Theophylline Anhydrous, USP
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Product Description
Product
Theophylline Anhydrous, USP
CAS
58-55-9
Formula
C7H8N4O2
Synonym
1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl mo; 1H-Purine-2,6-dione, 3,9-dihydro-1,3-dimethyl-; 1H-Purine-2,6-dione,
3,7-dihydro-1,3-dimethyl-
Typical Product Specifications
Slightly Soluble
in ether
Sensoric
White Crystaline Powder
Melting Range
270 °C - 274 °C
Appearance of Solution
Clear, colorless
Related Substances
NMT 0.5%
Heavy Metals; USP <231>
NMT 20 ppm
Organic Volatile Impurities
Meets the requirements
Loss on Drying
NMT 0.5%
Residue on ignition; USP <281>
NMT 0.15 %
Assay
97.0% - 102.0 %
Melting Point
268 c
Odor
odorless
Molecular weight
180.17
Solubility
hot water, alkali hydroxides, ammonia, dil. hcl, hno3
Notes
Use: SKIN CONDITIONING, TONIC
Class
Theophylline Anhydrous, USP
Product Description
Product
Theophylline Anhydrous, USP
CAS
58-55-9
Formula
C7H8N4O2
Synonym
1H-Purine-2,6-dione, 3,7-dihydro-1,3-dimethyl mo; 1H-Purine-2,6-dione, 3,9-dihydro-1,3-dimethyl-; 1H-Purine-2,6-dione,
3,7-dihydro-1,3-dimethyl-
Typical Product Specifications
Slightly Soluble
in ether
Sensoric
White Crystaline Powder
Melting Range
270 °C - 274 °C
Appearance of Solution
Clear, colorless
Related Substances
NMT 0.5%
Heavy Metals; USP <231>
NMT 20 ppm
Organic Volatile Impurities
Meets the requirements
Loss on Drying
NMT 0.5%
Residue on ignition; USP <281>
NMT 0.15 %
Assay
97.0% - 102.0 %
Melting Point
268 c
Odor
odorless
Molecular weight
180.17
Solubility
hot water, alkali hydroxides, ammonia, dil. hcl, hno3
Notes
Use: SKIN CONDITIONING, TONIC
Class
