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| IUPAC name : | 1,3,7-trimethylpurine-2,6-dione |
| InChI : | InChI=1/C8H10N4O2/c1-10-4-9-6-5(10)7(13)12(3)8(14)11(6)2/h4H,1-3H3 |
| InChIKey : | RYYVLZVUVIJVGH-UHFFFAOYAW |
| SMILES : | CN1C=NC2=C1C(=O)N(C(=O)N2C)C |
| cas number : | 58-08-2 |
| (EINECS) number : | 200-362-1 |
| eu annex : | 613-086-00-5 |
| beilstein number : | 0017705 |
| fema number : | 2224 |
| coe number : | 11741 |
| fl. number : | 16.016 |
| molar refractivity : | 50.38 ± 0.5 cm3 |
| parachor : | 364.5 ± 8.0 cm3 |
| index of refraction : | 1.679 ± 0.05 |
| surface tension : | 55.7 ± 7.0 dyne/cm |
| density : | 1.45 ± 0.1 g/cm3 |
| polarizability : | 19.97 ± 0.5 10-24cm3 |
| XlogP : | -0.50 |
| XlogP3 : | -0.10 |
| molecular weight : | 194.1906000 (IUPAC) |
| formula : | C8 H10 N4 O2 |
| BioActivity Analysis : | 71207 |
| NMR Predictor : | Predict |
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| export tariff code : | 2939.30.0000 |
| fda reg : | 182.1180 |
Suppliers :
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| Nanjing : | Caffeine; 3,7-Dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
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| Penta : | caffeine powder anhydrous
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| Pfaltz & Bauer : | Caffeine
99% |
| Sigma-Aldrich-SAFC : | Caffeine
FCC, Kosher |
| TCI AMERICA : | Caffeine
>98.0%(LC)(T) |
organoleptics :
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| odor strength : | none |
odor description : at 100.00 %. | odorless |
properties :
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| appearence : | white crystalline prisms |
| Food Chemicals Codex Listed : | Yes |
| melting point : | 235.00 to 237.50 °C. @ 760.00 mm Hg
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| PH number : | 6.50
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| vapor pressure : | 15.00000 mm/Hg @ 89.00 °C. |
| flash point : | > 350.00 °F. TCC ( > 176.67 °C. )
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| logP (o/w) : | -0.07 |
| shelf life : | 24.00 month(s) or longer if stored properly. |
| storage : | store in cool, dry place in tightly sealed containers, protected from heat and light. |
| storage : | refrigerate in tightly sealed containers. |
safety :
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| most important hazard(s) : | Xn - Harmful. |
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R 22 - Harmful if swallowed. R 36/37/38 - Irritating to eyes, respiratory system, and skin. S 02 - Keep out of the reach of children. S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
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| Oral Toxicity(LD50) : |
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Oral-Rat 192.00 mg/kg Journal of New Drugs. Vol. 5, Pg. 252, 1965.
intravenous-Rat 105.00 mg/kg Journal of Pharmacology and Experimental Therapeutics. Vol. 82, Pg. 89, 1944.
Intraperitoneal-Rat 240.00 mg/kg Zeitschrift fuer Ernaehrungswissenschaft. Vol. 15, Pg. 64, 1976.
Oral-Rabbit 224.00 mg/kg Zeitschrift fuer Ernaehrungswissenschaft. Vol. 15, Pg. 64, 1976.
intravenous-Rabbit 58.00 mg/kg Kiso to Rinsho. Clinical Report. Vol. 13, Pg. 791, 1979.
Oral-Mouse 127.00 mg/kg Toxicology and Applied Pharmacology. Vol. 44, Pg. 1, 1978.
intravenous-Mouse 62.00 mg/kg Toxicology Letters. Vol. 29, Pg. 25, 1985.
Intraperitoneal-Mouse 168.00 mg/kg Chemical and Pharmaceutical Bulletin. Vol. 22, Pg. 1459, 1974.
Oral-Hamster 230.00 mg/kg Toxicology and Applied Pharmacology. Vol. 44, Pg. 1, 1978.
Oral-Guineapig 230.00 mg/kg "Abdernalden's Handbuch der Biologischen Arbeitsmethoden." Vol. 4, Pg. 1335, 1935.
Oral-Bird - wild 316.00 mg/kg Archives of Environmental Contamination and Toxicology. Vol. 12, Pg. 355, 1983.
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| Dermal Toxicity(LD50) : |
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Subcutaneous-Rat 170.00 mg/kg Journal of Clinical Pharmacology and Journal of New Drugs. Vol. 7, Pg. 131, 1967.
Subcutaneous-Mouse 242.00 mg/kg Arzneimittel-Forschung. Drug Research. Vol. 6, Pg. 601, 1956.
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| Inhalation Toxicity(LC50) : |
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Not determined
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safety in use :
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| recommendation for caffeine usage levels up to : |
| | not for fragrance use.
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| recommendation for caffeine usage levels up to : |
| | 120.0000 ppm in the flavor.
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safety references :
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| EPI System : | view |
| IUCLID : | view |
| ClinicalTrials.gov : | search |
| Daily Med : | search |
| NIOSH International Chemical Safety Cards : | search |
| NLM Hazardous Substances Data Bank : | search |
| Chemical Carcinogenesis Research Information System : | Search |
| AIDS Citations : | Search |
| Cancer Citations : | Search |
| Toxicology Citations : | Search |
| Carcinogenic Potency Database : | Search |
| EPA GENetic TOXicology : | Search |
| Env. Mutagen Info. Center : | Search |
| NLM Developmental and Reproductive Toxicity : | Search |
| National Toxicology Program : | Search |
| Canada Domestic Sub. List : | Yes |
| EPA Chem. Sub. Inventory : | Yes |
| WISER : | UN 1544 |
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| WGK Germany : | 1 |
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| | 1,3,7-trimethylpurine-2,6-dione
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| (EINECS) number : | 200-362-1 |
| RTECS : | 58-08-2 |
| chemidplus : | 000058082 |
| EPA/NOAA CAMEO : | hazardous materials |
| EPA Substance Registry Services : | 58-08-2 |
| dtp/nci : | 5036 |
references :
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| | 1,3,7-trimethylpurine-2,6-dione
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| fl. number : | 16.016 |
| NIST Chemistry WebBook : | 2438956119 |
| pubchem : | 148854 |
Cosmetics :
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| Cosmetic uses : |
masking agents
skin conditioning
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other :
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| CosIng : | cosmetic data |
| VCF-Online: | VCF Volatile Compounds in Food |
| Dietary Supplements Labels Database : | Search |
| FDA Everything Added to Food in the United States (EAFUS) | View |