaO4

• Other Names
• Calcium dipropionate Calcium propanoate

• Physical Form
• Powder

• Purity
• 100%

• Storage
• Room Temperature

• Type
• Preservatives

• Vapor Density
• ~4 g/cm3

• Water Solubility
• slightly soluble in methanol, ethanol insoluble in acetone, benzene

• Appearance
• White Power

• Assay
• Not less than 95.0% calculated on the dried basis

• Boiling point
• 952.265.0 C at 760 mmHg

• CAS No
• 7681-93-8

• Color
• WHITE

• FEMA No
• 665.73

• Melting Point
• 2000C

• Molecular Formula
• C33H47NO13

• Other Names
• pimaricin, myprozine, tennecetin

• Physical Form
• Powder

• Purity
• 100%

• Storage
• Room Temperature

• Type
• Preservatives

• Vapor Density
• 1.40.1 g/cm3

• Water Solubility
• Natamycin has a very low solubility in water

• Appearance
• WHITE CRYSTALLINE SOLID

• Assay
• 50%

• Boiling point
• 294.3C at 760 mmHg

• CAS No
• 35285-69-9

• Color
• WHITE

• FEMA No
• 2951

• Melting Point
• 96-97C

• Molecular Formula
• C10H11NaO3

• Physical Form
• Powder

• Purity
• 100%

• Storage
• Room Temperature

• Type
• Preservatives

• Vapor Density
• 1.0630 g/cm3

• Water Solubility
• soluble in water, sparingly soluble in alcohol, and partially in soluble in methylene chloride

• Appearance
• white crystalline powder

• Assay
• Not less than 99.5 % and not more than 101% on the anhydrous basis

• Boiling point
• 56 C760 mm Hg(lit.)

• CAS No
• 5949-29-1

• Color
• white

• FEMA No
• 2306

• Melting Point
• 135-152 C

• Molecular Formula
• C6H10O8

• Physical Form
• Powder

• Purity
• 100%

• Storage
• Room Temperature

• Type
• Preservatives

• Vapor Density
• 1.54

• Water Solubility
• It is efflorescent in dry air, very soluble in water, freely soluble in ethanol (96 %) and sparingly soluble in ether

• Appearance
• White crystalline powder

• Assay
• Not less than 90%

• CAS No
• 16731-55-8

• Color
• WHITE

• FEMA No
• 2607

• Melting Point
• 190C

• Molecular Formula
• K2O5S2

• Other Names
• Potassium disulfite, potassium pentaoxodisulfate, potassium pyrosulfite

• Physical Form
• Powder

• Purity
• 100%

• Storage
• Room Temperature

• Type
• Preservatives

• Vapor Density
• 2.34 g/cm3

• Water Solubility
• Insoluble in ethanol

• Appearance
• White crystalline powder

• Assay
• Not less than 99.0% calculated on the anhydrous basis

• Boiling point
• 233.09.0 C at 760 mmHg

• CAS No
• 110-44-1

• Color
• WHITE

• FEMA No
• 3921

• Melting Point
• 132-135 C(lit.)

• Molecular Formula
• C6H8O2

• Physical Form
• Powder

• Purity
• 100%

• Storage
• Room Temperature

• Type
• Preservatives

• Vapor Density
• 1.00.1 g/cm3

• Water Solubility
• solubility of sorbic acid in water is low (.16 g/100 ml) and it increases with temperature

• Appearance
• white or off-white powder

• Assay
• Not less than 98.0% of on the dried basis

• Boiling point
• 227.6C at 760 mmHg

• CAS No
• 814-80-2

• Color
• WHITE POWDER

• Melting Point
• 240 C

• Molecular Formula
• C6H10CaO6

• Other Names
• calcium 2-hydroxypropanoate Calphosan Conclyte

• Physical Form
• Powder

• Purity
• 100%

• Storage
• Room Temperature

• Type
• Preservatives

• Vapor Density
• 1.49 g/cm

• Water Solubility
• very soluble in methanol, insoluble in ethanol

• Appearance
• Crystalline white solid

• Assay
• Not less than 99.5 % and not more than 101% on the anhydrous basis

• Boiling point
• 309.642.0 C at 760 mmHg

• CAS No
• 77-92-9

• Color
• WHITE

• FEMA No
• 2306

• Melting Point
• 153-159 C(lit.)

• Molecular Formula
• C6H8O7

• Physical Form
• Powder

• Purity
• 100%

• Storage
• Room Temperature

• Type
• Preservatives

• Vapor Density
• 1.80.1 g/cm3

• Water Solubility
• Very soluble in ethanol; soluble in ether, ethyl acetate; insoluble in benzene, chloroform

• Appearance
• white powder

• Assay
• Not less than 900 IU of nisin per milligram and not less than 50%

• Boiling point
• 2967

• CAS No
• 1414-45-5

• Color
• WHITE

• FEMA No
• 3107

• Molecular Formula
• C143H230N42O37S7

• Physical Form
• Powder

• Purity
• 100%

• Storage
• Room Temperature

• Type
• Preservatives

• Vapor Density
• 1.402 g/mL

• Water Solubility
• Soluble in water and insoluble in non-polar solvents

• Appearance
• odorless crystalline powder

• Assay
• Not less than 97% and not more than the equivalent of 102% calculated on

• Boiling point
• 614.2C at 760 mmHg

• CAS No
• 62-33-9

• Color
• WHITE

• Melting Point
• 240-241 (dec)

• Molecular Formula
• C10H12CaN2Na2O8

• Physical Form
• Powder

• Purity
• 100%

• Storage
• Room Temperature

• Type
• Preservatives

• Vapor Density
• 0.860 g cm3 (at 20 C)

• Water Solubility
• soluble in water at room temperature up to 1.2 M