caffeine
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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
 
 
export tariff code :2939.30.0000
fda reg :182.1180

Suppliers :
Nanjing :Caffeine; 3,7-Dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
Penta :caffeine powder anhydrous
Pfaltz & Bauer :Caffeine
99%
Sigma-Aldrich-SAFC :Caffeine
FCC, Kosher
TCI AMERICA :Caffeine
>98.0%(LC)(T)

organoleptics :
odor strength :none
odor description :
at 100.00 %.  
odorless

properties :
appearence :white crystalline prisms
Food Chemicals Codex Listed :Yes
melting point : 235.00 to 237.50 °C. @ 760.00 mm Hg
PH number :6.50
vapor pressure :15.00000 mm/Hg @ 89.00 °C.
flash point :> 350.00  °F.  TCC  ( > 176.67 °C. )
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 :
most important hazard(s) :Xn - Harmful.
  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.
Oral Toxicity(LD50) :
  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.

Dermal Toxicity(LD50) :
  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.

Inhalation Toxicity(LC50) :
  Not determined
 

safety in use :
 
recommendation for caffeine usage levels up to :
 not for fragrance use.
recommendation for caffeine usage levels up to :
  120.0000 ppm in the flavor.

safety references :
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
 
WGK Germany :1
 
 
 
 1,3,7-trimethylpurine-2,6-dione
(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 :
 1,3,7-trimethylpurine-2,6-dione
fl. number :16.016
NIST Chemistry WebBook :2438956119
pubchem :148854

Cosmetics :
Cosmetic uses : masking agents
skin conditioning

other :
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
synonyms :
 coffeine
 guaranine
 methyl theobromine
 theine
1,3,7-trimethyl xanthine
1,3,7-trimethyl-2,6-dioxopurine
1,3,7-trimethylpurine-2,6-dione

soluble in :
 acetone, 1 gram in 50 ml acetone
 alcohol, 1 gram in 22 ml alcohol of 60%
 water, 1 gram in 46 ml water
 water, 45.5 grams in 100 ml water at 65C
 water, 21600 mg/L @ 25C

(odor and/or flavor) used in :
 skin conditioning

natural occurrence in :
coffee green coffee
guarana
kola
mate
tea green tea



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